Datasets:

ArtifactAI

/

arxiv_python_research_code

like 14

pytorch-playground

pytorch-playground-master/svhn/dataset.py

import torch from torchvision import datasets, transforms from torch.utils.data import DataLoader import os def get(batch_size, data_root='/tmp/public_dataset/pytorch', train=True, val=True, **kwargs): data_root = os.path.expanduser(os.path.join(data_root, 'svhn-data')) num_workers = kwargs.setdefault('num_workers', 1) kwargs.pop('input_size', None) print("Building SVHN data loader with {} workers".format(num_workers)) def target_transform(target): return int(target) - 1 ds = [] if train: train_loader = torch.utils.data.DataLoader( datasets.SVHN( root=data_root, split='train', download=True, transform=transforms.Compose([ transforms.ToTensor(), transforms.Normalize((0.5, 0.5, 0.5), (0.5, 0.5, 0.5)), ]), target_transform=target_transform, ), batch_size=batch_size, shuffle=True, **kwargs) ds.append(train_loader) if val: test_loader = torch.utils.data.DataLoader( datasets.SVHN( root=data_root, split='test', download=True, transform=transforms.Compose([ transforms.ToTensor(), transforms.Normalize((0.5, 0.5, 0.5), (0.5, 0.5, 0.5)), ]), target_transform=target_transform ), batch_size=batch_size, shuffle=False, **kwargs) ds.append(test_loader) ds = ds[0] if len(ds) == 1 else ds return ds

py

pytorch-playground

pytorch-playground-master/svhn/__init__.py

py

pytorch-playground

pytorch-playground-master/svhn/train.py

import argparse import os import time from utee import misc import torch import torch.nn.functional as F import torch.optim as optim from torch.autograd import Variable import dataset import model from IPython import embed parser = argparse.ArgumentParser(description='PyTorch SVHN Example') parser.add_argument('--channel', type=int, default=32, help='first conv channel (default: 32)') parser.add_argument('--wd', type=float, default=0.001, help='weight decay') parser.add_argument('--batch_size', type=int, default=200, help='input batch size for training (default: 64)') parser.add_argument('--epochs', type=int, default=150, help='number of epochs to train (default: 10)') parser.add_argument('--lr', type=float, default=0.001, help='learning rate (default: 1e-3)') parser.add_argument('--gpu', default=None, help='index of gpus to use') parser.add_argument('--ngpu', type=int, default=2, help='number of gpus to use') parser.add_argument('--seed', type=int, default=117, help='random seed (default: 1)') parser.add_argument('--log_interval', type=int, default=100, help='how many batches to wait before logging training status') parser.add_argument('--test_interval', type=int, default=5, help='how many epochs to wait before another test') parser.add_argument('--logdir', default='log/default', help='folder to save to the log') parser.add_argument('--data_root', default='/tmp/public_dataset/pytorch/', help='folder to save the model') parser.add_argument('--decreasing_lr', default='80,120', help='decreasing strategy') args = parser.parse_args() args.logdir = os.path.join(os.path.dirname(__file__), args.logdir) misc.logger.init(args.logdir, 'train_log') print = misc.logger.info # select gpu args.gpu = misc.auto_select_gpu(utility_bound=0, num_gpu=args.ngpu, selected_gpus=args.gpu) args.ngpu = len(args.gpu) # logger misc.ensure_dir(args.logdir) print("=================FLAGS==================") for k, v in args.__dict__.items(): print('{}: {}'.format(k, v)) print("========================================") # seed args.cuda = torch.cuda.is_available() torch.manual_seed(args.seed) if args.cuda: torch.cuda.manual_seed(args.seed) # data loader and model train_loader, test_loader = dataset.get(batch_size=args.batch_size, data_root=args.data_root, num_workers=1) model = model.svhn(n_channel=args.channel) model = torch.nn.DataParallel(model, device_ids= range(args.ngpu)) if args.cuda: model.cuda() # optimizer optimizer = optim.Adam(model.parameters(), lr=args.lr, weight_decay=args.wd) decreasing_lr = list(map(int, args.decreasing_lr.split(','))) print('decreasing_lr: ' + str(decreasing_lr)) best_acc, old_file = 0, None t_begin = time.time() try: for epoch in range(args.epochs): model.train() if epoch in decreasing_lr: optimizer.param_groups[0]['lr'] *= 0.1 for batch_idx, (data, target) in enumerate(train_loader): indx_target = target.clone() if args.cuda: data, target = data.cuda(), target.cuda() data, target = Variable(data), Variable(target) optimizer.zero_grad() output = model(data) loss = F.cross_entropy(output, target) loss.backward() optimizer.step() if batch_idx % args.log_interval == 0 and batch_idx > 0: pred = output.data.max(1)[1] # get the index of the max log-probability correct = pred.cpu().eq(indx_target).sum() acc = correct * 1.0 / len(data) print('Train Epoch: {} [{}/{}] Loss: {:.6f} Acc: {:.4f} lr: {:.2e}'.format( epoch, batch_idx * len(data), len(train_loader.dataset), loss.data[0], acc, optimizer.param_groups[0]['lr'])) elapse_time = time.time() - t_begin speed_epoch = elapse_time / (epoch + 1) speed_batch = speed_epoch / len(train_loader) eta = speed_epoch * args.epochs - elapse_time print("Elapsed {:.2f}s, {:.2f} s/epoch, {:.2f} s/batch, ets {:.2f}s".format( elapse_time, speed_epoch, speed_batch, eta)) misc.model_snapshot(model, os.path.join(args.logdir, 'latest.pth')) if epoch % args.test_interval == 0: model.eval() test_loss = 0 correct = 0 for data, target in test_loader: indx_target = target.clone() if args.cuda: data, target = data.cuda(), target.cuda().long().squeeze() data, target = Variable(data, volatile=True), Variable(target) output = model(data) test_loss += F.cross_entropy(output, target).data[0] pred = output.data.max(1)[1] # get the index of the max log-probability correct += pred.cpu().eq(indx_target).sum() test_loss = test_loss / len(test_loader) # average over number of mini-batch acc = 100. * correct / len(test_loader.dataset) print('\tTest set: Average loss: {:.4f}, Accuracy: {}/{} ({:.0f}%)'.format( test_loss, correct, len(test_loader.dataset), acc)) if acc > best_acc: new_file = os.path.join(args.logdir, 'best-{}.pth'.format(epoch)) misc.model_snapshot(model, new_file, old_file=old_file, verbose=True) best_acc = acc old_file = new_file except Exception as e: import traceback traceback.print_exc() finally: print("Total Elapse: {:.2f}, Best Result: {:.3f}%".format(time.time()-t_begin, best_acc))

py

pytorch-playground

pytorch-playground-master/stl10/model.py

import torch import torch.nn as nn import torch.utils.model_zoo as model_zoo import os from utee import misc from collections import OrderedDict print = misc.logger.info model_urls = { 'stl10': 'http://ml.cs.tsinghua.edu.cn/~chenxi/pytorch-models/stl10-866321e9.pth', } class SVHN(nn.Module): def __init__(self, features, n_channel, num_classes): super(SVHN, self).__init__() assert isinstance(features, nn.Sequential), type(features) self.features = features self.classifier = nn.Sequential( nn.Linear(n_channel, num_classes) ) print(self.features) print(self.classifier) def forward(self, x): x = self.features(x) x = x.view(x.size(0), -1) x = self.classifier(x) return x def make_layers(cfg, batch_norm=False): layers = [] in_channels = 3 for i, v in enumerate(cfg): if v == 'M': layers += [nn.MaxPool2d(kernel_size=2, stride=2)] else: padding = v[1] if isinstance(v, tuple) else 1 out_channels = v[0] if isinstance(v, tuple) else v conv2d = nn.Conv2d(in_channels, out_channels, kernel_size=3, padding=padding) if batch_norm: layers += [conv2d, nn.BatchNorm2d(out_channels, affine=False), nn.ReLU()] else: layers += [conv2d, nn.ReLU()] in_channels = out_channels return nn.Sequential(*layers) def stl10(n_channel, pretrained=None): cfg = [ n_channel, 'M', 2*n_channel, 'M', 4*n_channel, 'M', 4*n_channel, 'M', (8*n_channel, 0), (8*n_channel, 0), 'M' ] layers = make_layers(cfg, batch_norm=True) model = SVHN(layers, n_channel=8*n_channel, num_classes=10) if pretrained is not None: m = model_zoo.load_url(model_urls['stl10']) state_dict = m.state_dict() if isinstance(m, nn.Module) else m assert isinstance(state_dict, (dict, OrderedDict)), type(state_dict) model.load_state_dict(state_dict) return model

py

pytorch-playground

pytorch-playground-master/stl10/dataset.py

import torch from torchvision import datasets, transforms from torch.utils.data import DataLoader from IPython import embed import os def get(batch_size, data_root='/mnt/local0/public_dataset/pytorch/', train=True, val=True, **kwargs): data_root = os.path.expanduser(os.path.join(data_root, 'stl10-data')) num_workers = kwargs.setdefault('num_workers', 1) kwargs.pop('input_size', None) print("Building STL10 data loader with {} workers".format(num_workers)) ds = [] if train: train_loader = torch.utils.data.DataLoader( datasets.STL10( root=data_root, split='train', download=True, transform=transforms.Compose([ transforms.Pad(4), transforms.RandomCrop(96), transforms.RandomHorizontalFlip(), transforms.ToTensor(), transforms.Normalize((0.5, 0.5, 0.5), (0.5, 0.5, 0.5)), ])), batch_size=batch_size, shuffle=True, **kwargs) ds.append(train_loader) if val: test_loader = torch.utils.data.DataLoader( datasets.STL10( root=data_root, split='test', download=True, transform=transforms.Compose([ transforms.ToTensor(), transforms.Normalize((0.5, 0.5, 0.5), (0.5, 0.5, 0.5)), ])), batch_size=batch_size, shuffle=False, **kwargs) ds.append(test_loader) ds = ds[0] if len(ds) == 1 else ds return ds if __name__ == '__main__': train_ds, test_ds = get(200, num_workers=1) for data, target in train_ds: print("~~")

py

pytorch-playground

pytorch-playground-master/stl10/__init__.py

py

pytorch-playground

pytorch-playground-master/stl10/train.py

import argparse import os import time from utee import misc import torch import torch.nn.functional as F import torch.optim as optim from torch.autograd import Variable import dataset import model from IPython import embed parser = argparse.ArgumentParser(description='PyTorch SVHN Example') parser.add_argument('--channel', type=int, default=32, help='first conv channel (default: 32)') parser.add_argument('--wd', type=float, default=0.00, help='weight decay') parser.add_argument('--batch_size', type=int, default=200, help='input batch size for training (default: 64)') parser.add_argument('--epochs', type=int, default=150, help='number of epochs to train (default: 10)') parser.add_argument('--lr', type=float, default=0.001, help='learning rate (default: 1e-3)') parser.add_argument('--gpu', default=None, help='index of gpus to use') parser.add_argument('--ngpu', type=int, default=2, help='number of gpus to use') parser.add_argument('--seed', type=int, default=117, help='random seed (default: 1)') parser.add_argument('--log_interval', type=int, default=20, help='how many batches to wait before logging training status') parser.add_argument('--test_interval', type=int, default=5, help='how many epochs to wait before another test') parser.add_argument('--logdir', default='log/default', help='folder to save to the log') parser.add_argument('--decreasing_lr', default='80,120', help='decreasing strategy') args = parser.parse_args() args.logdir = os.path.join(os.path.dirname(__file__), args.logdir) misc.logger.init(args.logdir, 'train_log') print = misc.logger.info # select gpu args.gpu = misc.auto_select_gpu(utility_bound=0, num_gpu=args.ngpu, selected_gpus=args.gpu) args.ngpu = len(args.gpu) # logger misc.ensure_dir(args.logdir) print("=================FLAGS==================") for k, v in args.__dict__.items(): print('{}: {}'.format(k, v)) print("========================================") # seed args.cuda = torch.cuda.is_available() torch.manual_seed(args.seed) if args.cuda: torch.cuda.manual_seed(args.seed) # data loader and model train_loader, test_loader = dataset.get(batch_size=args.batch_size, num_workers=1) model = model.stl10(n_channel=args.channel) model = torch.nn.DataParallel(model, device_ids= range(args.ngpu)) if args.cuda: model.cuda() # optimizer optimizer = optim.Adam(model.parameters(), lr=args.lr, weight_decay=args.wd) decreasing_lr = list(map(int, args.decreasing_lr.split(','))) print('decreasing_lr: ' + str(decreasing_lr)) best_acc, old_file = 0, None t_begin = time.time() try: # ready to go for epoch in range(args.epochs): model.train() if epoch in decreasing_lr: optimizer.param_groups[0]['lr'] *= 0.1 for batch_idx, (data, target) in enumerate(train_loader): indx_target = target.clone() if args.cuda: data, target = data.cuda(), target.cuda() data, target = Variable(data), Variable(target) optimizer.zero_grad() output = model(data) loss = F.cross_entropy(output, target) loss.backward() optimizer.step() if batch_idx % args.log_interval == 0 and batch_idx > 0: pred = output.data.max(1)[1] # get the index of the max log-probability correct = pred.cpu().eq(indx_target).sum() acc = correct * 1.0 / len(data) print('Train Epoch: {} [{}/{}] Loss: {:.6f} Acc: {:.4f} lr: {:.2e}'.format( epoch, batch_idx * len(data), len(train_loader.dataset), loss.data[0], acc, optimizer.param_groups[0]['lr'])) elapse_time = time.time() - t_begin speed_epoch = elapse_time / (epoch + 1) speed_batch = speed_epoch / len(train_loader) eta = speed_epoch * args.epochs - elapse_time print("Elapsed {:.2f}s, {:.2f} s/epoch, {:.2f} s/batch, ets {:.2f}s".format( elapse_time, speed_epoch, speed_batch, eta)) misc.model_snapshot(model, os.path.join(args.logdir, 'latest.pth')) if epoch % args.test_interval == 0: model.eval() test_loss = 0 correct = 0 for data, target in test_loader: indx_target = target.clone() if args.cuda: data, target = data.cuda(), target.cuda().long().squeeze() data, target = Variable(data, volatile=True), Variable(target) output = model(data) test_loss += F.cross_entropy(output, target).data[0] pred = output.data.max(1)[1] # get the index of the max log-probability correct += pred.cpu().eq(indx_target).sum() test_loss = test_loss / len(test_loader) # average over number of mini-batch acc = 100. * correct / len(test_loader.dataset) print('\tTest set: Average loss: {:.4f}, Accuracy: {}/{} ({:.0f}%)'.format( test_loss, correct, len(test_loader.dataset), acc)) if acc > best_acc: new_file = os.path.join(args.logdir, 'best-{}.pth'.format(epoch)) misc.model_snapshot(model, new_file, old_file=old_file, verbose=True) best_acc = acc old_file = new_file except Exception as e: import traceback traceback.print_exc() finally: print("Total Elapse: {:.2f}, Best Result: {:.3f}%".format(time.time()-t_begin, best_acc))

py

pytorch-playground

pytorch-playground-master/imagenet/inception.py

import torch import torch.nn as nn import torch.nn.functional as F from utee import misc from collections import OrderedDict __all__ = ['Inception3', 'inception_v3'] model_urls = { 'inception_v3_google': 'https://download.pytorch.org/models/inception_v3_google-1a9a5a14.pth', } def inception_v3(pretrained=False, model_root=None, **kwargs): if pretrained: if 'transform_input' not in kwargs: kwargs['transform_input'] = True model = Inception3(**kwargs) misc.load_state_dict(model, model_urls['inception_v3_google'], model_root) return model return Inception3(**kwargs) class Inception3(nn.Module): def __init__(self, num_classes=1000, aux_logits=True, transform_input=False): super(Inception3, self).__init__() self.aux_logits = aux_logits self.transform_input = transform_input self.Conv2d_1a_3x3 = BasicConv2d(3, 32, kernel_size=3, stride=2) self.Conv2d_2a_3x3 = BasicConv2d(32, 32, kernel_size=3) self.Conv2d_2b_3x3 = BasicConv2d(32, 64, kernel_size=3, padding=1) self.Conv2d_3b_1x1 = BasicConv2d(64, 80, kernel_size=1) self.Conv2d_4a_3x3 = BasicConv2d(80, 192, kernel_size=3) self.Mixed_5b = InceptionA(192, pool_features=32) self.Mixed_5c = InceptionA(256, pool_features=64) self.Mixed_5d = InceptionA(288, pool_features=64) self.Mixed_6a = InceptionB(288) self.Mixed_6b = InceptionC(768, channels_7x7=128) self.Mixed_6c = InceptionC(768, channels_7x7=160) self.Mixed_6d = InceptionC(768, channels_7x7=160) self.Mixed_6e = InceptionC(768, channels_7x7=192) if aux_logits: self.AuxLogits = InceptionAux(768, num_classes) self.Mixed_7a = InceptionD(768) self.Mixed_7b = InceptionE(1280) self.Mixed_7c = InceptionE(2048) self.group1 = nn.Sequential( OrderedDict([ ('fc', nn.Linear(2048, num_classes)) ]) ) for m in self.modules(): if isinstance(m, nn.Conv2d) or isinstance(m, nn.Linear): import scipy.stats as stats stddev = m.stddev if hasattr(m, 'stddev') else 0.1 X = stats.truncnorm(-2, 2, scale=stddev) values = torch.Tensor(X.rvs(m.weight.data.numel())) m.weight.data.copy_(values.reshape(m.weight.shape)) elif isinstance(m, nn.BatchNorm2d): m.weight.data.fill_(1) m.bias.data.zero_() def forward(self, x): if self.transform_input: x = x.clone() x[0] = x[0] * (0.229 / 0.5) + (0.485 - 0.5) / 0.5 x[1] = x[1] * (0.224 / 0.5) + (0.456 - 0.5) / 0.5 x[2] = x[2] * (0.225 / 0.5) + (0.406 - 0.5) / 0.5 # 299 x 299 x 3 x = self.Conv2d_1a_3x3(x) # 149 x 149 x 32 x = self.Conv2d_2a_3x3(x) # 147 x 147 x 32 x = self.Conv2d_2b_3x3(x) # 147 x 147 x 64 x = F.max_pool2d(x, kernel_size=3, stride=2) # 73 x 73 x 64 x = self.Conv2d_3b_1x1(x) # 73 x 73 x 80 x = self.Conv2d_4a_3x3(x) # 71 x 71 x 192 x = F.max_pool2d(x, kernel_size=3, stride=2) # 35 x 35 x 192 x = self.Mixed_5b(x) # 35 x 35 x 256 x = self.Mixed_5c(x) # 35 x 35 x 288 x = self.Mixed_5d(x) # 35 x 35 x 288 x = self.Mixed_6a(x) # 17 x 17 x 768 x = self.Mixed_6b(x) # 17 x 17 x 768 x = self.Mixed_6c(x) # 17 x 17 x 768 x = self.Mixed_6d(x) # 17 x 17 x 768 x = self.Mixed_6e(x) # 17 x 17 x 768 if self.training and self.aux_logits: aux = self.AuxLogits(x) # 17 x 17 x 768 x = self.Mixed_7a(x) # 8 x 8 x 1280 x = self.Mixed_7b(x) # 8 x 8 x 2048 x = self.Mixed_7c(x) # 8 x 8 x 2048 x = F.avg_pool2d(x, kernel_size=8) # 1 x 1 x 2048 x = F.dropout(x, training=self.training) # 1 x 1 x 2048 x = x.view(x.size(0), -1) # 2048 x = self.group1(x) # 1000 (num_classes) if self.training and self.aux_logits: return x, aux return x class InceptionA(nn.Module): def __init__(self, in_channels, pool_features): super(InceptionA, self).__init__() self.branch1x1 = BasicConv2d(in_channels, 64, kernel_size=1) self.branch5x5_1 = BasicConv2d(in_channels, 48, kernel_size=1) self.branch5x5_2 = BasicConv2d(48, 64, kernel_size=5, padding=2) self.branch3x3dbl_1 = BasicConv2d(in_channels, 64, kernel_size=1) self.branch3x3dbl_2 = BasicConv2d(64, 96, kernel_size=3, padding=1) self.branch3x3dbl_3 = BasicConv2d(96, 96, kernel_size=3, padding=1) self.branch_pool = BasicConv2d(in_channels, pool_features, kernel_size=1) def forward(self, x): branch1x1 = self.branch1x1(x) branch5x5 = self.branch5x5_1(x) branch5x5 = self.branch5x5_2(branch5x5) branch3x3dbl = self.branch3x3dbl_1(x) branch3x3dbl = self.branch3x3dbl_2(branch3x3dbl) branch3x3dbl = self.branch3x3dbl_3(branch3x3dbl) branch_pool = F.avg_pool2d(x, kernel_size=3, stride=1, padding=1) branch_pool = self.branch_pool(branch_pool) outputs = [branch1x1, branch5x5, branch3x3dbl, branch_pool] return torch.cat(outputs, 1) class InceptionB(nn.Module): def __init__(self, in_channels): super(InceptionB, self).__init__() self.branch3x3 = BasicConv2d(in_channels, 384, kernel_size=3, stride=2) self.branch3x3dbl_1 = BasicConv2d(in_channels, 64, kernel_size=1) self.branch3x3dbl_2 = BasicConv2d(64, 96, kernel_size=3, padding=1) self.branch3x3dbl_3 = BasicConv2d(96, 96, kernel_size=3, stride=2) def forward(self, x): branch3x3 = self.branch3x3(x) branch3x3dbl = self.branch3x3dbl_1(x) branch3x3dbl = self.branch3x3dbl_2(branch3x3dbl) branch3x3dbl = self.branch3x3dbl_3(branch3x3dbl) branch_pool = F.max_pool2d(x, kernel_size=3, stride=2) outputs = [branch3x3, branch3x3dbl, branch_pool] return torch.cat(outputs, 1) class InceptionC(nn.Module): def __init__(self, in_channels, channels_7x7): super(InceptionC, self).__init__() self.branch1x1 = BasicConv2d(in_channels, 192, kernel_size=1) c7 = channels_7x7 self.branch7x7_1 = BasicConv2d(in_channels, c7, kernel_size=1) self.branch7x7_2 = BasicConv2d(c7, c7, kernel_size=(1, 7), padding=(0, 3)) self.branch7x7_3 = BasicConv2d(c7, 192, kernel_size=(7, 1), padding=(3, 0)) self.branch7x7dbl_1 = BasicConv2d(in_channels, c7, kernel_size=1) self.branch7x7dbl_2 = BasicConv2d(c7, c7, kernel_size=(7, 1), padding=(3, 0)) self.branch7x7dbl_3 = BasicConv2d(c7, c7, kernel_size=(1, 7), padding=(0, 3)) self.branch7x7dbl_4 = BasicConv2d(c7, c7, kernel_size=(7, 1), padding=(3, 0)) self.branch7x7dbl_5 = BasicConv2d(c7, 192, kernel_size=(1, 7), padding=(0, 3)) self.branch_pool = BasicConv2d(in_channels, 192, kernel_size=1) def forward(self, x): branch1x1 = self.branch1x1(x) branch7x7 = self.branch7x7_1(x) branch7x7 = self.branch7x7_2(branch7x7) branch7x7 = self.branch7x7_3(branch7x7) branch7x7dbl = self.branch7x7dbl_1(x) branch7x7dbl = self.branch7x7dbl_2(branch7x7dbl) branch7x7dbl = self.branch7x7dbl_3(branch7x7dbl) branch7x7dbl = self.branch7x7dbl_4(branch7x7dbl) branch7x7dbl = self.branch7x7dbl_5(branch7x7dbl) branch_pool = F.avg_pool2d(x, kernel_size=3, stride=1, padding=1) branch_pool = self.branch_pool(branch_pool) outputs = [branch1x1, branch7x7, branch7x7dbl, branch_pool] return torch.cat(outputs, 1) class InceptionD(nn.Module): def __init__(self, in_channels): super(InceptionD, self).__init__() self.branch3x3_1 = BasicConv2d(in_channels, 192, kernel_size=1) self.branch3x3_2 = BasicConv2d(192, 320, kernel_size=3, stride=2) self.branch7x7x3_1 = BasicConv2d(in_channels, 192, kernel_size=1) self.branch7x7x3_2 = BasicConv2d(192, 192, kernel_size=(1, 7), padding=(0, 3)) self.branch7x7x3_3 = BasicConv2d(192, 192, kernel_size=(7, 1), padding=(3, 0)) self.branch7x7x3_4 = BasicConv2d(192, 192, kernel_size=3, stride=2) def forward(self, x): branch3x3 = self.branch3x3_1(x) branch3x3 = self.branch3x3_2(branch3x3) branch7x7x3 = self.branch7x7x3_1(x) branch7x7x3 = self.branch7x7x3_2(branch7x7x3) branch7x7x3 = self.branch7x7x3_3(branch7x7x3) branch7x7x3 = self.branch7x7x3_4(branch7x7x3) branch_pool = F.max_pool2d(x, kernel_size=3, stride=2) outputs = [branch3x3, branch7x7x3, branch_pool] return torch.cat(outputs, 1) class InceptionE(nn.Module): def __init__(self, in_channels): super(InceptionE, self).__init__() self.branch1x1 = BasicConv2d(in_channels, 320, kernel_size=1) self.branch3x3_1 = BasicConv2d(in_channels, 384, kernel_size=1) self.branch3x3_2a = BasicConv2d(384, 384, kernel_size=(1, 3), padding=(0, 1)) self.branch3x3_2b = BasicConv2d(384, 384, kernel_size=(3, 1), padding=(1, 0)) self.branch3x3dbl_1 = BasicConv2d(in_channels, 448, kernel_size=1) self.branch3x3dbl_2 = BasicConv2d(448, 384, kernel_size=3, padding=1) self.branch3x3dbl_3a = BasicConv2d(384, 384, kernel_size=(1, 3), padding=(0, 1)) self.branch3x3dbl_3b = BasicConv2d(384, 384, kernel_size=(3, 1), padding=(1, 0)) self.branch_pool = BasicConv2d(in_channels, 192, kernel_size=1) def forward(self, x): branch1x1 = self.branch1x1(x) branch3x3 = self.branch3x3_1(x) branch3x3 = [ self.branch3x3_2a(branch3x3), self.branch3x3_2b(branch3x3), ] branch3x3 = torch.cat(branch3x3, 1) branch3x3dbl = self.branch3x3dbl_1(x) branch3x3dbl = self.branch3x3dbl_2(branch3x3dbl) branch3x3dbl = [ self.branch3x3dbl_3a(branch3x3dbl), self.branch3x3dbl_3b(branch3x3dbl), ] branch3x3dbl = torch.cat(branch3x3dbl, 1) branch_pool = F.avg_pool2d(x, kernel_size=3, stride=1, padding=1) branch_pool = self.branch_pool(branch_pool) outputs = [branch1x1, branch3x3, branch3x3dbl, branch_pool] return torch.cat(outputs, 1) class InceptionAux(nn.Module): def __init__(self, in_channels, num_classes): super(InceptionAux, self).__init__() self.conv0 = BasicConv2d(in_channels, 128, kernel_size=1) self.conv1 = BasicConv2d(128, 768, kernel_size=5) self.conv1.stddev = 0.01 fc = nn.Linear(768, num_classes) fc.stddev = 0.001 self.group1 = nn.Sequential( OrderedDict([ ('fc', fc) ]) ) def forward(self, x): # 17 x 17 x 768 x = F.avg_pool2d(x, kernel_size=5, stride=3) # 5 x 5 x 768 x = self.conv0(x) # 5 x 5 x 128 x = self.conv1(x) # 1 x 1 x 768 x = x.view(x.size(0), -1) # 768 x = self.group1(x) # 1000 return x class BasicConv2d(nn.Module): def __init__(self, in_channels, out_channels, **kwargs): super(BasicConv2d, self).__init__() self.group1 = nn.Sequential( OrderedDict([ ('conv', nn.Conv2d(in_channels, out_channels, bias=False, **kwargs)), ('bn', nn.BatchNorm2d(out_channels, eps=0.001)) ]) ) def forward(self, x): x = self.group1(x) return F.relu(x, inplace=True)

py

pytorch-playground

pytorch-playground-master/imagenet/resnet.py

import torch.nn as nn import math from utee import misc from collections import OrderedDict __all__ = ['ResNet', 'resnet18', 'resnet34', 'resnet50', 'resnet101', 'resnet152'] model_urls = { 'resnet18': 'https://download.pytorch.org/models/resnet18-5c106cde.pth', 'resnet34': 'https://download.pytorch.org/models/resnet34-333f7ec4.pth', 'resnet50': 'https://download.pytorch.org/models/resnet50-19c8e357.pth', 'resnet101': 'https://download.pytorch.org/models/resnet101-5d3b4d8f.pth', 'resnet152': 'https://download.pytorch.org/models/resnet152-b121ed2d.pth', } def conv3x3(in_planes, out_planes, stride=1): # "3x3 convolution with padding" return nn.Conv2d(in_planes, out_planes, kernel_size=3, stride=stride, padding=1, bias=False) class BasicBlock(nn.Module): expansion = 1 def __init__(self, inplanes, planes, stride=1, downsample=None): super(BasicBlock, self).__init__() m = OrderedDict() m['conv1'] = conv3x3(inplanes, planes, stride) m['bn1'] = nn.BatchNorm2d(planes) m['relu1'] = nn.ReLU(inplace=True) m['conv2'] = conv3x3(planes, planes) m['bn2'] = nn.BatchNorm2d(planes) self.group1 = nn.Sequential(m) self.relu= nn.Sequential(nn.ReLU(inplace=True)) self.downsample = downsample def forward(self, x): if self.downsample is not None: residual = self.downsample(x) else: residual = x out = self.group1(x) + residual out = self.relu(out) return out class Bottleneck(nn.Module): expansion = 4 def __init__(self, inplanes, planes, stride=1, downsample=None): super(Bottleneck, self).__init__() m = OrderedDict() m['conv1'] = nn.Conv2d(inplanes, planes, kernel_size=1, bias=False) m['bn1'] = nn.BatchNorm2d(planes) m['relu1'] = nn.ReLU(inplace=True) m['conv2'] = nn.Conv2d(planes, planes, kernel_size=3, stride=stride, padding=1, bias=False) m['bn2'] = nn.BatchNorm2d(planes) m['relu2'] = nn.ReLU(inplace=True) m['conv3'] = nn.Conv2d(planes, planes * 4, kernel_size=1, bias=False) m['bn3'] = nn.BatchNorm2d(planes * 4) self.group1 = nn.Sequential(m) self.relu= nn.Sequential(nn.ReLU(inplace=True)) self.downsample = downsample def forward(self, x): if self.downsample is not None: residual = self.downsample(x) else: residual = x out = self.group1(x) + residual out = self.relu(out) return out class ResNet(nn.Module): def __init__(self, block, layers, num_classes=1000): self.inplanes = 64 super(ResNet, self).__init__() m = OrderedDict() m['conv1'] = nn.Conv2d(3, 64, kernel_size=7, stride=2, padding=3, bias=False) m['bn1'] = nn.BatchNorm2d(64) m['relu1'] = nn.ReLU(inplace=True) m['maxpool'] = nn.MaxPool2d(kernel_size=3, stride=2, padding=1) self.group1= nn.Sequential(m) self.layer1 = self._make_layer(block, 64, layers[0]) self.layer2 = self._make_layer(block, 128, layers[1], stride=2) self.layer3 = self._make_layer(block, 256, layers[2], stride=2) self.layer4 = self._make_layer(block, 512, layers[3], stride=2) self.avgpool = nn.Sequential(nn.AvgPool2d(7)) self.group2 = nn.Sequential( OrderedDict([ ('fc', nn.Linear(512 * block.expansion, num_classes)) ]) ) for m in self.modules(): if isinstance(m, nn.Conv2d): n = m.kernel_size[0] * m.kernel_size[1] * m.out_channels m.weight.data.normal_(0, math.sqrt(2. / n)) elif isinstance(m, nn.BatchNorm2d): m.weight.data.fill_(1) m.bias.data.zero_() def _make_layer(self, block, planes, blocks, stride=1): downsample = None if stride != 1 or self.inplanes != planes * block.expansion: downsample = nn.Sequential( nn.Conv2d(self.inplanes, planes * block.expansion, kernel_size=1, stride=stride, bias=False), nn.BatchNorm2d(planes * block.expansion), ) layers = [] layers.append(block(self.inplanes, planes, stride, downsample)) self.inplanes = planes * block.expansion for i in range(1, blocks): layers.append(block(self.inplanes, planes)) return nn.Sequential(*layers) def forward(self, x): x = self.group1(x) x = self.layer1(x) x = self.layer2(x) x = self.layer3(x) x = self.layer4(x) x = self.avgpool(x) x = x.view(x.size(0), -1) x = self.group2(x) return x def resnet18(pretrained=False, model_root=None, **kwargs): model = ResNet(BasicBlock, [2, 2, 2, 2], **kwargs) if pretrained: misc.load_state_dict(model, model_urls['resnet18'], model_root) return model def resnet34(pretrained=False, model_root=None, **kwargs): model = ResNet(BasicBlock, [3, 4, 6, 3], **kwargs) if pretrained: misc.load_state_dict(model, model_urls['resnet34'], model_root) return model def resnet50(pretrained=False, model_root=None, **kwargs): model = ResNet(Bottleneck, [3, 4, 6, 3], **kwargs) if pretrained: misc.load_state_dict(model, model_urls['resnet50'], model_root) return model def resnet101(pretrained=False, model_root=None, **kwargs): model = ResNet(Bottleneck, [3, 4, 23, 3], **kwargs) if pretrained: misc.load_state_dict(model, model_urls['resnet101'], model_root) return model def resnet152(pretrained=False, model_root=None, **kwargs): model = ResNet(Bottleneck, [3, 8, 36, 3], **kwargs) if pretrained: misc.load_state_dict(model, model_urls['resnet152'], model_root) return model

py

pytorch-playground

pytorch-playground-master/imagenet/squeezenet.py

import math import torch import torch.nn as nn from utee import misc from collections import OrderedDict __all__ = ['SqueezeNet', 'squeezenet1_0', 'squeezenet1_1'] model_urls = { 'squeezenet1_0': 'https://download.pytorch.org/models/squeezenet1_0-a815701f.pth', 'squeezenet1_1': 'https://download.pytorch.org/models/squeezenet1_1-f364aa15.pth', } class Fire(nn.Module): def __init__(self, inplanes, squeeze_planes, expand1x1_planes, expand3x3_planes): super(Fire, self).__init__() self.inplanes = inplanes self.group1 = nn.Sequential( OrderedDict([ ('squeeze', nn.Conv2d(inplanes, squeeze_planes, kernel_size=1)), ('squeeze_activation', nn.ReLU(inplace=True)) ]) ) self.group2 = nn.Sequential( OrderedDict([ ('expand1x1', nn.Conv2d(squeeze_planes, expand1x1_planes, kernel_size=1)), ('expand1x1_activation', nn.ReLU(inplace=True)) ]) ) self.group3 = nn.Sequential( OrderedDict([ ('expand3x3', nn.Conv2d(squeeze_planes, expand3x3_planes, kernel_size=3, padding=1)), ('expand3x3_activation', nn.ReLU(inplace=True)) ]) ) def forward(self, x): x = self.group1(x) return torch.cat([self.group2(x),self.group3(x)], 1) class SqueezeNet(nn.Module): def __init__(self, version=1.0, num_classes=1000): super(SqueezeNet, self).__init__() if version not in [1.0, 1.1]: raise ValueError("Unsupported SqueezeNet version {version}:" "1.0 or 1.1 expected".format(version=version)) self.num_classes = num_classes if version == 1.0: self.features = nn.Sequential( nn.Conv2d(3, 96, kernel_size=7, stride=2), nn.ReLU(inplace=True), nn.MaxPool2d(kernel_size=3, stride=2, ceil_mode=True), Fire(96, 16, 64, 64), Fire(128, 16, 64, 64), Fire(128, 32, 128, 128), nn.MaxPool2d(kernel_size=3, stride=2, ceil_mode=True), Fire(256, 32, 128, 128), Fire(256, 48, 192, 192), Fire(384, 48, 192, 192), Fire(384, 64, 256, 256), nn.MaxPool2d(kernel_size=3, stride=2, ceil_mode=True), Fire(512, 64, 256, 256), ) else: self.features = nn.Sequential( nn.Conv2d(3, 64, kernel_size=3, stride=2), nn.ReLU(inplace=True), nn.MaxPool2d(kernel_size=3, stride=2, ceil_mode=True), Fire(64, 16, 64, 64), Fire(128, 16, 64, 64), nn.MaxPool2d(kernel_size=3, stride=2, ceil_mode=True), Fire(128, 32, 128, 128), Fire(256, 32, 128, 128), nn.MaxPool2d(kernel_size=3, stride=2, ceil_mode=True), Fire(256, 48, 192, 192), Fire(384, 48, 192, 192), Fire(384, 64, 256, 256), Fire(512, 64, 256, 256), ) # Final convolution is initialized differently form the rest final_conv = nn.Conv2d(512, num_classes, kernel_size=1) self.classifier = nn.Sequential( nn.Dropout(p=0.5), final_conv, nn.ReLU(inplace=True), nn.AvgPool2d(13) ) for m in self.modules(): if isinstance(m, nn.Conv2d): gain = 2.0 if m is final_conv: m.weight.data.normal_(0, 0.01) else: fan_in = m.kernel_size[0] * m.kernel_size[1] * m.in_channels u = math.sqrt(3.0 * gain / fan_in) m.weight.data.uniform_(-u, u) if m.bias is not None: m.bias.data.zero_() def forward(self, x): x = self.features(x) x = self.classifier(x) return x.view(x.size(0), self.num_classes) def squeezenet1_0(pretrained=False, model_root=None, **kwargs): r"""SqueezeNet model architecture from the `"SqueezeNet: AlexNet-level accuracy with 50x fewer parameters and <0.5MB model size" <https://arxiv.org/abs/1602.07360>`_ paper. """ model = SqueezeNet(version=1.0, **kwargs) if pretrained: misc.load_state_dict(model, model_urls['squeezenet1_0'], model_root) return model def squeezenet1_1(pretrained=False, model_root=None, **kwargs): r"""SqueezeNet 1.1 model from the `official SqueezeNet repo <https://github.com/DeepScale/SqueezeNet/tree/master/SqueezeNet_v1.1>`_. SqueezeNet 1.1 has 2.4x less computation and slightly fewer parameters than SqueezeNet 1.0, without sacrificing accuracy. """ model = SqueezeNet(version=1.1, **kwargs) if pretrained: misc.load_state_dict(model, model_urls['squeezenet1_1'], model_root) return model

py

pytorch-playground

pytorch-playground-master/imagenet/vgg.py

import torch.nn as nn import torch.utils.model_zoo as model_zoo import math __all__ = [ 'VGG', 'vgg11', 'vgg11_bn', 'vgg13', 'vgg13_bn', 'vgg16', 'vgg16_bn', 'vgg19_bn', 'vgg19', ] model_urls = { 'vgg11': 'https://download.pytorch.org/models/vgg11-bbd30ac9.pth', 'vgg13': 'https://download.pytorch.org/models/vgg13-c768596a.pth', 'vgg16': 'https://download.pytorch.org/models/vgg16-397923af.pth', 'vgg19': 'https://download.pytorch.org/models/vgg19-dcbb9e9d.pth', } class VGG(nn.Module): def __init__(self, features, num_classes=1000): super(VGG, self).__init__() self.features = features self.classifier = nn.Sequential( nn.Linear(512 * 7 * 7, 4096), nn.ReLU(inplace=True), nn.Dropout(), nn.Linear(4096, 4096), nn.ReLU(inplace=True), nn.Dropout(), nn.Linear(4096, num_classes), ) self._initialize_weights() def forward(self, x): x = self.features(x) x = x.view(x.size(0), -1) x = self.classifier(x) return x def _initialize_weights(self): for m in self.modules(): if isinstance(m, nn.Conv2d): n = m.kernel_size[0] * m.kernel_size[1] * m.out_channels m.weight.data.normal_(0, math.sqrt(2. / n)) if m.bias is not None: m.bias.data.zero_() elif isinstance(m, nn.BatchNorm2d): m.weight.data.fill_(1) m.bias.data.zero_() elif isinstance(m, nn.Linear): n = m.weight.size(1) m.weight.data.normal_(0, 0.01) m.bias.data.zero_() def make_layers(cfg, batch_norm=False): layers = [] in_channels = 3 for v in cfg: if v == 'M': layers += [nn.MaxPool2d(kernel_size=2, stride=2)] else: conv2d = nn.Conv2d(in_channels, v, kernel_size=3, padding=1) if batch_norm: layers += [conv2d, nn.BatchNorm2d(v), nn.ReLU(inplace=True)] else: layers += [conv2d, nn.ReLU(inplace=True)] in_channels = v return nn.Sequential(*layers) cfg = { 'A': [64, 'M', 128, 'M', 256, 256, 'M', 512, 512, 'M', 512, 512, 'M'], 'B': [64, 64, 'M', 128, 128, 'M', 256, 256, 'M', 512, 512, 'M', 512, 512, 'M'], 'D': [64, 64, 'M', 128, 128, 'M', 256, 256, 256, 'M', 512, 512, 512, 'M', 512, 512, 512, 'M'], 'E': [64, 64, 'M', 128, 128, 'M', 256, 256, 256, 256, 'M', 512, 512, 512, 512, 'M', 512, 512, 512, 512, 'M'], } def vgg11(pretrained=False, model_root=None, **kwargs): """VGG 11-layer model (configuration "A")""" model = VGG(make_layers(cfg['A']), **kwargs) if pretrained: model.load_state_dict(model_zoo.load_url(model_urls['vgg11'], model_root)) return model def vgg11_bn(**kwargs): """VGG 11-layer model (configuration "A") with batch normalization""" kwargs.pop('model_root', None) return VGG(make_layers(cfg['A'], batch_norm=True), **kwargs) def vgg13(pretrained=False, model_root=None, **kwargs): """VGG 13-layer model (configuration "B")""" model = VGG(make_layers(cfg['B']), **kwargs) if pretrained: model.load_state_dict(model_zoo.load_url(model_urls['vgg13'], model_root)) return model def vgg13_bn(**kwargs): """VGG 13-layer model (configuration "B") with batch normalization""" kwargs.pop('model_root', None) return VGG(make_layers(cfg['B'], batch_norm=True), **kwargs) def vgg16(pretrained=False, model_root=None, **kwargs): """VGG 16-layer model (configuration "D")""" model = VGG(make_layers(cfg['D']), **kwargs) if pretrained: model.load_state_dict(model_zoo.load_url(model_urls['vgg16'], model_root)) return model def vgg16_bn(**kwargs): """VGG 16-layer model (configuration "D") with batch normalization""" kwargs.pop('model_root', None) return VGG(make_layers(cfg['D'], batch_norm=True), **kwargs) def vgg19(pretrained=False, model_root=None, **kwargs): """VGG 19-layer model (configuration "E")""" model = VGG(make_layers(cfg['E']), **kwargs) if pretrained: model.load_state_dict(model_zoo.load_url(model_urls['vgg19'], model_root)) return model def vgg19_bn(**kwargs): """VGG 19-layer model (configuration 'E') with batch normalization""" kwargs.pop('model_root', None) return VGG(make_layers(cfg['E'], batch_norm=True), **kwargs)

py

pytorch-playground

pytorch-playground-master/imagenet/dataset.py

from utee import misc import os import os.path import numpy as np import joblib def get(batch_size, data_root='/tmp/public_dataset/pytorch', train=False, val=True, **kwargs): data_root = os.path.expanduser(os.path.join(data_root, 'imagenet-data')) print("Building IMAGENET data loader, 50000 for train, 50000 for test") ds = [] assert train is not True, 'train not supported yet' if train: ds.append(IMAGENET(data_root, batch_size, True, **kwargs)) if val: ds.append(IMAGENET(data_root, batch_size, False, **kwargs)) ds = ds[0] if len(ds) == 1 else ds return ds class IMAGENET(object): def __init__(self, root, batch_size, train=False, input_size=224, **kwargs): self.mean = np.array([0.485, 0.456, 0.406]).reshape(1, 1, 1, 3) self.std = np.array([0.229, 0.224, 0.225]).reshape(1, 1, 1, 3) self.train = train if train: pkl_file = os.path.join(root, 'train{}.pkl'.format(input_size)) else: pkl_file = os.path.join(root, 'val{}.pkl'.format(input_size)) self.data_dict = joblib.load(pkl_file) self.batch_size = batch_size self.idx = 0 @property def n_batch(self): return int(np.ceil(self.n_sample* 1.0 / self.batch_size)) @property def n_sample(self): return len(self.data_dict['data']) def __len__(self): return self.n_batch def __iter__(self): return self def __next__(self): if self.idx >= self.n_batch: self.idx = 0 raise StopIteration else: img = self.data_dict['data'][self.idx*self.batch_size:(self.idx+1)*self.batch_size].astype('float32') target = self.data_dict['target'][self.idx*self.batch_size:(self.idx+1)*self.batch_size] self.idx += 1 return img, target if __name__ == '__main__': train_ds, val_ds = get(200)

py

pytorch-playground

pytorch-playground-master/imagenet/__init__.py

py

pytorch-playground

pytorch-playground-master/imagenet/alexnet.py

import torch.nn as nn import torch.utils.model_zoo as model_zoo __all__ = ['AlexNet', 'alexnet'] model_urls = { 'alexnet': 'https://download.pytorch.org/models/alexnet-owt-4df8aa71.pth', } class AlexNet(nn.Module): def __init__(self, num_classes=1000): super(AlexNet, self).__init__() self.features = nn.Sequential( nn.Conv2d(3, 64, kernel_size=11, stride=4, padding=2), nn.ReLU(inplace=True), nn.MaxPool2d(kernel_size=3, stride=2), nn.Conv2d(64, 192, kernel_size=5, padding=2), nn.ReLU(inplace=True), nn.MaxPool2d(kernel_size=3, stride=2), nn.Conv2d(192, 384, kernel_size=3, padding=1), nn.ReLU(inplace=True), nn.Conv2d(384, 256, kernel_size=3, padding=1), nn.ReLU(inplace=True), nn.Conv2d(256, 256, kernel_size=3, padding=1), nn.ReLU(inplace=True), nn.MaxPool2d(kernel_size=3, stride=2), ) self.classifier = nn.Sequential( nn.Dropout(), nn.Linear(256 * 6 * 6, 4096), nn.ReLU(inplace=True), nn.Dropout(), nn.Linear(4096, 4096), nn.ReLU(inplace=True), nn.Linear(4096, num_classes), ) def forward(self, x): x = self.features(x) x = x.view(x.size(0), 256 * 6 * 6) x = self.classifier(x) return x def alexnet(pretrained=False, model_root=None, **kwargs): model = AlexNet(**kwargs) if pretrained: model.load_state_dict(model_zoo.load_url(model_urls['alexnet'], model_root)) return model

py

pytorch-playground

pytorch-playground-master/mnist/model.py

import torch.nn as nn from collections import OrderedDict import torch.utils.model_zoo as model_zoo from utee import misc print = misc.logger.info model_urls = { 'mnist': 'http://ml.cs.tsinghua.edu.cn/~chenxi/pytorch-models/mnist-b07bb66b.pth' } class MLP(nn.Module): def __init__(self, input_dims, n_hiddens, n_class): super(MLP, self).__init__() assert isinstance(input_dims, int), 'Please provide int for input_dims' self.input_dims = input_dims current_dims = input_dims layers = OrderedDict() if isinstance(n_hiddens, int): n_hiddens = [n_hiddens] else: n_hiddens = list(n_hiddens) for i, n_hidden in enumerate(n_hiddens): layers['fc{}'.format(i+1)] = nn.Linear(current_dims, n_hidden) layers['relu{}'.format(i+1)] = nn.ReLU() layers['drop{}'.format(i+1)] = nn.Dropout(0.2) current_dims = n_hidden layers['out'] = nn.Linear(current_dims, n_class) self.model= nn.Sequential(layers) print(self.model) def forward(self, input): input = input.view(input.size(0), -1) assert input.size(1) == self.input_dims return self.model.forward(input) def mnist(input_dims=784, n_hiddens=[256, 256], n_class=10, pretrained=None): model = MLP(input_dims, n_hiddens, n_class) if pretrained is not None: m = model_zoo.load_url(model_urls['mnist']) state_dict = m.state_dict() if isinstance(m, nn.Module) else m assert isinstance(state_dict, (dict, OrderedDict)), type(state_dict) model.load_state_dict(state_dict) return model

py

pytorch-playground

pytorch-playground-master/mnist/dataset.py

from torch.utils.data import DataLoader import torch from torchvision import datasets, transforms import os def get(batch_size, data_root='/tmp/public_dataset/pytorch', train=True, val=True, **kwargs): data_root = os.path.expanduser(os.path.join(data_root, 'mnist-data')) kwargs.pop('input_size', None) num_workers = kwargs.setdefault('num_workers', 1) print("Building MNIST data loader with {} workers".format(num_workers)) ds = [] if train: train_loader = torch.utils.data.DataLoader( datasets.MNIST(root=data_root, train=True, download=True, transform=transforms.Compose([ transforms.ToTensor(), transforms.Normalize((0.1307,), (0.3081,)) ])), batch_size=batch_size, shuffle=True, **kwargs) ds.append(train_loader) if val: test_loader = torch.utils.data.DataLoader( datasets.MNIST(root=data_root, train=False, download=True, transform=transforms.Compose([ transforms.ToTensor(), transforms.Normalize((0.1307,), (0.3081,)) ])), batch_size=batch_size, shuffle=True, **kwargs) ds.append(test_loader) ds = ds[0] if len(ds) == 1 else ds return ds

py

pytorch-playground

pytorch-playground-master/mnist/__init__.py

py

pytorch-playground

pytorch-playground-master/mnist/train.py

import argparse import os import time from utee import misc import torch import torch.nn.functional as F import torch.optim as optim from torch.autograd import Variable import dataset import model parser = argparse.ArgumentParser(description='PyTorch MNIST Example') parser.add_argument('--wd', type=float, default=0.0001, help='weight decay') parser.add_argument('--batch_size', type=int, default=200, help='input batch size for training (default: 64)') parser.add_argument('--epochs', type=int, default=40, help='number of epochs to train (default: 10)') parser.add_argument('--lr', type=float, default=0.01, help='learning rate (default: 1e-3)') parser.add_argument('--gpu', default=None, help='index of gpus to use') parser.add_argument('--ngpu', type=int, default=1, help='number of gpus to use') parser.add_argument('--seed', type=int, default=117, help='random seed (default: 1)') parser.add_argument('--log_interval', type=int, default=100, help='how many batches to wait before logging training status') parser.add_argument('--test_interval', type=int, default=5, help='how many epochs to wait before another test') parser.add_argument('--logdir', default='log/default', help='folder to save to the log') parser.add_argument('--data_root', default='/tmp/public_dataset/pytorch/', help='folder to save the model') parser.add_argument('--decreasing_lr', default='80,120', help='decreasing strategy') args = parser.parse_args() args.logdir = os.path.join(os.path.dirname(__file__), args.logdir) misc.logger.init(args.logdir, 'train_log') print = misc.logger.info # select gpu args.gpu = misc.auto_select_gpu(utility_bound=0, num_gpu=args.ngpu, selected_gpus=args.gpu) args.ngpu = len(args.gpu) # logger misc.ensure_dir(args.logdir) print("=================FLAGS==================") for k, v in args.__dict__.items(): print('{}: {}'.format(k, v)) print("========================================") # seed args.cuda = torch.cuda.is_available() torch.manual_seed(args.seed) if args.cuda: torch.cuda.manual_seed(args.seed) # data loader train_loader, test_loader = dataset.get(batch_size=args.batch_size, data_root=args.data_root, num_workers=1) # model model = model.mnist(input_dims=784, n_hiddens=[256, 256], n_class=10) model = torch.nn.DataParallel(model, device_ids= range(args.ngpu)) if args.cuda: model.cuda() # optimizer optimizer = optim.SGD(model.parameters(), lr=args.lr, weight_decay=args.wd, momentum=0.9) decreasing_lr = list(map(int, args.decreasing_lr.split(','))) print('decreasing_lr: ' + str(decreasing_lr)) best_acc, old_file = 0, None t_begin = time.time() try: # ready to go for epoch in range(args.epochs): model.train() if epoch in decreasing_lr: optimizer.param_groups[0]['lr'] *= 0.1 for batch_idx, (data, target) in enumerate(train_loader): indx_target = target.clone() if args.cuda: data, target = data.cuda(), target.cuda() data, target = Variable(data), Variable(target) optimizer.zero_grad() output = model(data) loss = F.cross_entropy(output, target) loss.backward() optimizer.step() if batch_idx % args.log_interval == 0 and batch_idx > 0: pred = output.data.max(1)[1] # get the index of the max log-probability correct = pred.cpu().eq(indx_target).sum() acc = correct * 1.0 / len(data) print('Train Epoch: {} [{}/{}] Loss: {:.6f} Acc: {:.4f} lr: {:.2e}'.format( epoch, batch_idx * len(data), len(train_loader.dataset), loss.data, acc, optimizer.param_groups[0]['lr'])) elapse_time = time.time() - t_begin speed_epoch = elapse_time / (epoch + 1) speed_batch = speed_epoch / len(train_loader) eta = speed_epoch * args.epochs - elapse_time print("Elapsed {:.2f}s, {:.2f} s/epoch, {:.2f} s/batch, ets {:.2f}s".format( elapse_time, speed_epoch, speed_batch, eta)) misc.model_snapshot(model, os.path.join(args.logdir, 'latest.pth')) if epoch % args.test_interval == 0: model.eval() test_loss = 0 correct = 0 for data, target in test_loader: indx_target = target.clone() if args.cuda: data, target = data.cuda(), target.cuda() data, target = Variable(data, volatile=True), Variable(target) output = model(data) test_loss += F.cross_entropy(output, target).data pred = output.data.max(1)[1] # get the index of the max log-probability correct += pred.cpu().eq(indx_target).sum() test_loss = test_loss / len(test_loader) # average over number of mini-batch acc = 100. * correct / len(test_loader.dataset) print('\tTest set: Average loss: {:.4f}, Accuracy: {}/{} ({:.0f}%)'.format( test_loss, correct, len(test_loader.dataset), acc)) if acc > best_acc: new_file = os.path.join(args.logdir, 'best-{}.pth'.format(epoch)) misc.model_snapshot(model, new_file, old_file=old_file, verbose=True) best_acc = acc old_file = new_file except Exception as e: import traceback traceback.print_exc() finally: print("Total Elapse: {:.2f}, Best Result: {:.3f}%".format(time.time()-t_begin, best_acc))

py

pytorch-playground

pytorch-playground-master/cifar/model.py

import torch.nn as nn import torch.utils.model_zoo as model_zoo from IPython import embed from collections import OrderedDict from utee import misc print = misc.logger.info model_urls = { 'cifar10': 'http://ml.cs.tsinghua.edu.cn/~chenxi/pytorch-models/cifar10-d875770b.pth', 'cifar100': 'http://ml.cs.tsinghua.edu.cn/~chenxi/pytorch-models/cifar100-3a55a987.pth', } class CIFAR(nn.Module): def __init__(self, features, n_channel, num_classes): super(CIFAR, self).__init__() assert isinstance(features, nn.Sequential), type(features) self.features = features self.classifier = nn.Sequential( nn.Linear(n_channel, num_classes) ) print(self.features) print(self.classifier) def forward(self, x): x = self.features(x) x = x.view(x.size(0), -1) x = self.classifier(x) return x def make_layers(cfg, batch_norm=False): layers = [] in_channels = 3 for i, v in enumerate(cfg): if v == 'M': layers += [nn.MaxPool2d(kernel_size=2, stride=2)] else: padding = v[1] if isinstance(v, tuple) else 1 out_channels = v[0] if isinstance(v, tuple) else v conv2d = nn.Conv2d(in_channels, out_channels, kernel_size=3, padding=padding) if batch_norm: layers += [conv2d, nn.BatchNorm2d(out_channels, affine=False), nn.ReLU()] else: layers += [conv2d, nn.ReLU()] in_channels = out_channels return nn.Sequential(*layers) def cifar10(n_channel, pretrained=None): cfg = [n_channel, n_channel, 'M', 2*n_channel, 2*n_channel, 'M', 4*n_channel, 4*n_channel, 'M', (8*n_channel, 0), 'M'] layers = make_layers(cfg, batch_norm=True) model = CIFAR(layers, n_channel=8*n_channel, num_classes=10) if pretrained is not None: m = model_zoo.load_url(model_urls['cifar10']) state_dict = m.state_dict() if isinstance(m, nn.Module) else m assert isinstance(state_dict, (dict, OrderedDict)), type(state_dict) model.load_state_dict(state_dict) return model def cifar100(n_channel, pretrained=None): cfg = [n_channel, n_channel, 'M', 2*n_channel, 2*n_channel, 'M', 4*n_channel, 4*n_channel, 'M', (8*n_channel, 0), 'M'] layers = make_layers(cfg, batch_norm=True) model = CIFAR(layers, n_channel=8*n_channel, num_classes=100) if pretrained is not None: m = model_zoo.load_url(model_urls['cifar100']) state_dict = m.state_dict() if isinstance(m, nn.Module) else m assert isinstance(state_dict, (dict, OrderedDict)), type(state_dict) model.load_state_dict(state_dict) return model if __name__ == '__main__': model = cifar10(128, pretrained='log/cifar10/best-135.pth') embed()

py

pytorch-playground

pytorch-playground-master/cifar/dataset.py

import torch from torchvision import datasets, transforms from torch.utils.data import DataLoader import os def get10(batch_size, data_root='/tmp/public_dataset/pytorch', train=True, val=True, **kwargs): data_root = os.path.expanduser(os.path.join(data_root, 'cifar10-data')) num_workers = kwargs.setdefault('num_workers', 1) kwargs.pop('input_size', None) print("Building CIFAR-10 data loader with {} workers".format(num_workers)) ds = [] if train: train_loader = torch.utils.data.DataLoader( datasets.CIFAR10( root=data_root, train=True, download=True, transform=transforms.Compose([ transforms.Pad(4), transforms.RandomCrop(32), transforms.RandomHorizontalFlip(), transforms.ToTensor(), transforms.Normalize((0.5, 0.5, 0.5), (0.5, 0.5, 0.5)), ])), batch_size=batch_size, shuffle=True, **kwargs) ds.append(train_loader) if val: test_loader = torch.utils.data.DataLoader( datasets.CIFAR10( root=data_root, train=False, download=True, transform=transforms.Compose([ transforms.ToTensor(), transforms.Normalize((0.5, 0.5, 0.5), (0.5, 0.5, 0.5)), ])), batch_size=batch_size, shuffle=False, **kwargs) ds.append(test_loader) ds = ds[0] if len(ds) == 1 else ds return ds def get100(batch_size, data_root='/tmp/public_dataset/pytorch', train=True, val=True, **kwargs): data_root = os.path.expanduser(os.path.join(data_root, 'cifar100-data')) num_workers = kwargs.setdefault('num_workers', 1) kwargs.pop('input_size', None) print("Building CIFAR-100 data loader with {} workers".format(num_workers)) ds = [] if train: train_loader = torch.utils.data.DataLoader( datasets.CIFAR100( root=data_root, train=True, download=True, transform=transforms.Compose([ transforms.Pad(4), transforms.RandomCrop(32), transforms.RandomHorizontalFlip(), transforms.ToTensor(), transforms.Normalize((0.5, 0.5, 0.5), (0.5, 0.5, 0.5)), ])), batch_size=batch_size, shuffle=True, **kwargs) ds.append(train_loader) if val: test_loader = torch.utils.data.DataLoader( datasets.CIFAR100( root=data_root, train=False, download=True, transform=transforms.Compose([ transforms.ToTensor(), transforms.Normalize((0.5, 0.5, 0.5), (0.5, 0.5, 0.5)), ])), batch_size=batch_size, shuffle=False, **kwargs) ds.append(test_loader) ds = ds[0] if len(ds) == 1 else ds return ds

py

pytorch-playground

pytorch-playground-master/cifar/__init__.py

py

pytorch-playground

pytorch-playground-master/cifar/train.py

import argparse import os import time from utee import misc import torch import torch.nn.functional as F import torch.optim as optim from torch.autograd import Variable import dataset import model from IPython import embed parser = argparse.ArgumentParser(description='PyTorch CIFAR-X Example') parser.add_argument('--type', default='cifar10', help='cifar10|cifar100') parser.add_argument('--channel', type=int, default=128, help='first conv channel (default: 32)') parser.add_argument('--wd', type=float, default=0.00, help='weight decay') parser.add_argument('--batch_size', type=int, default=200, help='input batch size for training (default: 64)') parser.add_argument('--epochs', type=int, default=150, help='number of epochs to train (default: 10)') parser.add_argument('--lr', type=float, default=0.001, help='learning rate (default: 1e-3)') parser.add_argument('--gpu', default=None, help='index of gpus to use') parser.add_argument('--ngpu', type=int, default=2, help='number of gpus to use') parser.add_argument('--seed', type=int, default=117, help='random seed (default: 1)') parser.add_argument('--log_interval', type=int, default=100, help='how many batches to wait before logging training status') parser.add_argument('--test_interval', type=int, default=5, help='how many epochs to wait before another test') parser.add_argument('--logdir', default='log/default', help='folder to save to the log') parser.add_argument('--decreasing_lr', default='80,120', help='decreasing strategy') args = parser.parse_args() args.logdir = os.path.join(os.path.dirname(__file__), args.logdir) misc.logger.init(args.logdir, 'train_log') print = misc.logger.info # select gpu args.gpu = misc.auto_select_gpu(utility_bound=0, num_gpu=args.ngpu, selected_gpus=args.gpu) args.ngpu = len(args.gpu) # logger misc.ensure_dir(args.logdir) print("=================FLAGS==================") for k, v in args.__dict__.items(): print('{}: {}'.format(k, v)) print("========================================") # seed args.cuda = torch.cuda.is_available() torch.manual_seed(args.seed) if args.cuda: torch.cuda.manual_seed(args.seed) # data loader and model assert args.type in ['cifar10', 'cifar100'], args.type if args.type == 'cifar10': train_loader, test_loader = dataset.get10(batch_size=args.batch_size, num_workers=1) model = model.cifar10(n_channel=args.channel) else: train_loader, test_loader = dataset.get100(batch_size=args.batch_size, num_workers=1) model = model.cifar100(n_channel=args.channel) model = torch.nn.DataParallel(model, device_ids= range(args.ngpu)) if args.cuda: model.cuda() # optimizer optimizer = optim.Adam(model.parameters(), lr=args.lr, weight_decay=args.wd) decreasing_lr = list(map(int, args.decreasing_lr.split(','))) print('decreasing_lr: ' + str(decreasing_lr)) best_acc, old_file = 0, None t_begin = time.time() try: # ready to go for epoch in range(args.epochs): model.train() if epoch in decreasing_lr: optimizer.param_groups[0]['lr'] *= 0.1 for batch_idx, (data, target) in enumerate(train_loader): indx_target = target.clone() if args.cuda: data, target = data.cuda(), target.cuda() data, target = Variable(data), Variable(target) optimizer.zero_grad() output = model(data) loss = F.cross_entropy(output, target) loss.backward() optimizer.step() if batch_idx % args.log_interval == 0 and batch_idx > 0: pred = output.data.max(1)[1] # get the index of the max log-probability correct = pred.cpu().eq(indx_target).sum() acc = correct * 1.0 / len(data) print('Train Epoch: {} [{}/{}] Loss: {:.6f} Acc: {:.4f} lr: {:.2e}'.format( epoch, batch_idx * len(data), len(train_loader.dataset), loss.data[0], acc, optimizer.param_groups[0]['lr'])) elapse_time = time.time() - t_begin speed_epoch = elapse_time / (epoch + 1) speed_batch = speed_epoch / len(train_loader) eta = speed_epoch * args.epochs - elapse_time print("Elapsed {:.2f}s, {:.2f} s/epoch, {:.2f} s/batch, ets {:.2f}s".format( elapse_time, speed_epoch, speed_batch, eta)) misc.model_snapshot(model, os.path.join(args.logdir, 'latest.pth')) if epoch % args.test_interval == 0: model.eval() test_loss = 0 correct = 0 for data, target in test_loader: indx_target = target.clone() if args.cuda: data, target = data.cuda(), target.cuda() data, target = Variable(data, volatile=True), Variable(target) output = model(data) test_loss += F.cross_entropy(output, target).data[0] pred = output.data.max(1)[1] # get the index of the max log-probability correct += pred.cpu().eq(indx_target).sum() test_loss = test_loss / len(test_loader) # average over number of mini-batch acc = 100. * correct / len(test_loader.dataset) print('\tTest set: Average loss: {:.4f}, Accuracy: {}/{} ({:.0f}%)'.format( test_loss, correct, len(test_loader.dataset), acc)) if acc > best_acc: new_file = os.path.join(args.logdir, 'best-{}.pth'.format(epoch)) misc.model_snapshot(model, new_file, old_file=old_file, verbose=True) best_acc = acc old_file = new_file except Exception as e: import traceback traceback.print_exc() finally: print("Total Elapse: {:.2f}, Best Result: {:.3f}%".format(time.time()-t_begin, best_acc))

py

pytorch-playground

pytorch-playground-master/utee/quant.py

from torch.autograd import Variable import torch from torch import nn from collections import OrderedDict import math from IPython import embed def compute_integral_part(input, overflow_rate): abs_value = input.abs().view(-1) sorted_value = abs_value.sort(dim=0, descending=True)[0] split_idx = int(overflow_rate * len(sorted_value)) v = sorted_value[split_idx] if isinstance(v, Variable): v = float(v.data.cpu()) sf = math.ceil(math.log2(v+1e-12)) return sf def linear_quantize(input, sf, bits): assert bits >= 1, bits if bits == 1: return torch.sign(input) - 1 delta = math.pow(2.0, -sf) bound = math.pow(2.0, bits-1) min_val = - bound max_val = bound - 1 rounded = torch.floor(input / delta + 0.5) clipped_value = torch.clamp(rounded, min_val, max_val) * delta return clipped_value def log_minmax_quantize(input, bits): assert bits >= 1, bits if bits == 1: return torch.sign(input), 0.0, 0.0 s = torch.sign(input) input0 = torch.log(torch.abs(input) + 1e-20) v = min_max_quantize(input0, bits-1) v = torch.exp(v) * s return v def log_linear_quantize(input, sf, bits): assert bits >= 1, bits if bits == 1: return torch.sign(input), 0.0, 0.0 s = torch.sign(input) input0 = torch.log(torch.abs(input) + 1e-20) v = linear_quantize(input0, sf, bits-1) v = torch.exp(v) * s return v def min_max_quantize(input, bits): assert bits >= 1, bits if bits == 1: return torch.sign(input) - 1 min_val, max_val = input.min(), input.max() if isinstance(min_val, Variable): max_val = float(max_val.data.cpu().numpy()[0]) min_val = float(min_val.data.cpu().numpy()[0]) input_rescale = (input - min_val) / (max_val - min_val) n = math.pow(2.0, bits) - 1 v = torch.floor(input_rescale * n + 0.5) / n v = v * (max_val - min_val) + min_val return v def tanh_quantize(input, bits): assert bits >= 1, bits if bits == 1: return torch.sign(input) input = torch.tanh(input) # [-1, 1] input_rescale = (input + 1.0) / 2 #[0, 1] n = math.pow(2.0, bits) - 1 v = torch.floor(input_rescale * n + 0.5) / n v = 2 * v - 1 # [-1, 1] v = 0.5 * torch.log((1 + v) / (1 - v)) # arctanh return v class LinearQuant(nn.Module): def __init__(self, name, bits, sf=None, overflow_rate=0.0, counter=10): super(LinearQuant, self).__init__() self.name = name self._counter = counter self.bits = bits self.sf = sf self.overflow_rate = overflow_rate @property def counter(self): return self._counter def forward(self, input): if self._counter > 0: self._counter -= 1 sf_new = self.bits - 1 - compute_integral_part(input, self.overflow_rate) self.sf = min(self.sf, sf_new) if self.sf is not None else sf_new return input else: output = linear_quantize(input, self.sf, self.bits) return output def __repr__(self): return '{}(sf={}, bits={}, overflow_rate={:.3f}, counter={})'.format( self.__class__.__name__, self.sf, self.bits, self.overflow_rate, self.counter) class LogQuant(nn.Module): def __init__(self, name, bits, sf=None, overflow_rate=0.0, counter=10): super(LogQuant, self).__init__() self.name = name self._counter = counter self.bits = bits self.sf = sf self.overflow_rate = overflow_rate @property def counter(self): return self._counter def forward(self, input): if self._counter > 0: self._counter -= 1 log_abs_input = torch.log(torch.abs(input)) sf_new = self.bits - 1 - compute_integral_part(log_abs_input, self.overflow_rate) self.sf = min(self.sf, sf_new) if self.sf is not None else sf_new return input else: output = log_linear_quantize(input, self.sf, self.bits) return output def __repr__(self): return '{}(sf={}, bits={}, overflow_rate={:.3f}, counter={})'.format( self.__class__.__name__, self.sf, self.bits, self.overflow_rate, self.counter) class NormalQuant(nn.Module): def __init__(self, name, bits, quant_func): super(NormalQuant, self).__init__() self.name = name self.bits = bits self.quant_func = quant_func @property def counter(self): return self._counter def forward(self, input): output = self.quant_func(input, self.bits) return output def __repr__(self): return '{}(bits={})'.format(self.__class__.__name__, self.bits) def duplicate_model_with_quant(model, bits, overflow_rate=0.0, counter=10, type='linear'): """assume that original model has at least a nn.Sequential""" assert type in ['linear', 'minmax', 'log', 'tanh'] if isinstance(model, nn.Sequential): l = OrderedDict() for k, v in model._modules.items(): if isinstance(v, (nn.Conv2d, nn.Linear, nn.BatchNorm1d, nn.BatchNorm2d, nn.AvgPool2d)): l[k] = v if type == 'linear': quant_layer = LinearQuant('{}_quant'.format(k), bits=bits, overflow_rate=overflow_rate, counter=counter) elif type == 'log': # quant_layer = LogQuant('{}_quant'.format(k), bits=bits, overflow_rate=overflow_rate, counter=counter) quant_layer = NormalQuant('{}_quant'.format(k), bits=bits, quant_func=log_minmax_quantize) elif type == 'minmax': quant_layer = NormalQuant('{}_quant'.format(k), bits=bits, quant_func=min_max_quantize) else: quant_layer = NormalQuant('{}_quant'.format(k), bits=bits, quant_func=tanh_quantize) l['{}_{}_quant'.format(k, type)] = quant_layer else: l[k] = duplicate_model_with_quant(v, bits, overflow_rate, counter, type) m = nn.Sequential(l) return m else: for k, v in model._modules.items(): model._modules[k] = duplicate_model_with_quant(v, bits, overflow_rate, counter, type) return model

py

pytorch-playground

pytorch-playground-master/utee/misc.py

import cv2 import os import shutil import pickle as pkl import time import numpy as np import hashlib from IPython import embed class Logger(object): def __init__(self): self._logger = None def init(self, logdir, name='log'): if self._logger is None: import logging if not os.path.exists(logdir): os.makedirs(logdir) log_file = os.path.join(logdir, name) if os.path.exists(log_file): os.remove(log_file) self._logger = logging.getLogger() self._logger.setLevel('INFO') fh = logging.FileHandler(log_file) ch = logging.StreamHandler() self._logger.addHandler(fh) self._logger.addHandler(ch) def info(self, str_info): self.init('/tmp', 'tmp.log') self._logger.info(str_info) logger = Logger() print = logger.info def ensure_dir(path, erase=False): if os.path.exists(path) and erase: print("Removing old folder {}".format(path)) shutil.rmtree(path) if not os.path.exists(path): print("Creating folder {}".format(path)) os.makedirs(path) def load_pickle(path): begin_st = time.time() with open(path, 'rb') as f: print("Loading pickle object from {}".format(path)) v = pkl.load(f) print("=> Done ({:.4f} s)".format(time.time() - begin_st)) return v def dump_pickle(obj, path): with open(path, 'wb') as f: print("Dumping pickle object to {}".format(path)) pkl.dump(obj, f, protocol=pkl.HIGHEST_PROTOCOL) def auto_select_gpu(mem_bound=500, utility_bound=0, gpus=(0, 1, 2, 3, 4, 5, 6, 7), num_gpu=1, selected_gpus=None): import sys import os import subprocess import re import time import numpy as np if 'CUDA_VISIBLE_DEVCIES' in os.environ: sys.exit(0) if selected_gpus is None: mem_trace = [] utility_trace = [] for i in range(5): # sample 5 times info = subprocess.check_output('nvidia-smi', shell=True).decode('utf-8') mem = [int(s[:-5]) for s in re.compile('\d+MiB\s/').findall(info)] utility = [int(re.compile('\d+').findall(s)[0]) for s in re.compile('\d+%\s+Default').findall(info)] mem_trace.append(mem) utility_trace.append(utility) time.sleep(0.1) mem = np.mean(mem_trace, axis=0) utility = np.mean(utility_trace, axis=0) assert(len(mem) == len(utility)) nGPU = len(utility) ideal_gpus = [i for i in range(nGPU) if mem[i] <= mem_bound and utility[i] <= utility_bound and i in gpus] if len(ideal_gpus) < num_gpu: print("No sufficient resource, available: {}, require {} gpu".format(ideal_gpus, num_gpu)) sys.exit(0) else: selected_gpus = list(map(str, ideal_gpus[:num_gpu])) else: selected_gpus = selected_gpus.split(',') print("Setting GPU: {}".format(selected_gpus)) os.environ['CUDA_VISIBLE_DEVICES'] = ','.join(selected_gpus) return selected_gpus def expand_user(path): return os.path.abspath(os.path.expanduser(path)) def model_snapshot(model, new_file, old_file=None, verbose=False): from collections import OrderedDict import torch if isinstance(model, torch.nn.DataParallel): model = model.module if old_file and os.path.exists(expand_user(old_file)): if verbose: print("Removing old model {}".format(expand_user(old_file))) os.remove(expand_user(old_file)) if verbose: print("Saving model to {}".format(expand_user(new_file))) state_dict = OrderedDict() for k, v in model.state_dict().items(): if v.is_cuda: v = v.cpu() state_dict[k] = v torch.save(state_dict, expand_user(new_file)) def load_lmdb(lmdb_file, n_records=None): import lmdb import numpy as np lmdb_file = expand_user(lmdb_file) if os.path.exists(lmdb_file): data = [] env = lmdb.open(lmdb_file, readonly=True, max_readers=512) with env.begin() as txn: cursor = txn.cursor() begin_st = time.time() print("Loading lmdb file {} into memory".format(lmdb_file)) for key, value in cursor: _, target, _ = key.decode('ascii').split(':') target = int(target) img = cv2.imdecode(np.fromstring(value, np.uint8), cv2.IMREAD_COLOR) data.append((img, target)) if n_records is not None and len(data) >= n_records: break env.close() print("=> Done ({:.4f} s)".format(time.time() - begin_st)) return data else: print("Not found lmdb file".format(lmdb_file)) def str2img(str_b): return cv2.imdecode(np.fromstring(str_b, np.uint8), cv2.IMREAD_COLOR) def img2str(img): return cv2.imencode('.jpg', img)[1].tostring() def md5(s): m = hashlib.md5() m.update(s) return m.hexdigest() def eval_model(model, ds, n_sample=None, ngpu=1, is_imagenet=False): import tqdm import torch from torch import nn from torch.autograd import Variable class ModelWrapper(nn.Module): def __init__(self, model): super(ModelWrapper, self).__init__() self.model = model self.mean = [0.485, 0.456, 0.406] self.std = [0.229, 0.224, 0.225] def forward(self, input): input.data.div_(255.) input.data[:, 0, :, :].sub_(self.mean[0]).div_(self.std[0]) input.data[:, 1, :, :].sub_(self.mean[1]).div_(self.std[1]) input.data[:, 2, :, :].sub_(self.mean[2]).div_(self.std[2]) return self.model(input) correct1, correct5 = 0, 0 n_passed = 0 if is_imagenet: model = ModelWrapper(model) model = model.eval() model = torch.nn.DataParallel(model, device_ids=range(ngpu)).cuda() n_sample = len(ds) if n_sample is None else n_sample for idx, (data, target) in enumerate(tqdm.tqdm(ds, total=n_sample)): n_passed += len(data) data = Variable(torch.FloatTensor(data)).cuda() indx_target = torch.LongTensor(target) output = model(data) bs = output.size(0) idx_pred = output.data.sort(1, descending=True)[1] idx_gt1 = indx_target.expand(1, bs).transpose_(0, 1) idx_gt5 = idx_gt1.expand(bs, 5) correct1 += idx_pred[:, :1].cpu().eq(idx_gt1).sum() correct5 += idx_pred[:, :5].cpu().eq(idx_gt5).sum() if idx >= n_sample - 1: break acc1 = correct1 * 1.0 / n_passed acc5 = correct5 * 1.0 / n_passed return acc1, acc5 def load_state_dict(model, model_urls, model_root): from torch.utils import model_zoo from torch import nn import re from collections import OrderedDict own_state_old = model.state_dict() own_state = OrderedDict() # remove all 'group' string for k, v in own_state_old.items(): k = re.sub('group\d+\.', '', k) own_state[k] = v state_dict = model_zoo.load_url(model_urls, model_root) for name, param in state_dict.items(): if name not in own_state: print(own_state.keys()) raise KeyError('unexpected key "{}" in state_dict' .format(name)) if isinstance(param, nn.Parameter): # backwards compatibility for serialized parameters param = param.data own_state[name].copy_(param) missing = set(own_state.keys()) - set(state_dict.keys()) no_use = set(state_dict.keys()) - set(own_state.keys()) if len(no_use) > 0: raise KeyError('some keys are not used: "{}"'.format(no_use))

py

pytorch-playground

pytorch-playground-master/utee/__init__.py

py

pytorch-playground

pytorch-playground-master/utee/selector.py

from utee import misc import os from imagenet import dataset print = misc.logger.info from IPython import embed known_models = [ 'mnist', 'svhn', # 28x28 'cifar10', 'cifar100', # 32x32 'stl10', # 96x96 'alexnet', # 224x224 'vgg16', 'vgg16_bn', 'vgg19', 'vgg19_bn', # 224x224 'resnet18', 'resnet34', 'resnet50', 'resnet101','resnet152', # 224x224 'squeezenet_v0', 'squeezenet_v1', #224x224 'inception_v3', # 299x299 ] def mnist(cuda=True, model_root=None): print("Building and initializing mnist parameters") from mnist import model, dataset m = model.mnist(pretrained=os.path.join(model_root, 'mnist.pth')) if cuda: m = m.cuda() return m, dataset.get, False def svhn(cuda=True, model_root=None): print("Building and initializing svhn parameters") from svhn import model, dataset m = model.svhn(32, pretrained=os.path.join(model_root, 'svhn.pth')) if cuda: m = m.cuda() return m, dataset.get, False def cifar10(cuda=True, model_root=None): print("Building and initializing cifar10 parameters") from cifar import model, dataset m = model.cifar10(128, pretrained=os.path.join(model_root, 'cifar10.pth')) if cuda: m = m.cuda() return m, dataset.get10, False def cifar100(cuda=True, model_root=None): print("Building and initializing cifar100 parameters") from cifar import model, dataset m = model.cifar100(128, pretrained=os.path.join(model_root, 'cifar100.pth')) if cuda: m = m.cuda() return m, dataset.get100, False def stl10(cuda=True, model_root=None): print("Building and initializing stl10 parameters") from stl10 import model, dataset m = model.stl10(32, pretrained=os.path.join(model_root, 'stl10.pth')) if cuda: m = m.cuda() return m, dataset.get, False def alexnet(cuda=True, model_root=None): print("Building and initializing alexnet parameters") from imagenet import alexnet as alx m = alx.alexnet(True, model_root) if cuda: m = m.cuda() return m, dataset.get, True def vgg16(cuda=True, model_root=None): print("Building and initializing vgg16 parameters") from imagenet import vgg m = vgg.vgg16(True, model_root) if cuda: m = m.cuda() return m, dataset.get, True def vgg16_bn(cuda=True, model_root=None): print("Building vgg16_bn parameters") from imagenet import vgg m = vgg.vgg16_bn(model_root) if cuda: m = m.cuda() return m, dataset.get, True def vgg19(cuda=True, model_root=None): print("Building and initializing vgg19 parameters") from imagenet import vgg m = vgg.vgg19(True, model_root) if cuda: m = m.cuda() return m, dataset.get, True def vgg19_bn(cuda=True, model_root=None): print("Building vgg19_bn parameters") from imagenet import vgg m = vgg.vgg19_bn(model_root) if cuda: m = m.cuda() return m, dataset.get, True def inception_v3(cuda=True, model_root=None): print("Building and initializing inception_v3 parameters") from imagenet import inception m = inception.inception_v3(True, model_root) if cuda: m = m.cuda() return m, dataset.get, True def resnet18(cuda=True, model_root=None): print("Building and initializing resnet-18 parameters") from imagenet import resnet m = resnet.resnet18(True, model_root) if cuda: m = m.cuda() return m, dataset.get, True def resnet34(cuda=True, model_root=None): print("Building and initializing resnet-34 parameters") from imagenet import resnet m = resnet.resnet34(True, model_root) if cuda: m = m.cuda() return m, dataset.get, True def resnet50(cuda=True, model_root=None): print("Building and initializing resnet-50 parameters") from imagenet import resnet m = resnet.resnet50(True, model_root) if cuda: m = m.cuda() return m, dataset.get, True def resnet101(cuda=True, model_root=None): print("Building and initializing resnet-101 parameters") from imagenet import resnet m = resnet.resnet101(True, model_root) if cuda: m = m.cuda() return m, dataset.get, True def resnet152(cuda=True, model_root=None): print("Building and initializing resnet-152 parameters") from imagenet import resnet m = resnet.resnet152(True, model_root) if cuda: m = m.cuda() return m, dataset.get, True def squeezenet_v0(cuda=True, model_root=None): print("Building and initializing squeezenet_v0 parameters") from imagenet import squeezenet m = squeezenet.squeezenet1_0(True, model_root) if cuda: m = m.cuda() return m, dataset.get, True def squeezenet_v1(cuda=True, model_root=None): print("Building and initializing squeezenet_v1 parameters") from imagenet import squeezenet m = squeezenet.squeezenet1_1(True, model_root) if cuda: m = m.cuda() return m, dataset.get, True def select(model_name, **kwargs): assert model_name in known_models, model_name kwargs.setdefault('model_root', os.path.expanduser('~/.torch/models')) return eval('{}'.format(model_name))(**kwargs) if __name__ == '__main__': m1 = alexnet() embed()

py

pytorch-playground

pytorch-playground-master/script/convert.py

import os import numpy as np import tqdm from utee import misc import argparse import cv2 import joblib parser = argparse.ArgumentParser(description='Extract the ILSVRC2012 val dataset') parser.add_argument('--in_file', default='val224_compressed.pkl', help='input file path') parser.add_argument('--out_root', default='/data/public_dataset/pytorch/imagenet-data/', help='output file path') args = parser.parse_args() d = misc.load_pickle(args.in_file) assert len(d['data']) == 50000, len(d['data']) assert len(d['target']) == 50000, len(d['target']) data299 = [] for img, target in tqdm.tqdm(zip(d['data'], d['target']), total=50000): img224 = misc.str2img(img) img299 = cv2.resize(img224, (299, 299)) data299.append(img299) data_dict299 = dict( data = np.array(data299).transpose(0, 3, 1, 2), target = d['target'] ) if not os.path.exists(args.out_root): os.makedirs(args.out_root) joblib.dump(data_dict299, os.path.join(args.out_root, 'val299.pkl')) data299.clear() data_dict299.clear() data224 = [] for img, target in tqdm.tqdm(zip(d['data'], d['target']), total=50000): img224 = misc.str2img(img) data224.append(img224) data_dict224 = dict( data = np.array(data224).transpose(0, 3, 1, 2), target = d['target'] ) joblib.dump(data_dict224, os.path.join(args.out_root, 'val224.pkl'))

py

coling2018-xling_argument_mining

coling2018-xling_argument_mining-master/code/annotationProjection/readDocs.py

import sys def readDoc(fn,index0=1): hh=[] hd = {} h=[] for line in open(fn): line = line.strip() if line=="": if h!=[]: hh.append(h) str=" ".join([x[0] for x in h]) hd[str] = h h=[] else: x = line.split("\t") word,label = x[index0],x[-1] h.append((word,label)) if h!=[]: hh.append(h) str=" ".join([x[0] for x in h]) hd[str] = h return hh,hd

py

coling2018-xling_argument_mining

coling2018-xling_argument_mining-master/code/annotationProjection/projectArguments.py

import sys from readDocs import readDoc as rd # project argument spans from source to target document # Steffen Eger # 03/2018 # SAMPLE USAGE: # python2 projectArguments.py train_full.dat test_full.dat dev_full.dat essays.aligned essays.aligned.bidirectional # # Inputs: # $x_full.dat: train, test, dev annotated data in source language # essays.aligned: aligned sentences in source and target language (source sentences must all be in train/dev/test.dat) # essays.aligned.bidirectional: word alignments (e.g., produced by fast_align) # Outputs: # my${x}_gen1.dat: train, test, dev projected annotation spans in the target language K=1 def isConsecutive(lst,descending=False): last = None for x in lst: if last is not None: next = last-1 if descending else last+1 if x!=next: return False last = x return True def findExtremeConsecutive(lst,reverse=True,k=1): s = sorted(lst,reverse=reverse) for ix,x in enumerate(s): mylst = s[ix:ix+k] if isConsecutive(mylst,descending=reverse): return x return s[0] def detect_bios(labels): indices = [] startComponent=False startindex = None type = None for index,tok in enumerate(labels): word,token = tok if startComponent==True and token.startswith("B-"): endindex = index-1 indices.append((startindex,endindex,type)) startindex = index type = token.split(":")[0][2:] startComponent = True elif startComponent==True and token.startswith("O"): endindex = index-1 indices.append((startindex,endindex,type)) startComponent = False elif token.startswith("B-"): type = token.split(":")[0][2:] startComponent = True startindex = index if token.startswith("I-"): endindex = index indices.append((startindex,endindex,type)) return indices def getTranslationIndices(indices,align): h = {} for y in align.split(): a,b = list(map(int,y.split("-"))) if a in h: h[a] = h[a]+[b] else: h[a] = [b] #print(h,align,indices) #sys.exit(1) aligns=[] for x in indices: start,end,type = x q = [] for z in range(start,end+1): #print("-->",z,h) #print(h[z]) q.append( h.get(z,None) ) qq = list(filter(lambda x: x!=None,q)) flat_list = [item for sublist in qq for item in sublist] #print("##->",flat_list,x) #print(flat_list); sys.exit(1) # YOU MAY WANT TO CHANGE THIS indexStart,indexEnd = min(flat_list),max(flat_list) for myK in range(K,0,-1): indexStart,indexEnd = findExtremeConsecutive(flat_list,reverse=False,k=K),findExtremeConsecutive(flat_list,reverse=True,k=myK) if len(aligns)>0: indexEndPrev = aligns[-1][1] indexStartPrev = aligns[-1][0] if indexStart<=indexEndPrev: sys.stderr.write("DOESN'T WORK OUT %d %d\n"%(indexStart,indexEndPrev)) if indexEnd<indexStartPrev: sys.stderr.write("Li'l non-monotonity\n") break indexStart = indexEndPrev+1 if indexStart<=indexEnd: break if indexStart>indexEnd: sys.stderr.write(str(aligns)) sys.stderr.write("ERROR SOMEWHERE: %d %d\n"%(indexStart,indexEnd)); #sys.exit(1) print(indices) aligns.append((indexStart,indexEnd,type)) #print(aligns) return aligns def printout(sequence,fout,type="O"): for itoken,token in enumerate(sequence): if type!="O": if itoken==0: pre="B-" else: pre="I-" else: pre="" fout.write(token+"\t"+pre+type+"\n") def process(sentences,sentences_alignments,labels,fout,verbose=False): n = len(sentences) last = 0 for i in range(len(sentences)): en,de = sentences[i] en_tokens = en.split() de_tokens = de.split() m = len(en_tokens) align = sentences_alignments[i].strip() curLabels = labels[last:last+m] indices = detect_bios(curLabels) last = last+m #print(en_tokens,"\t",curLabels,"\t",de_tokens,"\t",indices) #print(align) aligns = sorted( getTranslationIndices(indices,align) ) if verbose: print("ALIGNS",aligns,de) #if aligns!=[]: prev = 0 for start,end,type in aligns: if start>end: continue before = de_tokens[prev:start] middle = de_tokens[start:end+1] if before!=[]: printout(before,fout) printout(middle,fout,type) prev = end+1 after = de_tokens[prev:] if after!=[]: printout(after,fout) #sys.exit(1) train,train_hash = rd(sys.argv[1]) test,test_hash = rd(sys.argv[2]) dev,dev_hash = rd(sys.argv[3]) #print(train_hash) alignedText = sys.argv[4] alignments = sys.argv[5] fp_lines=open(alignments).readlines() acc=[] sentences=[] sentences_alignments=[] i=0 ftrain=open("mytrain_gen%d.dat"%K,"w") ftest=open("mytest_gen%d.dat"%K,"w") fdev=open("mydev_gen%d.dat"%K,"w") for line in open(alignedText): line = line.strip() en,de = line.split(" ||| ") sentences.append((en,de)) sentences_alignments.append(fp_lines[i]) acc+=en.split() acc_text = " ".join(acc) #print(acc_text+"<--") for hash in [train_hash,test_hash,dev_hash]: if acc_text in hash: if hash==train_hash: fout = ftrain elif hash==test_hash: fout = ftest elif hash==dev_hash: fout = fdev else: fout=None labels = hash[acc_text] process(sentences,sentences_alignments,labels,fout) fout.write("\n") acc = [] sentences=[] sentences_alignments=[] i+=1

py

checklist

checklist-master/setup.py

from setuptools import setup, find_packages from setuptools.command.develop import develop from setuptools.command.install import install from setuptools.command.bdist_egg import bdist_egg from setuptools.command.egg_info import egg_info from setuptools.command.build_py import build_py from subprocess import check_call import sys import os def enable_visual_interface(): check_call(f'"{sys.executable}"'+" -m pip install jupyter", shell=True) import notebook notebook.nbextensions.install_nbextension_python( "checklist.viewer", user=True, overwrite=True) notebook.nbextensions.enable_nbextension_python( "checklist.viewer") def enable_visual_interface_shell_cmd(direction): sys.path.append(direction) enable_visual_interface() #""" class PostDevelopCommand(develop): """Pre-installation for development mode.""" def run(self): develop.run(self) #enable_visual_interface() self.execute(enable_visual_interface_shell_cmd, (self.install_lib,), msg="Running post install task") class BdistEggCommand(bdist_egg): def run(self): bdist_egg.run(self) enable_visual_interface() #self.execute(enable_visual_interface_shell_cmd, (self.install_lib,), msg=f"Running post install task on {sys.executable}") class BuildPyCommand(build_py): def run(self): build_py.run(self) enable_visual_interface() #self.execute(enable_visual_interface_shell_cmd, (self.install_lib,), msg="Running post install task") class PostInstallCommand(install): def run(self): #super().do_egg_install() install.run(self) self.execute(enable_visual_interface_shell_cmd, (self.install_lib,), msg="Running post install task") #enable_visual_interface() class EggInfoCommand(egg_info): def run(self): egg_info.run(self) enable_visual_interface() #self.execute(enable_visual_interface_shell_cmd, (self.install_lib,), msg="Running post install task") setup(name='checklist', version='0.0.11', description='Beyond Accuracy: Behavioral Testing of NLP Models with CheckList', url='http://github.com/marcotcr/checklist', author='Marco Tulio Ribeiro', author_email='marcotcr@gmail.com', license='MIT', packages= find_packages(exclude=['js', 'node_modules', 'tests']), install_requires=[ 'numpy>=1.18', 'spacy>=2.2', 'munch>=2.5', 'dill>=0.3.1', 'jupyter>=1.0', 'ipywidgets>=7.5', 'transformers>=2.8', 'patternfork-nosql', 'iso-639' ], cmdclass={ 'develop': PostDevelopCommand, 'install': PostInstallCommand, 'bdist_egg': BdistEggCommand, 'egg_info': EggInfoCommand, 'build_py': BuildPyCommand, }, package_data={'viewer':['static/*'], "data": ["*"], 'checklist': ['data/*', 'data/lexicons/*', 'viewer/static/*']}, #include_package_data=True, zip_safe=False )

py

checklist

checklist-master/checklist/perturb.py

import numpy as np import collections import re import os import json import pattern from pattern.en import tenses from .editor import recursive_apply, MunchWithAdd def load_data(): cur_folder = os.path.dirname(__file__) basic = json.load(open(os.path.join(cur_folder, 'data', 'lexicons', 'basic.json'))) names = json.load(open(os.path.join(cur_folder, 'data', 'names.json'))) name_set = { x:set(names[x]) for x in names } data = { 'name': names, 'name_set': name_set, 'city': basic['city'], 'country': basic['country'], } return data def process_ret(ret, ret_m=None, meta=False, n=10): if ret: if len(ret) > n: idxs = np.random.choice(len(ret), n, replace=False) ret = [ret[i] for i in idxs] if ret_m: ret_m = [ret_m[i] for i in idxs] if meta: ret = (ret, ret_m) return ret return None class Perturb: data = load_data() @staticmethod def perturb(data, perturb_fn, keep_original=True, nsamples=None, *args, **kwargs): """Perturbs data according to some function Parameters ---------- data : list List of examples, could be strings, tuples, dicts, spacy docs, whatever perturb_fn : function Arguments: (example, *args, **kwargs) Returns: list of examples, or (examples, meta) if meta=True in **kwargs. Can also return None if perturbation does not apply, and it will be ignored. keep_original : bool if True, include original example (from data) in output nsamples : int number of examples in data to perturb meta : bool if True, perturb_fn returns (examples, meta), and meta is added to ret.meta Returns ------- MunchWithAdd will have .data and .meta (if meta=True in **kwargs) """ ret = MunchWithAdd() use_meta = kwargs.get('meta', False) ret_data = [] meta = [] order = list(range(len(data))) samples = 0 if nsamples: np.random.shuffle(order) for i in order: d = data[i] t = [] add = [] if keep_original: org = recursive_apply(d, str) t.append(org) add.append(None) p = perturb_fn(d, *args, **kwargs) a = [] x = [] if not p or all([not x for x in p]): continue if use_meta: p, a = p if type(p) in [np.array, list]: t.extend(p) add.extend(a) else: t.append(p) add.append(a) ret_data.append(t) meta.append(add) samples += 1 if nsamples and samples == nsamples: break ret.data = ret_data if use_meta: ret.meta = meta return ret @staticmethod def strip_punctuation(doc): """Removes punctuation Parameters ---------- doc : spacy.tokens.Doc spacy doc Returns ------- string With punctuation stripped """ # doc is a spacy doc while len(doc) and doc[-1].pos_ == 'PUNCT': doc = doc[:-1] return doc.text @staticmethod def punctuation(doc): """Perturbation function which adds / removes punctuations Parameters ---------- doc : spacy.tokens.Doc spacy doc Returns ------- list(string) With punctuation removed and / or final stop added. """ # doc is a spacy doc s = Perturb.strip_punctuation(doc) ret = [] if s != doc.text: ret.append(s) if s + '.' != doc.text: ret.append(s + '.') return ret @staticmethod def add_typos(string, typos=1): """Perturbation functions, swaps random characters with their neighbors Parameters ---------- string : str input string typos : int number of typos to add Returns ------- list(string) perturbed strings """ string = list(string) swaps = np.random.choice(len(string) - 1, typos) for swap in swaps: tmp = string[swap] string[swap] = string[swap + 1] string[swap + 1] = tmp return ''.join(string) @staticmethod def remove_negation(doc): """Removes negation from doc. This is experimental, may or may not work. Parameters ---------- doc : spacy.token.Doc input Returns ------- string With all negations removed """ # This removes all negations in the doc. I should maybe add an option to remove just some. notzs = [i for i, z in enumerate(doc) if z.lemma_ == 'not' or z.dep_ == 'neg'] new = [] for notz in notzs: before = doc[notz - 1] if notz != 0 else None after = doc[notz + 1] if len(doc) > notz + 1 else None if (after and after.pos_ == 'PUNCT') or (before and before.text in ['or']): continue new.append(notz) notzs = new if not notzs: return None ret = '' start = 0 for i, notz in enumerate(notzs): id_start = notz to_add = ' ' id_end = notz + 1 before = doc[notz - 1] if notz != 0 else None after = doc[notz + 1] if len(doc) > notz + 1 else None if before and before.lemma_ in ['will', 'can', 'do']: id_start = notz - 1 tenses = collections.Counter([x[0] for x in pattern.en.tenses(before.text)]).most_common(1) tense = tenses[0][0] if len(tenses) else 'present' p = pattern.en.tenses(before.text) params = [tense, 3] if p: tmp = [x for x in p if x[0] == tense] if tmp: params = list(tmp[0]) else: params = list(p[0]) to_add = ' '+ pattern.en.conjugate(before.lemma_, *params) + ' ' if before and after and before.lemma_ == 'do' and after.pos_ == 'VERB': id_start = notz - 1 tenses = collections.Counter([x[0] for x in pattern.en.tenses(before.text)]).most_common(1) tense = tenses[0][0] if len(tenses) else 'present' p = pattern.en.tenses(before.text) params = [tense, 3] if p: tmp = [x for x in p if x[0] == tense] if tmp: params = list(tmp[0]) else: params = list(p[0]) to_add = ' '+ pattern.en.conjugate(after.text, *params) + ' ' id_end = notz + 2 ret += doc[start:id_start].text + to_add start = id_end ret += doc[id_end:].text return ret @staticmethod def add_negation(doc): """Adds negation to doc This is experimental, may or may not work. It also only works for specific parses. Parameters ---------- doc : spacy.token.Doc input Returns ------- string With negations added """ for sentence in doc.sents: if len(sentence) < 3: continue root_id = [x.i for x in sentence if x.dep_ == 'ROOT'][0] root = doc[root_id] if '?' in sentence.text and sentence[0].text.lower() == 'how': continue if root.lemma_.lower() in ['thank', 'use']: continue if root.pos_ not in ['VERB', 'AUX']: continue neg = [True for x in sentence if x.dep_ == 'neg' and x.head.i == root_id] if neg: continue if root.lemma_ == 'be': if '?' in sentence.text: continue if root.text.lower() in ['is', 'was', 'were', 'am', 'are', '\'s', '\'re', '\'m']: return doc[:root_id + 1].text + ' not ' + doc[root_id + 1:].text else: return doc[:root_id].text + ' not ' + doc[root_id:].text else: aux = [x for x in sentence if x.dep_ in ['aux', 'auxpass'] and x.head.i == root_id] if aux: aux = aux[0] if aux.lemma_.lower() in ['can', 'do', 'could', 'would', 'will', 'have', 'should']: lemma = doc[aux.i].lemma_.lower() if lemma == 'will': fixed = 'won\'t' elif lemma == 'have' and doc[aux.i].text in ['\'ve', '\'d']: fixed = 'haven\'t' if doc[aux.i].text == '\'ve' else 'hadn\'t' elif lemma == 'would' and doc[aux.i].text in ['\'d']: fixed = 'wouldn\'t' else: fixed = doc[aux.i].text.rstrip('n') + 'n\'t' if lemma != 'will' else 'won\'t' fixed = ' %s ' % fixed return doc[:aux.i].text + fixed + doc[aux.i + 1:].text return doc[:root_id].text + ' not ' + doc[root_id:].text else: # TODO: does, do, etc. Remover return None de cima subj = [x for x in sentence if x.dep_ in ['csubj', 'nsubj']] p = pattern.en.tenses(root.text) tenses = collections.Counter([x[0] for x in pattern.en.tenses(root.text)]).most_common(1) tense = tenses[0][0] if len(tenses) else 'present' params = [tense, 3] if p: tmp = [x for x in p if x[0] == tense] if tmp: params = list(tmp[0]) else: params = list(p[0]) if root.tag_ not in ['VBG']: do = pattern.en.conjugate('do', *params) + 'n\'t' new_root = pattern.en.conjugate(root.text, tense='infinitive') else: do = 'not' new_root = root.text return '%s %s %s %s' % (doc[:root_id].text, do, new_root, doc[root_id + 1:].text) @staticmethod def contractions(sentence, **kwargs): """Perturbation functions, contracts and expands contractions if present Parameters ---------- sentence : str input Returns ------- list List of strings with contractions expanded or contracted, or [] """ expanded = [Perturb.expand_contractions(sentence), Perturb.contract(sentence)] return [t for t in expanded if t != sentence] @staticmethod def expand_contractions(sentence, **kwargs): """Expands contractions in a sentence (if any) Parameters ---------- sentence : str input string Returns ------- string String with contractions expanded (if any) """ contraction_map = { "ain't": "is not", "aren't": "are not", "can't": "cannot", "can't've": "cannot have", "could've": "could have", "couldn't": "could not", "didn't": "did not", "doesn't": "does not", "don't": "do not", "hadn't": "had not", "hasn't": "has not", "haven't": "have not", "he'd": "he would", "he'd've": "he would have", "he'll": "he will", "he's": "he is", "how'd": "how did", "how'd'y": "how do you", "how'll": "how will", "how's": "how is", "I'd": "I would", "I'll": "I will", "I'm": "I am", "I've": "I have", "i'd": "i would", "i'll": "i will", "i'm": "i am", "i've": "i have", "isn't": "is not", "it'd": "it would", "it'll": "it will", "it's": "it is", "ma'am": "madam", "might've": "might have", "mightn't": "might not", "must've": "must have", "mustn't": "must not", "needn't": "need not", "oughtn't": "ought not", "shan't": "shall not", "she'd": "she would", "she'll": "she will", "she's": "she is", "should've": "should have", "shouldn't": "should not", "that'd": "that would", "that's": "that is", "there'd": "there would", "there's": "there is", "they'd": "they would", "they'll": "they will", "they're": "they are", "they've": "they have", "wasn't": "was not", "we'd": "we would", "we'll": "we will", "we're": "we are", "we've": "we have", "weren't": "were not", "what're": "what are", "what's": "what is", "when's": "when is", "where'd": "where did", "where's": "where is", "where've": "where have", "who'll": "who will", "who's": "who is", "who've": "who have", "why's": "why is", "won't": "will not", "would've": "would have", "wouldn't": "would not", "you'd": "you would", "you'd've": "you would have", "you'll": "you will", "you're": "you are", "you've": "you have" } # self.reverse_contraction_map = dict([(y, x) for x, y in self.contraction_map.items()]) contraction_pattern = re.compile(r'\b({})\b'.format('|'.join(contraction_map.keys())), flags=re.IGNORECASE|re.DOTALL) def expand_match(contraction): match = contraction.group(0) first_char = match[0] expanded_contraction = contraction_map.get(match, contraction_map.get(match.lower())) expanded_contraction = first_char + expanded_contraction[1:] return expanded_contraction return contraction_pattern.sub(expand_match, sentence) @staticmethod def contract(sentence, **kwargs): """Contract expanded contractions in a sentence (if any) Parameters ---------- sentence : str input string Returns ------- string String with contractions contracted (if any) """ reverse_contraction_map = { 'is not': "isn't", 'are not': "aren't", 'cannot': "can't", 'could not': "couldn't", 'did not': "didn't", 'does not': "doesn't", 'do not': "don't", 'had not': "hadn't", 'has not': "hasn't", 'have not': "haven't", 'he is': "he's", 'how did': "how'd", 'how is': "how's", 'I would': "I'd", 'I will': "I'll", 'I am': "I'm", 'i would': "i'd", 'i will': "i'll", 'i am': "i'm", 'it would': "it'd", 'it will': "it'll", 'it is': "it's", 'might not': "mightn't", 'must not': "mustn't", 'need not': "needn't", 'ought not': "oughtn't", 'shall not': "shan't", 'she would': "she'd", 'she will': "she'll", 'she is': "she's", 'should not': "shouldn't", 'that would': "that'd", 'that is': "that's", 'there would': "there'd", 'there is': "there's", 'they would': "they'd", 'they will': "they'll", 'they are': "they're", 'was not': "wasn't", 'we would': "we'd", 'we will': "we'll", 'we are': "we're", 'were not': "weren't", 'what are': "what're", 'what is': "what's", 'when is': "when's", 'where did': "where'd", 'where is': "where's", 'who will': "who'll", 'who is': "who's", 'who have': "who've", 'why is': "why's", 'will not': "won't", 'would not': "wouldn't", 'you would': "you'd", 'you will': "you'll", 'you are': "you're", } reverse_contraction_pattern = re.compile(r'\b({})\b '.format('|'.join(reverse_contraction_map.keys())), flags=re.IGNORECASE|re.DOTALL) def cont(possible): match = possible.group(1) first_char = match[0] expanded_contraction = reverse_contraction_map.get(match, reverse_contraction_map.get(match.lower())) expanded_contraction = first_char + expanded_contraction[1:] + ' ' return expanded_contraction return reverse_contraction_pattern.sub(cont, sentence) @staticmethod def change_names(doc, meta=False, n=10, first_only=False, last_only=False, seed=None): """Replace names with other names Parameters ---------- doc : spacy.token.Doc input meta : bool if True, will return list of (orig_name, new_name) as meta n : int number of names to replace original names with first_only : bool if True, will only replace first names last_only : bool if True, will only replace last names seed : int random seed Returns ------- list(str) if meta=True, returns (list(str), list(tuple)) Strings with names replaced. """ if seed is not None: np.random.seed(seed) ents = [x.text for x in doc.ents if np.all([a.ent_type_ == 'PERSON' for a in x])] ret = [] ret_m = [] for x in ents: f = x.split()[0] sex = None if f.capitalize() in Perturb.data['name_set']['women']: sex = 'women' if f.capitalize() in Perturb.data['name_set']['men']: sex = 'men' if not sex: continue if len(x.split()) > 1: l = x.split()[1] if len(l) > 2 and l.capitalize() not in Perturb.data['name_set']['last']: continue else: if last_only: return None names = Perturb.data['name'][sex][:90+n] to_use = np.random.choice(names, n) if not first_only: f = x if len(x.split()) > 1: last = Perturb.data['name']['last'][:90+n] last = np.random.choice(last, n) to_use = ['%s %s' % (x, y) for x, y in zip(names, last)] if last_only: to_use = last f = x.split()[1] for y in to_use: ret.append(re.sub(r'\b%s\b' % re.escape(f), y, doc.text)) ret_m.append((f, y)) return process_ret(ret, ret_m=ret_m, n=n, meta=meta) @staticmethod def change_location(doc, meta=False, seed=None, n=10): """Change city and country names Parameters ---------- doc : spacy.token.Doc input meta : bool if True, will return list of (orig_loc, new_loc) as meta seed : int random seed n : int number of locations to replace original locations with Returns ------- list(str) if meta=True, returns (list(str), list(tuple)) Strings with locations replaced. """ if seed is not None: np.random.seed(seed) ents = [x.text for x in doc.ents if np.all([a.ent_type_ == 'GPE' for a in x])] ret = [] ret_m = [] for x in ents: if x in Perturb.data['city']: names = Perturb.data['city'][:100] elif x in Perturb.data['country']: names = Perturb.data['country'][:50] else: continue sub_re = re.compile(r'\b%s\b' % re.escape(x)) to_use = np.random.choice(names, n) ret.extend([sub_re.sub(n, doc.text) for n in to_use]) ret_m.extend([(x, n) for n in to_use]) return process_ret(ret, ret_m=ret_m, n=n, meta=meta) @staticmethod def change_number(doc, meta=False, seed=None, n=10): """Change integers to other integers within 20% of the original integer Does not change '2' or '4' to avoid abbreviations (this is 4 you, etc) Parameters ---------- doc : spacy.token.Doc input meta : bool if True, will return list of (orig_number, new_number) as meta seed : int random seed n : int number of numbers to replace original locations with Returns ------- list(str) if meta=True, returns (list(str), list(tuple)) Strings with numbers replaced. """ if seed is not None: np.random.seed(seed) nums = [x.text for x in doc if x.text.isdigit()] ret = [] ret_m = [] for x in nums: # e.g. this is 4 you if x == '2' or x == '4': continue sub_re = re.compile(r'\b%s\b' % x) try: change = int(int(x) * .2) + 1 except: continue to_sub = np.random.randint(-min(change, int(x) - 1), change + 1, n * 3) to_sub = ['%s' % str(int(x) + t) for t in to_sub if str(int(x) + t) != x][:n] ret.extend([sub_re.sub(n, doc.text) for n in to_sub]) ret_m.extend([(x, n) for n in to_sub]) return process_ret(ret, ret_m=ret_m, n=n, meta=meta)

py

checklist

checklist-master/checklist/test_suite.py

import collections from collections import defaultdict, OrderedDict import dill import json from .abstract_test import load_test, read_pred_file from .test_types import MFT, INV, DIR from .viewer.suite_summarizer import SuiteSummarizer class TestSuite: def __init__(self, format_example_fn=None, print_fn=None): self.tests = OrderedDict() self.info = defaultdict(lambda: defaultdict(lambda: '')) self.format_example_fn = format_example_fn self.print_fn = print_fn self.test_ranges = {} @staticmethod def from_file(path): """Loads suite from file Parameters ---------- path : string pickled (dill) file Returns ------- TestSuite the suite """ return load_test(path) def add(self, test, name=None, capability=None, description=None, format_example_fn=None, print_fn=None, overwrite=False): """Adds a test to suite Parameters ---------- test : AbstractTest test name : string test name. If test has test.name, this is optional. capability : string test capability. If test has test.capability, this is optional. description : string test description. If test has test.capability, this is optional. format_example_fn : function If not None, use this to print a failed example within a test case Arguments: (x, pred, conf, label=None, meta=None) print_fn : function If not None, use this to print a failed test case. Arguments: (xs, preds, confs, expect_results, labels=None, meta=None) overwrite : bool If False, will raise exception if test with same name is already in suite. """ if name is None and test.name is None: raise(Exception('If test does not have test.name, you must specify a name')) if capability is None and test.capability is None: raise(Exception('If test does not have test.capabiliy, you must specify a capability')) if name is None: name = test.name if capability is None: capability = test.capability if description is None: description = test.description if name in self.tests and not overwrite: raise(Exception('There is already a test named %s suite. Run with overwrite=True to overwrite' % name)) if name in self.info: del self.info[name] type_map = { MFT: 'MFT', INV: 'INV', DIR: 'DIR', } typez = type_map[type(test)] self.tests[name] = test self.info[name]['capability'] = capability self.info[name]['type'] = typez if description: self.info[name]['description'] = description if format_example_fn: self.info[name]['format_example_fn'] = format_example_fn if print_fn: self.info[name]['print_fn'] = format_example_fn def remove(self, name): """Removes test from suite Parameters ---------- name : string test name """ if name not in self.tests: raise(Exception('%s not in suite.' % name)) del self.tests[name] del self.info[name] def to_dict(self, example_to_dict_fn=None, n=None, seed=None, new_sample=False): if example_to_dict_fn is None: try: example_to_dict_fn = self.example_to_dict_fn except AttributeError: raise(Exception('suite does not have example_to_dict_fn, must pass function as argument.')) examples = self.get_raw_examples(format_fn=lambda x:x, n=n, seed=seed, new_sample=new_sample) data_keys = list(example_to_dict_fn(examples[0]).keys()) keys = data_keys + ['test_name', 'test_case', 'example_idx'] hf_dict = { k:[] for k in keys } for e in examples: m = example_to_dict_fn(e) for k,v in m.items(): hf_dict[k].append(v) for test_name, r in sorted(self.test_ranges.items(), key=lambda x:x[1][0]): test = self.tests[test_name] size = r[1] - r[0] hf_dict['test_name'].extend([test_name for _ in range(size)]) hf_dict['test_case'].extend(test.result_indexes) cnt = collections.defaultdict(lambda: 0) example_idx = [] for i in test.result_indexes: example_idx.append(cnt[i]) cnt[i] += 1 hf_dict['example_idx'].extend(example_idx) return hf_dict def get_raw_examples(self, file_format=None, format_fn=None, n=None, seed=None, new_sample=True): if new_sample or len(self.test_ranges) == 0: self.test_ranges = {} all_examples = self.create_raw_example_list(file_format=file_format, format_fn=format_fn, n=n, seed=seed) else: all_examples = self.get_raw_example_list(file_format=file_format, format_fn=format_fn) return all_examples def get_raw_example_list(self, file_format=None, format_fn=None): if not self.test_ranges: raise(Exception('example list not created. please call create_raw_example_list, or to_raw_file first')) examples = [] for test_name, r in sorted(self.test_ranges.items(), key=lambda x:x[1][0]): test = self.tests[test_name] test_examples = test.to_raw_examples(file_format=file_format, format_fn=format_fn, n=None, seed=None, new_sample=False) assert len(test_examples) == r[1] - r[0] examples.extend(test_examples) return examples def create_raw_example_list(self, file_format, format_fn, n, seed): self.test_ranges = {} current_idx = 0 all_examples = [] for name, t in self.tests.items(): examples = t.to_raw_examples(file_format=file_format, format_fn=format_fn, n=n, seed=seed, new_sample=True) self.test_ranges[name] = (current_idx, current_idx + len(examples)) current_idx += len(examples) all_examples.extend(examples) return all_examples def to_raw_file(self, path, file_format=None, format_fn=None, header=None, n=None, seed=None, new_sample=True): """Flatten all tests into individual examples and print them to file. Indices of example to test case will be stored in each test. If n is not None, test.run_idxs will store the test case indexes. The line ranges for each test will be saved in self.test_ranges. Parameters ---------- path : string File path file_format : string, must be one of 'jsonl', 'squad', 'qqp_test', or None None just calls str(x) for each example in self.data squad assumes x has x['question'] and x['passage'], or that format_fn does this format_fn : function or None If not None, call this function to format each example in self.data header : string If not None, first line of file n : int If not None, number of samples to draw seed : int Seed to use if n is not None new_sample: bool If False, will rely on a previous sample and ignore the 'n' and 'seed' parameters """ ret = '' all_examples = [] add_id = False if file_format == 'qqp_test': add_id = True file_format = 'tsv' header = 'id\tquestion1\tquestion2' if header is not None: ret += header.strip('\n') + '\n' all_examples = self.get_raw_examples(file_format=file_format, format_fn=format_fn, n=n, seed=seed, new_sample=new_sample) if add_id and file_format == 'tsv': all_examples = ['%d\t%s' % (i, x) for i, x in enumerate(all_examples)] if file_format == 'squad': ret_map = {'version': 'fake', 'data': []} for i, x in enumerate(all_examples): r = {'title': '', 'paragraphs': [{ 'context': x['passage'], 'qas': [{'question' : x['question'], 'id': str(i) }] }] } ret_map['data'].append(r) ret = json.dumps(ret_map) else: ret += '\n'.join(all_examples) f = open(path, 'w') f.write(ret) f.close() def run_from_preds_confs(self, preds, confs, overwrite): for n, t in self.tests.items(): p = preds[slice(*self.test_ranges[n])] c = confs[slice(*self.test_ranges[n])] t.run_from_preds_confs(p, c, overwrite=overwrite) def run_from_file(self, path, file_format=None, format_fn=None, ignore_header=False, overwrite=False): """Update test.results (run tests) for every test, from a prediction file Parameters ---------- path : string prediction file path file_format : string None, or one of 'pred_only', 'softmax', binary_conf', 'pred_and_conf', 'pred_and_softmax', 'squad', pred_only: each line has a prediction softmax: each line has prediction probabilities separated by spaces binary_conf: each line has the prediction probability of class 1 (binary) pred_and_conf: each line has a prediction and a confidence value, separated by a space pred_and_softmax: each line has a prediction and all softmax probabilities, separated by a space squad: TODO format_fn : function If not None, function that reads a line in the input file and outputs a tuple of (prediction, confidence) ignore_header : bool If True, skip first line in the file overwrite : bool If False, raise exception if results already exist """ preds, confs = read_pred_file(path, file_format=file_format, format_fn=format_fn, ignore_header=ignore_header) self.run_from_preds_confs(preds, confs, overwrite=overwrite) def run(self, predict_and_confidence_fn, verbose=True, **kwargs): """Runs all tests in the suite See run in abstract_test.py . Parameters ---------- predict_and_confidence_fn : function Takes as input a list of examples Outputs a tuple (predictions, confidences) overwrite : bool If False, raise exception if results already exist verbose : bool If True, print extra information n : int If not None, number of samples to draw seed : int Seed to use if n is not None """ for n, t in self.tests.items(): if verbose: print('Running', n) t.run(predict_and_confidence_fn, verbose=verbose, **kwargs) def summary(self, types=None, capabilities=None, **kwargs): """Print stats and example failures for each test. See summary in abstract_test.py Parameters ---------- types : list(string) If not None, will only show tests of these test types. Options are MFT, INV, and DIR capabilities : list(string) If not None, will only show tests with these capabilities. **kwargs : type Will be passed as arguments to each test.summary() """ vals = collections.defaultdict(lambda: 100, {'MFT': 0, 'INV': 1, 'DIR': 2}) tests = self.tests.keys() capability_order = ['Vocabulary', 'Taxonomy', 'Robustness', 'NER', 'Fairness', 'Temporal', 'Negation', 'Coref', 'SRL', 'Logic'] cap_order = lambda x:capability_order.index(x) if x in capability_order else 100 caps = sorted(set([x['capability'] for x in self.info.values()]), key=cap_order) for capability in caps: if capabilities is not None and capability not in capabilities: continue print(capability) print() tests = [x for x in self.tests if self.info[x]['capability'] == capability] for n in tests: if types is not None and self.info[n]['type'] not in types: continue print(n) if 'format_example_fn' not in kwargs: kwargs['format_example_fn'] = self.info[n].get('format_example_fn', self.format_example_fn) if 'print_fn' not in kwargs: kwargs['print_fn'] = self.info[n].get('print_fn', self.print_fn) self.tests[n].summary(**kwargs) print() print() print() print() def visual_summary_by_test(self, testname): """Displays visual summary for a single test. Parameters ---------- testname : string name of the test Returns ------- test.visual_summary summary """ if not testname in self.tests: raise(Exception(f"There's no test named {testname} in the suite!")) test, info = self.tests[testname], self.info[testname] return test.visual_summary( name=testname, capability=info["capability"] if "capability" in info else None, description=info["description"] if "description" in info else None ) def _on_select_test(self, testname: str): if not testname: test_info, testcases = {}, [] else: if not testname in self.tests: raise(Exception(f"There's no test named {testname} in the suite!")) test, info = self.tests[testname], self.info[testname] test_info = test.form_test_info( name=testname, capability=info["capability"] if "capability" in info else None, description=info["description"] if "description" in info else None ) n = 1 if self.info[testname]['type'] == 'MFT' else 2 testcases = test.form_testcases(n_per_testcase=n) return test_info, testcases def visual_summary_table(self, types=None, capabilities=None): """Displays a matrix visualization of the test suite Parameters ---------- types : list(string) If not None, will only show tests of these test types. Options are MFT, INV, and DIR capabilities : list(string) If not None, will only show tests with these capabilities. Returns ------- SuiteSummarizer jupyter visualization """ print("Please wait as we prepare the table data...") test_infos = [] for testname in self.tests.keys(): test, info = self.tests[testname], self.info[testname] local_info = test.form_test_info( name=testname, capability=info["capability"] if "capability" in info else None, description=info["description"] if "description" in info else None ) if (not capabilities or local_info["capability"] in capabilities) and \ (not types or local_info["type"] in types): test_infos.append(local_info) capability_order = ['Vocabulary', 'Taxonomy', 'Robustness', 'NER', 'Fairness', 'Temporal', 'Negation', 'Coref', 'SRL', 'Logic'] cap_order = lambda x: capability_order.index(x["capability"]) if x in capability_order else 100 test_infos = sorted(test_infos, key=cap_order) return SuiteSummarizer( test_infos=test_infos, select_test_fn=self._on_select_test ) def save(self, path): """Serializes the suite and saves it to a file Parameters ---------- path : string output file path """ dill.dump(self, open(path, 'wb'), recurse=True)

py

checklist

checklist-master/checklist/test_types.py

from .abstract_test import AbstractTest from .expect import Expect class MFT(AbstractTest): def __init__(self, data, expect=None, labels=None, meta=None, agg_fn='all', templates=None, name=None, capability=None, description=None): """Minimum Functionality Test Parameters ---------- data : list List or list(lists) of whatever the model takes as input. Strings, tuples, etc. expect : function Expectation function, takes an AbstractTest (self) as parameter see expect.py for details labels : single value (int, str, etc) or list If list, must be the same length as data meta : list metadata for examples, must be the same length as data agg_fn : function, or string in ['all', 'all_except_first'] Aggregation function for expect function, if each element in data is a list. Takes as input a numpy array, outputs a boolean. templates : list(tuple) Parameters used to generate the data. Use ret.templates from editor.template name : str test name capability : str test capability description : str test description """ if labels is None and expect is None: raise(Exception('Must specify either \'expect\' or \'labels\'')) if labels is not None and expect is None: expect = Expect.eq() super().__init__(data, expect, labels=labels, meta=meta, agg_fn=agg_fn, templates=templates, print_first=False, name=name, capability=capability, description=description) class INV(AbstractTest): def __init__(self, data, expect=None, threshold=0.1, meta=None, agg_fn='all_except_first', templates=None, name=None, capability=None, description=None, labels=None): """Invariance Test Parameters ---------- data : list List or list(lists) of whatever the model takes as input. Strings, tuples, etc. expect : function Expectation function, takes an AbstractTest (self) as parameter see expect.py for details. If None, will be Invariance with threshold threshold : float Prediction probability threshold for invariance. Will consider pairs invariant even if prediction is the same when difference in probability is smaller than threshold. meta : list metadata for examples, must be the same length as data agg_fn : function, or string in ['all', 'all_except_first'] Aggregation function for expect function, if each element in data is a list. Takes as input a numpy array, outputs a boolean. templates : list(tuple) Parameters used to generate the data. Use ret.templates from editor.template name : str test name capability : str test capability description : str test description labels : single value (int, str, etc) or list If list, must be the same length as data """ if expect is None: expect = Expect.inv(threshold) super().__init__(data, expect, labels=labels, meta=meta, agg_fn=agg_fn, templates=templates, print_first=True, name=name, capability=capability, description=description) class DIR(AbstractTest): def __init__(self, data, expect, meta=None, agg_fn='all_except_first', templates=None, name=None, labels=None, capability=None, description=None): """Directional Expectation Test Parameters ---------- data : list List or list(lists) of whatever the model takes as input. Strings, tuples, etc. expect : function Expectation function, takes an AbstractTest (self) as parameter see expect.py for details. meta : list metadata for examples, must be the same length as data agg_fn : function, or string in ['all', 'all_except_first'] Aggregation function for expect function, if each element in data is a list. Takes as input a numpy array, outputs a boolean. templates : list(tuple) Parameters used to generate the data. Use ret.templates from editor.template name : str test name labels : single value (int, str, etc) or list If list, must be the same length as data capability : str test capability description : str test description """ super().__init__(data, expect, labels=labels, meta=meta, agg_fn=agg_fn, templates=templates, print_first=True, name=name, capability=capability, description=description)

py

checklist

checklist-master/checklist/editor.py

import collections import itertools import string import numpy as np import re import copy import os import json import munch import pickle import csv from .viewer.template_editor import TemplateEditor from .multilingual import multilingual_params, get_language_code class MunchWithAdd(munch.Munch): def __add__(self, other): temp = copy.deepcopy(self) for k in self: try: temp[k] = temp[k] + other[k] except KeyError: raise Exception('Both Munches must have the same keys') return temp def __iadd__(self, other): for k in self: self[k] = self[k] + other[k] return self def __hash__(self): return hash(self.toJSON()) class SafeFormatter(string.Formatter): def vformat(self, format_string, args, kwargs): args_len = len(args) # for checking IndexError tokens = [] for (lit, name, spec, conv) in self.parse(format_string): # re-escape braces that parse() unescaped lit = lit.replace('{', '{{').replace('}', '}}') # only lit is non-None at the end of the string if name is None: tokens.append(lit) else: # but conv and spec are None if unused conv = '!' + conv if conv else '' spec = ':' + spec if spec else '' # name includes indexing ([blah]) and attributes (.blah) # so get just the first part fp = name.split('[')[0].split('.')[0] # treat as normal if fp is empty (an implicit # positional arg), a digit (an explicit positional # arg) or if it is in kwargs if not fp or fp.isdigit() or fp in kwargs: tokens.extend([lit, '{', name, conv, spec, '}']) # otherwise escape the braces else: tokens.extend([lit, '{{', name, conv, spec, '}}']) format_string = ''.join(tokens) # put the string back together # finally call the default formatter return string.Formatter.vformat(self, format_string, args, kwargs) def recursive_format(obj, mapping, ignore_missing=False): """Formats all strings within an object, using mapping Parameters ---------- obj : string, tuple, list, or dict Object (leaves must be strings, regardless of type) mapping : dict format dictionary, maps keys to values ignore_missing : bool If True, will not throw exception if a string contains a tag not present in mapping, and will keep the tag instead. Returns ------- string, tuple, list, or dict Object of the same type as obj, with strings formatted (tags replaced by their value) """ def formatfn(x, mapping): fmt = SafeFormatter() formatz = lambda x, m: x.format(**m) if not ignore_missing else fmt.format(x, **m) options = re.compile(r'{([^}]+):([^}]+)}') def mysub(match): options, thing = match.group(1, 2) ret = '' if 'a' in options: if ignore_missing and thing not in mapping: return match.group() else: word = formatz('{%s}' % thing, mapping) ret += '%s ' % add_article(word).split()[0] ret += '{%s}' % thing return ret x = options.sub(mysub, x) return formatz(x, mapping) return recursive_apply(obj, formatfn, mapping) def recursive_apply(obj, fn, *args, **kwargs): """Recursively applies a function to an obj Parameters ---------- obj : string, tuple, list, or dict Object (leaves must be strings, regardless of type) fn : function function to be applied to the leaves (strings) Returns ------- string, tuple, list, or dict Object of the same type as obj, with fn applied to leaves """ if type(obj) in [str, bytes]: return fn(obj, *args, **kwargs)#obj.format(**(mapping)) elif type(obj) == tuple: return tuple(recursive_apply(list(obj), fn, *args, **kwargs)) elif type(obj) == list: return [recursive_apply(o, fn, *args, **kwargs) for o in obj] elif type(obj) == dict: return {k: recursive_apply(v, fn, *args, **kwargs) for k, v in obj.items()} else: return fn(obj, *args, **kwargs) # return obj def replace_mask(text): """Replaces multiple instances of mask with indexed versions. Parameters ---------- text : string masked input, e.g. "This is a {mask} {mask} and {mask}" Returns ------- string multiple instances of the same mask are replaced with indexed versions e.g. "This is a {mask[0]} {mask[1]} and {mask[2]} """ mask_finder = re.compile(r'\{((?:[^\}]*:)?mask\d*)\}') i = 0 while mask_finder.search(text): text = mask_finder.sub(r'{\1[%d]}' % i, text, 1) i += 1 return text def add_article(noun): return 'an %s' % noun if noun[0].lower() in ['a', 'e', 'i', 'o', 'u'] else 'a %s' % noun def find_all_keys(obj): """Finds all tag keys in object Parameters ---------- obj : string, tuple, list, or dict Object (leaves must be strings, regardless of type) Returns ------- set Set of all keys (with options) """ strings = get_all_strings(obj) ret = set() for s in strings: f = string.Formatter() for x in f.parse(s): r = x[1] if not x[2] else '%s:%s' % (x[1], x[2]) ret.add(r) return set([x for x in ret if x]) def get_mask_index(obj): """Find all masked strings in obj and index them by mask id Parameters ---------- obj : string, tuple, list, or dict Object (leaves must be strings, regardless of type) Returns ------- tuple(dict, dict) First dict is a map from mask id to list of strings Second dict is a map from mask id to options """ strings = get_all_strings(obj) # ?: after parenthesis makes group non-capturing mask_finder = re.compile(r'\{(?:[^\}]*:)?mask\d*\}') mask_rep = re.compile(r'[\{\}]') find_options = re.compile(r'.*:') ret = collections.defaultdict(lambda: []) options = collections.defaultdict(lambda: '') for s in strings: masks = mask_finder.findall(s) nooptions = [mask_rep.sub('', find_options.sub('', x)) for x in masks] ops = [find_options.search(mask_rep.sub('', x)) for x in masks] ops = [x.group().strip(':') for x in ops if x] if len(set(nooptions)) > 1: raise Exception('Can only have one mask index per template string') if nooptions: ret[nooptions[0]].append(s) options[nooptions[0]] += ''.join(ops) return ret, options def get_all_strings(obj): """Returns all strings in obj Parameters ---------- obj : string, tuple, list, or dict Object (leaves must be strings, regardless of type) Returns ------- set All strings in obj leaves. """ ret = set() if type(obj) in [str, bytes]: ret.add(obj) elif type(obj) in [tuple, list, dict]: if type(obj) == dict: obj = obj.values() k = [get_all_strings(x) for x in obj] k = [x for x in k if x] for x in k: ret = ret.union(x) return set([x for x in ret if x]) def get_all_strings_ordered(obj): ret = list() if type(obj) in [str, bytes]: ret.append(obj) elif type(obj) in [tuple, list, dict]: if type(obj) == dict: obj = obj.values() k = [get_all_strings(x) for x in obj] for x in k: ret += x return [x for x in ret if x] def wrapped_random_choice(x, *args, **kwargs): try: return np.random.choice(x, *args, **kwargs) except: idxs = np.random.choice(len(x), *args, **kwargs) return type(x)([x[i] for i in idxs]) class Editor(object): def __init__(self, language='english', model_name=None): self.lexicons = {} self.data = {} self.tg_params = { 'language': language, } if model_name is not None: self.tg_params['model_name'] = model_name self._load_lexicons(language) self.selected_suggestions = [] def _load_lexicons(self, language): cur_folder = os.path.dirname(__file__) folder = os.path.abspath(os.path.join(cur_folder, "data", 'lexicons')) for f in os.listdir(folder): self.lexicons.update(json.load(open(os.path.join(folder, f)))) self.data['names'] = json.load(open(os.path.join(cur_folder, 'data', 'names.json'))) self.data['names'] = {x:set(self.data['names'][x]) for x in self.data['names']} make_munch = lambda x: munch.Munch(x) if type(x) == dict else x for x in self.lexicons: self.lexicons[x] = [make_munch(x) for x in self.lexicons[x]] language = get_language_code(language) wikidata = pickle.load(open(os.path.join(cur_folder, 'data', 'wikidata.pkl'), 'rb')) get_ln = lambda d: d.get(language, d.get('en')) self.lexicons['male'] = get_ln(wikidata.mnames) self.lexicons['female'] = get_ln(wikidata.fnames) self.lexicons['first_name'] = [y for x in zip(self.lexicons['male'], self.lexicons['female']) for y in x] self.lexicons['last_name'] = get_ln(wikidata.lnames) self.lexicons['country'] = [get_ln(x.label) for x in wikidata.countries] # united states by default self.lexicons['city'] = [get_ln(x.label) for x in wikidata.countries[2].cities] # Most populous country that has language as official language for country in wikidata.countries: if country.primary_lang == language: self.lexicons['city'] = [get_ln(x.label) for x in country.cities] break self.lexicons['country_city'] = munch.Munch() for country in wikidata.countries: l = country.label.en.replace(' ', '_') self.lexicons['country_city'][l] = [get_ln(x.label) for x in country.cities] self.lexicons['male_from'] = wikidata.male_by_country self.lexicons['female_from'] = wikidata.female_by_country self.lexicons['last_from'] = wikidata.last_by_country self.lexicons = munch.Munch(self.lexicons) def __getattr__(self, attr): if attr == 'tg': from .text_generation import TextGenerator params = multilingual_params(**self.tg_params) self.tg = TextGenerator(**params) return self.tg else: raise AttributeError def suggest_replace(self, text, word, full_sentences=False, words_and_sentences=False, **kwargs): """Masked language model suggestion for replacing word in sentence Parameters ---------- text : str context word : str word to be replaced full_sentences : bool If True, returns full sentences with replaced suggestions words_and_sentences : bool If True, returns tuples of (replacement word, full_sentence) Returns ------- list Default: list of strings, suggestions for replacements If full_sentences or words_and_sentences: see documentation above. """ ret = self.tg.replace_word(text, word, **kwargs) if kwargs.get('verbose', False): print('\n'.join(['%6s %s' % ('%.2f' % x[2], x[1]) for x in ret[:5]])) if words_and_sentences: return [(tuple(x[0]), x[1]) if len(x[0]) > 1 else (x[0][0], x[1]) for x in ret] if full_sentences: return [x[1] for x in ret] else: return [tuple(x[0]) if len(x[0]) > 1 else x[0][0] for x in ret] def _wordnet_stuff(self, templates, word, type, threshold=5, depth=3, pos=None, **kwargs): texts = self.template(templates, unroll=True, **kwargs).data idxs = np.random.choice(len(texts), min(10, len(texts)), replace=False) texts = [texts[i] for i in idxs] if type != 'related' and any([word not in x for x in texts]): raise Exception('word %s must be in all templates' % word) fn = {'antonyms': self.tg.antonyms, 'synonyms': self.tg.synonyms, 'related': self.tg.related_words, 'hypernyms': self.tg.more_general, 'hyponyms': self.tg.more_specific, }[type] return [x[0][0] for x in fn(texts, word, threshold=threshold, pos=pos, depth=depth)] def antonyms(self, templates, word, threshold=5, **kwargs): """Find antonyms of word that fit in templates Parameters ---------- templates : str, list, tuple, or dict On leaves: templates with {tags}, which will be substituted for mapping in **kwargs word : str Word for which we want antonyms threshold : float Maximum allowed log likelihood difference between word and antonym in context Returns ------- list List of antonyms that fit the given templates """ return self._wordnet_stuff(templates, word, 'antonyms', threshold=threshold, **kwargs) def synonyms(self, templates, word, threshold=5, **kwargs): """Find synonyms of word that fit in templates Parameters ---------- templates : str, list, tuple, or dict On leaves: templates with {tags}, which will be substituted for mapping in **kwargs word : str Word for which we want synonyms threshold : float Maximum allowed log likelihood difference between word and antonym in context Returns ------- list List of synonyms that fit the given templates """ return self._wordnet_stuff(templates, word, 'synonyms', threshold=threshold, **kwargs) def related_words(self, templates, word, threshold=5, **kwargs): """Find words that are related to word that fit in templates By related words, we mean hyponyms of the word's hypernyms Parameters ---------- templates : str, list, tuple, or dict On leaves: templates with {tags}, which will be substituted for mapping in **kwargs word : str Word for which we want related words threshold : float Maximum allowed log likelihood difference between word and antonym in context Returns ------- list List of related words that fit the given templates """ return self._wordnet_stuff(templates, word, 'related', threshold=threshold, **kwargs) def hypernyms(self, templates, word, threshold=5, **kwargs): """Find hypernyms of word that fit in templates Parameters ---------- templates : str, list, tuple, or dict On leaves: templates with {tags}, which will be substituted for mapping in **kwargs word : str Word for which we want hypernyms threshold : float Maximum allowed log likelihood difference between word and antonym in context Returns ------- list List of hypernyms that fit the given templates """ return self._wordnet_stuff(templates, word, 'hypernyms', threshold=threshold, **kwargs) def hyponyms(self, templates, word, threshold=5, **kwargs): """Find hyponyms of word that fit in templates Parameters ---------- templates : str, list, tuple, or dict On leaves: templates with {tags}, which will be substituted for mapping in **kwargs word : str Word for which we want hyponyms threshold : float Maximum allowed log likelihood difference between word and antonym in context Returns ------- list List of hyponyms that fit the given templates """ return self._wordnet_stuff(templates, word, 'hyponyms', threshold=threshold, **kwargs) def suggest(self, templates, return_score=False, **kwargs): """Suggests fill-ins based on a masked language model Parameters ---------- templates : str, list, tuple, or dict On leaves: templates with {tags}, which will be substituted for mapping in **kwargs Must have at least one {mask}. Cannot have {mask} and {mask1}, but can have multiple {mask}s return_score : bool If True, returns tuples of (word, score) **kwargs : type See documentation for function 'template' Returns ------- list(str or tuple) list of fill-in suggestions, sorted by likelihood (with likelihood if return_score=True) """ mask_index, ops = get_mask_index(templates) if not mask_index: return [] if len(mask_index) != 1: raise Exception('Only one mask index is allowed') ret = self.template(templates, **kwargs, mask_only=True) xs = [tuple(x[0]) if len(x[0]) > 1 else x[0][0] for x in ret] if return_score: scores = [x[2] for x in ret] xs = list(zip(xs, scores)) if kwargs.get('verbose', False): print('\n'.join(['%6s %s' % ('%.2f' % x[2], x[1]) for x in ret[:5]])) return xs def _set_selected_suggestions(self, mask_suggests): self.selected_suggestions = mask_suggests return self.selected_suggestions def visual_suggest(self, templates, **kwargs): """Spawns a jupyter visualization for masked language model suggestions Parameters ---------- templates : str, list, tuple, or dict On leaves: templates with {tags}, which will be substituted for mapping in **kwargs Must have at least one {mask}. Cannot have {mask} and {mask1}, but can have multiple {mask}s **kwargs : type See documentation for function 'template' Returns ------- TemplateEditor visualization. Selected suggestions will be in self.selected_suggestions """ tagged_keys = find_all_keys(templates) template_strs = get_all_strings_ordered(templates) items = self._get_fillin_items(tagged_keys, max_count=5, **kwargs) kwargs["verbose"] = False mask_suggests = self.suggest(templates, **kwargs) if not mask_suggests: raise Exception('No valid suggestions for the given template!') self.selected_suggestions = [] return TemplateEditor( template_strs=template_strs, tagged_keys=tagged_keys, tag_dict=items, mask_suggests=mask_suggests[:50], format_fn=recursive_format, select_suggests_fn=self._set_selected_suggestions, tokenizer=self.tg.tokenizer ) def add_lexicon(self, name, values, overwrite=False, append=False, remove_duplicates=False): """Add tag to lexicon Parameters ---------- name : str Tag name. values : list(str) Tag values. overwrite : bool If True, replaces tag with the same name if it already exists append : bool If True, adds values to current lexicon with name remove_duplicates: bool If append=True and remove_duplicates=True, remove duplicate values from lexicon after appending """ # words can be strings, dictionarys, and other objects if overwrite == True and append == True: raise Exception('Either overwrite or append must be False') if append == True: if name not in self.lexicons: self.lexicons[name] = values else: self.lexicons[name].extend(values) if remove_duplicates == True: self.lexicons[name] = list(set(self.lexicons[name])) return if name in self.lexicons and not overwrite: raise Exception('%s already in lexicons. Call with overwrite=True to overwrite' % name) self.lexicons[name] = values def add_lexicon_from_csv(self, name, path, overwrite=False, append=False, remove_duplicates=False): """Add tag to lexicon from csv file Parameters ---------- name : str Tag name. path : str Path to csv file overwrite : bool If True, replaces tag with the same name if it already exists append : bool If True, adds values to current lexicon with name remove_duplicates: bool If append=True and remove_duplicates=True, remove duplicate values from lexicon after appending """ values = [] col_names = [] with open(path, newline='') as f: reader = csv.reader(f) for (i, row) in enumerate(reader): if i == 0: for col_name in row: col_names.append(col_name) else: d = {} if len(row) != len(col_names): raise Exception(f'Length of row {i} does not match header length ({len(row)} != {len(col_names)})') for (j, val) in enumerate(row): d[col_names[j]] = val values.append(MunchWithAdd(d)) self.add_lexicon(name, values, overwrite=overwrite, append=append, remove_duplicates=remove_duplicates) def _get_fillin_items(self, all_keys, max_count=None, **kwargs): items = {} mask_match = re.compile(r'mask\d*') for k in kwargs: if re.search(r'\d+$', k): raise(Exception('Error: keys cannot end in integers, we use that to index multiple copies of the same key (offending key: "%s")' % k)) for k in all_keys: # TODO: process if ends in number # TODO: process if is a:key to add article k = re.sub(r'\..*', '', k) k = re.sub(r'\[.*\]', '', k) k = re.sub(r'.*?:', '', k) newk = re.sub(r'\d+$', '', k) if mask_match.match(k): continue if newk in kwargs: items[k] = kwargs[newk] elif newk in self.lexicons: items[k] = self.lexicons[newk] else: raise(Exception('Error: key "%s" not in items or lexicons' % newk)) if max_count: items[k] = items[k][:max_count] return items def template(self, templates, nsamples=None, product=True, remove_duplicates=False, mask_only=False, unroll=False, labels=None, meta=False, save=False, **kwargs): """Fills in templates Parameters ---------- templates : str, list, tuple, or dict On leaves: templates with {tags}, which will be substituted for mapping in **kwargs Can have {mask} tags, which will be replaced by a masked language model. Other tags can be numbered for distinction, e.g. {person} and {person1} will be considered separate tags, but both will use fill-ins for 'person' nsamples : int Number of samples product : bool If true, take cartesian product remove_duplicates : bool If True, will not generate any strings where two or more fill-in values are duplicates. mask_only : bool If True, return only fill-in values for {mask} tokens unroll : bool If True, returns list of strings regardless of template type (i.e. unrolls) labels : int or object with strings on leaves If int, all generated strings will have the same label. Otherwise, can refer to tags, or be strings, etc. Output will be in ret.meta meta : bool If True, ret.meta will contain a dict of fill in values for each item in ret.data save : bool If True, ret.templates will contain all parameters and fill-in lists **kwargs : type Must include fill-in lists for every tag not in editor.lexicons Returns ------- MunchWithAdd Returns ret, a glorified dict, which will have the filled in templates in ret.data. It may contain ret.labels, ret.templates and ret.meta (depending on parameters as noted above) You can add or += two MunchWithAdd, which will concatenate values """ # 1. go through object, find every attribute inside brackets # 2. check if they are in kwargs and self.attributes # 3. generate keys and vals # 4. go through object, generate params = locals() ret = MunchWithAdd() del params['kwargs'] del params['self'] templates = copy.deepcopy(templates) added_labels = False if labels is not None and type(labels) != int: added_labels = True templates = (templates, labels) all_keys = find_all_keys(templates) items = self._get_fillin_items(all_keys, **kwargs) mask_index, mask_options = get_mask_index(templates) for mask, strings in mask_index.items(): # ks = {re.sub(r'.*?:', '', a): '{%s}' % a for a in all_keys} ks = {} tok = 'VERYLONGTOKENTHATWILLNOTEXISTEVER' ks[mask] = tok a_tok = 'thisisaratherlongtokenthatwillnotexist' # print(mask) # print('options:', mask_options[mask]) top = 100 find_top = re.search(r't(\d+)', mask_options[mask]) if find_top: top = int(find_top.group(1)) sub_a = lambda x: re.sub(r'{[^:}]*a[^:}]*:(%s)}' % mask, r'{%s} {\1}' % a_tok, x) # print(strings) strings = recursive_apply(strings, sub_a) ks[a_tok] = '{%s}' % a_tok # print(strings) ts = recursive_format(strings, ks, ignore_missing=True) samp = self.template(ts, nsamples=5, remove_duplicates=remove_duplicates, thisisaratherlongtokenthatwillnotexist=['a'], **kwargs).data samp += self.template(ts, nsamples=5, remove_duplicates=remove_duplicates, thisisaratherlongtokenthatwillnotexist=['an'], **kwargs).data # print(samp) # print(len([x for x in samp if ' an ' in x[0]])) samp = [x.replace(tok, self.tg.tokenizer.mask_token) for y in samp for x in y][:20] samp = list(set(samp)) # print(samp) if 'beam_size' not in kwargs: kwargs['beam_size'] = 100 # beam_size = kwargs.get('beam_size', 100) # kwargs. options = self.tg.unmask_multiple(samp, **kwargs) # print(options) # print(top) v = [x[0] for x in options][:top] items[mask] = v if mask_only: return options[:nsamples] if save: ret.templates = [(params, items)] templates = recursive_apply(templates, replace_mask) # print(templates) keys = [x[0] for x in items.items()] vals = [[x[1]] if type(x[1]) not in [list, tuple] else x[1] for x in items.items()] if nsamples is not None: # v = [np.random.choice(x, nsamples) for x in vals] v = [wrapped_random_choice(x, nsamples) for x in vals] if not v: vals = [[]] else: vals = zip(*v) # print(list(vals)) else: if not product: vals = zip(*vals) else: vals = itertools.product(*vals) data = [] use_meta = meta meta = [] for v in vals: # print(v) if remove_duplicates and len(v) != len(set([str(x) for x in v])): continue mapping = dict(zip(keys, v)) # print(templates) # print(mapping) data.append(recursive_format(templates, mapping)) meta.append(mapping) if unroll and data and type(data[0]) in [list, np.array, np.ndarray, tuple]: meta = [z for y, z in zip(data, meta) for x in y] data = [x for y in data for x in y] if use_meta: ret.meta = meta if added_labels: data, labels = map(list, zip(*data)) ret.labels = labels if labels is not None and type(labels) == int: ret.labels = [labels for _ in range(len(data))] ret.data = data return ret

py

checklist

checklist-master/checklist/expect.py

import numpy as np import itertools def iter_with_optional(data, preds, confs, labels, meta, idxs=None): # If this is a single example if type(data) not in [list, np.array, np.ndarray]: return [(data, preds, confs, labels, meta)] if type(meta) not in [list, np.array, np.ndarray]: meta = itertools.repeat(meta) else: if len(meta) != len(data): raise(Exception('If meta is list, length must match data')) if type(labels) not in [list, np.array, np.ndarray]: labels = itertools.repeat(labels) else: if len(labels) != len(data): raise(Exception('If labels is list, length must match data')) ret = zip(data, preds, confs, labels, meta) if idxs is not None: ret = list(ret) ret = [ret[i] for i in idxs] return ret class Expect: """Helpers for writing expectation functions over tests. Each test has a list of testcases, and each testcase has a list of examples. Expectation function will act on whole tests, testcases, individual examples, or pairs of examples. In any of these, the output of an expectation function for a single example is an integer, float, bool, or None, where: > 0 (or True) means passed, <= 0 or False means fail, and (optionally) the magnitude of the failure, indicated by distance from 0, e.g. -10 is worse than -1 None means the test does not apply, and this should not be counted """ @staticmethod def test(fn): """Expectation over a whole test Parameters ---------- fn : function Arguments: (data, preds, confs, labels=None, meta=None), all of which are potentially lists of lists Returns: list of np.arrays, representing results for examples inside a testcase. See docstring for the Expect class for what different values in the output mean. Returns ------- function Arguments: AbstractTest Returns: List of np.arrays """ def expect(self): return fn(self.data, self.results.preds, self.results.confs, self.labels, self.meta, self.run_idxs) return expect @staticmethod def testcase(fn): """Expectation over a single testcase (may have multiple examples) Parameters ---------- fn : function Arguments: (xs, preds, confs, labels=None, meta=None) Returns: np.array, representing results for the examples inside the testcase. See docstring for the Expect class for what different values in the output mean. Returns ------- function Arguments: AbstractTest Returns: List of np.arrays """ def expect(self): zipped = iter_with_optional(self.data, self.results.preds, self.results.confs, self.labels, self.meta, self.run_idxs) return [fn(x, pred, confs, labels, meta) for x, pred, confs, labels, meta in zipped] return expect @staticmethod def single(fn): """Expectation over a single example Parameters ---------- fn : function Arguments: (x, pred, conf, label=None, meta=None) Returns: bool, float, or int. See docstring for the Expect class for what different values in the output mean. Returns ------- function Arguments: AbstractTest Returns: List of np.arrays """ def expect_fn(xs, preds, confs, label=None, meta=None): return np.array([fn(x, p, c, l, m) for x, p, c, l, m in iter_with_optional(xs, preds, confs, label, meta)]) return Expect.testcase(expect_fn)#, agg_fn) @staticmethod def pairwise(fn): """Expectation over pairs of examples, suitable for perturbation tests Parameters ---------- fn : function Arguments: (orig_pred, pred, orig_conf, conf, labels=None, meta=None) Orig_pred and orig_conf are the prediction and the confidence of the first example in the test case Returns: bool, float, or int. See docstring for the Expect class for what different values in the output mean. Returns ------- function Arguments: AbstractTest Returns: List of np.arrays """ def expect_fn(xs, preds, confs, labels=None, meta=None): orig_pred = preds[0] orig_conf = confs[0] return np.array([fn(orig_pred, p, orig_conf, c, l, m) for _, p, c, l, m in iter_with_optional(xs, preds, confs, labels, meta)] ) return Expect.testcase(expect_fn) @staticmethod def aggregate(data, agg_fn='all'): """aggregates expectation results for all examples in each test case Parameters ---------- data : type list of np.arrays agg_fn : function or string in 'all', 'all_except_first' Arguments: np.array Returns: bool, float, or int. See docstring for the Expect class for what different values in the output mean. Returns ------- np.array Of bool, float, or int. See docstring for the Expect class for what different values in the output mean. """ # data is a list of lists or list of np.arrays return np.array([Expect.aggregate_testcase(x, agg_fn) for x in data]) @staticmethod def aggregate_testcase(expect_results, agg_fn='all'): """See docstring for aggregate""" if agg_fn == 'all': agg_fn = Expect.all() if agg_fn == 'all_except_first': agg_fn = Expect.all(ignore_first=True) if expect_results is None: return None r = [x for x in expect_results if x is not None] if not r: return None else: return agg_fn(np.array(r)) @staticmethod def all(ignore_first=False): """Aggregate such that all have to be True See docstring for "aggregate", this is an aggregation function Parameters ---------- ignore_first : bool If True, do not require first example to be True (useful for perturbation tests) Returns ------- function aggregation function """ def tmp_fn(results): if ignore_first: results = results[1:] return np.all(results > 0) return tmp_fn @staticmethod def wrap_slice(expect_fn, slice_fn, agg_fn='all'): """Wraps an expectation function with a slice function to discard certain testcases. Parameters ---------- expect_fn : function an expectation function slice_fn : function A slice function, slices testcases. Arguments: the same as the expectation function Returns: np.array where True means 'keep' and False means 'discard' agg_fn : function Aggregates examples within a test case. See aggregate_testcase Returns ------- function The expect function, but now returning None for discarded examples """ def wrapped(*args, **kwargs): ret = expect_fn(*args, **kwargs) sliced = Expect.aggregate(slice_fn(*args, **kwargs), agg_fn) for i in np.where(sliced != True)[0]: if type(ret[i]) in [list, np.array, np.ndarray]: ret[i] = [None for _ in ret[i]] else: ret[i] = None return ret return wrapped @staticmethod def slice_testcase(expect_fn, slice_fn, agg_fn='all'): """Wraps an expectation function with a slice function to discard certain testcases. Slice function acts on testcase. Parameters ---------- expect_fn : function an expectation function, where argument is a Test slice_fn : function A slice function, slices testcases. Arguments: (xs, preds, confs, labels=None, meta=None) Returns: np.array where True means 'keep' and False means 'discard' agg_fn : function Aggregates examples within a test case. See aggregate_testcase Returns ------- function The expect function, but now returning None for discarded examples """ wrapped_slice = Expect.testcase(slice_fn) return Expect.wrap_slice(expect_fn, wrapped_slice, agg_fn) @staticmethod def slice_single(expect_fn, slice_fn, agg_fn='all'): """Wraps an expectation function with a slice function to discard certain testcases. Slice function acts on single examples. Parameters ---------- expect_fn : function an expectation function, where argument is a Test slice_fn : function A slice function, slices testcases. Arguments: (x, pred, conf, label=None, meta=None) Returns: True ('keep') or False ('discard') agg_fn : function Aggregates examples within a test case. See aggregate_testcase Returns ------- function The expect function, but now returning None for discarded examples """ wrapped_slice = Expect.single(slice_fn) return Expect.wrap_slice(expect_fn, wrapped_slice, agg_fn) @staticmethod def slice_orig(expect_fn, slice_fn, agg_fn='all'): """Wraps an expectation function with a slice function to discard certain testcases. Slice function acts on the original example in a perturbation test. Parameters ---------- expect_fn : function an expectation function, where argument is a Test slice_fn : function A slice function, slices original examples for perturbation tests. Arguments: (orig_pred, orig_conf) Returns: True ('keep') or False ('discard') agg_fn : function Aggregates examples within a test case. See aggregate_testcase Returns ------- function The expect function, but now returning None for discarded examples """ new_fn = lambda orig, pred, *args, **kwargs: slice_fn(orig, pred) return Expect.slice_pairwise(expect_fn, new_fn, agg_fn) @staticmethod def slice_pairwise(expect_fn, slice_fn, agg_fn='all_except_first'): """Wraps an expectation function with a slice function to discard certain testcases. Slice function acts on pairs. Parameters ---------- expect_fn : function an expectation function, where argument is a Test slice_fn : function A slice function, slices testcases. Arguments: (orig_pred, pred, orig_conf, conf, labels=None, meta=None) Returns: np.array where True means 'keep' and False means 'discard' agg_fn : function Aggregates examples within a test case. See aggregate_testcase Returns ------- function The expect function, but now returning None for discarded examples """ wrapped_slice = Expect.pairwise(slice_fn) return Expect.wrap_slice(expect_fn, wrapped_slice, agg_fn) @staticmethod def combine(expect_fn1, expect_fn2, combine_fn, ignore_none=True): """Creates a wrapper that combines two expectation functions Parameters ---------- expect_fn1 : function an expectation function, where argument is a Test expect_fn2 : function an expectation function, where argument is a Test combine_fn : function Arguments: (x1, x2), the output of (expect_fn1, expect_fn2) Returns: bool, float, or int. See docstring for the Expect class for what different values in the output mean. ignore_none : bool If True, will take x1 if x2 is None and vice versa. If both are Nones, will return None without calling combine_fn. Returns ------- function wrapped expectation function """ # each expect_fn takes 'self' as input (i.e. wrapped by Expect.test or Expect.testcase) # combine_fn takes (x1, x2), where each is an output from expect_fn1 or # 2 (a single example within a testcase, which is a float, a bool, or # None) and combines them into a float, a bool, or None if # ignore_none=True, will take one of the inputs if the other is None # without passing them to the combine_fn (and return None if both are # Nones. otherwise, combine_fn must handle Nones) def tmp_fn(self): e1 = expect_fn1(self) e2 = expect_fn2(self) ret = [] for list1, list2 in zip(e1, e2): r = [] for z1, z2 in zip(list1, list2): if ignore_none: if z1 == None: r.append(z2) continue elif z2 == None: r.append(z1) continue r.append(combine_fn(z1, z2)) ret.append(np.array(r)) return ret return tmp_fn @staticmethod def combine_and(expect_fn1, expect_fn2): """Combines two expectation functions with the 'and' function See 'combine' for more details. """ def combine_fn(x1, x2): return min(x1, x2) return Expect.combine(expect_fn1, expect_fn2, combine_fn) @staticmethod def combine_or(expect_fn1, expect_fn2): """Combines two expectation functions with the 'or' function See 'combine' for more details. """ def combine_fn(x1, x2): return max(x1, x2) return Expect.combine(expect_fn1, expect_fn2, combine_fn) # SAMPLE EXPECTATION FUNCTION @staticmethod def eq(val=None): """Expect predictions to be equal to a value. See documentation for Expect.single Parameters ---------- val : whatever or None If None, expect prediction to be equal to label. Otherwise, to be equal to val Returns ------- function an expectation function """ def ret_fn(x, pred, conf, label=None, meta=None): gt = val if val is not None else label softmax = type(conf) in [np.array, np.ndarray] conf = conf[gt] if softmax else -conf conf_viol = -(1 - conf) if pred == gt: return True else: return conf_viol return Expect.single(ret_fn) @staticmethod def inv(tolerance=0): """Expect predictions not to change, with a tolerance threshold See documentation for Expect.pairwise. Parameters ---------- tolerance : float If prediction changes but prediction probability is within the tolerance, will not consider it a failure. Returns ------- function an expectation function """ def expect(orig_pred, pred, orig_conf, conf, labels=None, meta=None): softmax = type(orig_conf) in [np.array, np.ndarray] try: if pred == orig_pred: return True except ValueError: # np.array output if (pred == orig_pred).all(): return True if softmax: orig_conf = orig_conf[orig_pred] conf = conf[orig_pred] if np.abs(conf - orig_conf) <= tolerance: return True else: return -np.abs(conf - orig_conf) else: # This is being generous I think if conf + orig_conf <= tolerance: return True else: return -(conf + orig_conf) return Expect.pairwise(expect) @staticmethod def monotonic(label=None, increasing=True, tolerance=0.): """Expect predictions to be monotonic See documentation for Expect.pairwise. Parameters ---------- label : None or integer (only allowed if conf is softmax) If None, the original prediction label increasing : bool Whether we want monotonically increasing or decreasing tolerance : float If confidence goes down (up) for monotonically increasing (decreasing) by less than tolerance, will not be considered a failure. Returns ------- function an expectation function """ keep_label = label def expect(orig_pred, pred, orig_conf, conf, labels=None, meta=None): label = keep_label softmax = type(orig_conf) in [np.array, np.ndarray] if not softmax and label is not None: raise(Exception('Need prediction function to be softmax for monotonic if you specify label')) if label is None: label = orig_pred if softmax: orig_conf = orig_conf[label] conf = conf[label] conf_diff = conf - orig_conf else: if pred == orig_pred: conf_diff = conf - orig_conf else: conf_diff = -(orig_conf + conf) # can't fail if increasing and orig_conf <= tolerance: return None if not increasing and orig_conf >= 1 - tolerance: return None if increasing: if conf_diff + tolerance >= 0: return True else: return conf_diff + tolerance # return conf + tolerance >= orig_conf else: if conf_diff - tolerance <= 0: return True else: return -(conf_diff - tolerance) # return conf - tolerance <= orig_conf return Expect.pairwise(expect)

py

checklist

checklist-master/checklist/abstract_test.py

from abc import ABC, abstractmethod import dill from munch import Munch import numpy as np import inspect from .expect import iter_with_optional, Expect from .viewer.test_summarizer import TestSummarizer def load_test(file): dill._dill._reverse_typemap['ClassType'] = type with open(file, 'rb') as infile: return dill.load(infile) def read_pred_file(path, file_format=None, format_fn=None, ignore_header=False): f = open(path, 'r', encoding='utf-8') if ignore_header: f.readline() preds = [] confs = [] if file_format is None and format_fn is None: file_format = 'pred_and_softmax' if file_format == 'pred_only': format_fn = lambda x: (x, 1) elif file_format == 'binary_conf': def formatz(x): conf = float(x) confs = np.array([1 - conf, conf]) pred = int(np.argmax(confs)) return pred, confs format_fn = formatz elif file_format == 'softmax': def formatz(x): confs = np.array([float(y) for y in x.split()]) pred = int(np.argmax(confs)) return pred, confs format_fn = formatz elif file_format == 'pred_and_conf': def formatz(x): pred, conf = x.split() if pred.isdigit(): pred = int(pred) return pred, float(conf) format_fn = formatz elif file_format == 'pred_and_softmax': def formatz(x): allz = x.split() pred = allz[0] confs = np.array([float(x) for x in allz[1:]]) if pred.isdigit(): pred = int(pred) return pred, confs format_fn = formatz elif file_format is None: pass else: raise(Exception('file_format %s not suported. Accepted values are pred_only, softmax, binary_conf, pred_and_conf, pred_and_softmax' % file_format)) for l in f: l = l.strip('\n') p, c = format_fn(l) preds.append(p) confs.append(c) if file_format == 'pred_only' and all([x.isdigit() for x in preds]): preds = [int(x) for x in preds] return preds, confs class AbstractTest(ABC): def __init__(self, data, expect, labels=None, meta=None, agg_fn='all', templates=None, print_first=None, name=None, capability=None, description=None): self.data = data self.expect = expect self.labels = labels self.meta = meta self.agg_fn = agg_fn self.templates = templates self.print_first = print_first self.run_idxs = None self.result_indexes = None self.name = name self.capability = capability self.description = description def save(self, file): dill.dump(self, open(file, 'wb'), recurse=True) @staticmethod def from_file(file): return load_test(file) def _extract_examples_per_testcase( self, xs, preds, confs, expect_results, labels, meta, nsamples, only_include_fail=True): iters = list(iter_with_optional(xs, preds, confs, labels, meta)) idxs = [0] if self.print_first else [] idxs = [i for i in np.argsort(expect_results) if not only_include_fail or expect_results[i] <= 0] if preds is None or (type(preds) == list and len(preds) == 0) or len(idxs) > len(iters): return None if self.print_first: if 0 in idxs: idxs.remove(0) idxs.insert(0, 0) idxs = idxs[:nsamples] iters = [iters[i] for i in idxs] return idxs, iters, [expect_results[i] for i in idxs] def print(self, xs, preds, confs, expect_results, labels=None, meta=None, format_example_fn=None, nsamples=3): result = self._extract_examples_per_testcase( xs, preds, confs, expect_results, labels, meta, nsamples, only_include_fail=True) if not result: return idxs, iters, _ = result for x, pred, conf, label, meta in iters: print(format_example_fn(x, pred, conf, label, meta)) if type(preds) in [np.array, np.ndarray, list] and len(preds) > 1: print() print('----') def set_expect(self, expect): """Sets and updates expectation function Parameters ---------- expect : function Expectation function, takes an AbstractTest (self) as parameter see expect.py for details """ self.expect = expect self.update_expect() def update_expect(self): self._check_results() self.results.expect_results = self.expect(self) self.results.passed = Expect.aggregate(self.results.expect_results, self.agg_fn) def example_list_and_indices(self, n=None, seed=None): """Subsamples test cases Parameters ---------- n : int Number of testcases to sample seed : int Seed to use Returns ------- tuple(list, list) First list is a list of examples Second list maps examples to testcases. For example, let's say we have two testcases: [a, b, c] and [d, e]. The first list will be [a, b, c, d, e] the second list will be [0, 0, 0, 1, 1] Also updates self.run_idxs if n is not None to indicate which testcases were run. Also updates self.result_indexes with the second list. """ if seed is not None: np.random.seed(seed) self.run_idxs = None idxs = list(range(len(self.data))) if n is not None: idxs = np.random.choice(idxs, min(n, len(idxs)), replace=False) self.run_idxs = idxs if type(self.data[0]) in [list, np.array, np.ndarray]: all = [(i, y) for i in idxs for y in self.data[i]] result_indexes, examples = map(list, list(zip(*all))) else: examples = [self.data[i] for i in idxs] result_indexes = idxs# list(range(len(self.data))) self.result_indexes = result_indexes return examples, result_indexes def update_results_from_preds(self, preds, confs): """Updates results from preds and confs Assumes that example_lists_and_indices or to_raw_examples or to_raw_file was called before, so that self.result_indexes exists Parameters ---------- preds : list Predictions confs : list Confidences Updates self.results.preds and self.results.confs """ result_indexes = self.result_indexes if type(self.data[0]) == list: self.results.preds = [[] for _ in self.data] self.results.confs = [[] for _ in self.data] for i, p, c in zip(result_indexes, preds, confs): self.results.preds[i].append(p) self.results.confs[i].append(c) for i in range(len(self.results.preds)): self.results.preds[i] = np.array(self.results.preds[i]) self.results.confs[i] = np.array(self.results.confs[i]) else: self.results.preds = [None for _ in self.data] self.results.confs = [None for _ in self.data] for i, p, c in zip(result_indexes, preds, confs): self.results.preds[i] = p self.results.confs[i] = c def recover_example_list_and_indices(self): """Recovers a previously computed example_list_and_indices""" idxs = list(range(len(self.data))) if self.run_idxs is not None: idxs = self.run_idxs if type(self.data[0]) in [list, np.array, np.ndarray]: examples = [y for i in idxs for y in self.data[i]] else: examples = [self.data[i] for i in idxs] result_indexes = self.result_indexes return examples, result_indexes def to_raw_examples(self, file_format=None, format_fn=None, n=None, seed=None, new_sample=True): """Flattens all test examples into a single list Parameters ---------- file_format : string, must be one of 'jsonl', 'tsv', or None None just calls str(x) for each example in self.data format_fn : function or None If not None, call this function to format each example in self.data n : int If not None, number of samples to draw seed : int Seed to use if n is not None new_sample: bool If False, will rely on a previous sample and ignore the 'n' and 'seed' parameters Returns ------- list(string) List of all examples. Indices of example to test case will be stored in self.result_indexes. If n is not None, self.run_idxs will store the test case indexes. """ if file_format == 'jsonl': import json format_fn = lambda x: json.dumps(x) elif file_format == 'tsv': format_fn = lambda x: '\t'.join(x).replace('\n', ' ') else: if format_fn is None: format_fn = lambda x: str(x).replace('\n', ' ') if new_sample: examples, indices = self.example_list_and_indices(n, seed=seed) else: examples, indices = self.recover_example_list_and_indices() examples = [format_fn(x) for x in examples] return examples def to_raw_file(self, path, file_format=None, format_fn=str, header=None, n=None, seed=None): """Flatten test cases into individual examples and print them to file. Indices of example to test case will be stored in self.result_indexes. If n is not None, self.run_idxs will store the test case indexes. Parameters ---------- path : string File path file_format : string, must be one of 'jsonl', 'tsv', or None None just calls str(x) for each example in self.data format_fn : function or None If not None, call this function to format each example in self.data header : string If not None, first line of file n : int If not None, number of samples to draw seed : int Seed to use if n is not None """ # file_format can be jsonl, TODO # format_fn takes an example and outputs a line in the file ret = '' if header is not None: ret += header.strip('\n') + '\n' examples = self.to_raw_examples(file_format=file_format, format_fn=format_fn, n=n, seed=seed) ret += '\n'.join(examples) f = open(path, 'w') f.write(ret) f.close() def _results_exist(self): return hasattr(self, 'results') and self.results def _check_results(self): if not self._results_exist(): raise(Exception('No results. Run run() first')) def _check_create_results(self, overwrite, check_only=False): if self._results_exist() and not overwrite: raise(Exception('Results exist. To overwrite, set overwrite=True')) if not check_only: self.results = Munch() def run_from_preds_confs(self, preds, confs, overwrite=False): """Update self.results (run tests) from list of predictions and confidences Parameters ---------- preds : list predictions confs : list confidences overwrite : bool If False, raise exception if results already exist """ self._check_create_results(overwrite) self.update_results_from_preds(preds, confs) self.update_expect() def run_from_file(self, path, file_format=None, format_fn=None, ignore_header=False, overwrite=False): """Update self.results (run tests) from a prediction file Parameters ---------- path : string prediction file path file_format : string None, or one of 'pred_only', 'softmax', binary_conf', 'pred_and_conf', 'pred_and_softmax', 'squad', pred_only: each line has a prediction softmax: each line has prediction probabilities separated by spaces binary_conf: each line has the prediction probability of class 1 (binary) pred_and_conf: each line has a prediction and a confidence value, separated by a space pred_and_softmax: each line has a prediction and all softmax probabilities, separated by a space squad: TODO format_fn : function If not None, function that reads a line in the input file and outputs a tuple of (prediction, confidence) ignore_header : bool If True, skip first line in the file overwrite : bool If False, raise exception if results already exist """ # file_format can be 'pred_only' (only preds, conf=1), TODO # Format_fn takes a line in the file and outputs (pred, conf) # Checking just to avoid reading the file in vain self._check_create_results(overwrite, check_only=True) preds, confs = read_pred_file(path, file_format=file_format, format_fn=format_fn, ignore_header=ignore_header) self.run_from_preds_confs(preds, confs, overwrite=overwrite) def run(self, predict_and_confidence_fn, overwrite=False, verbose=True, n=None, seed=None): """Runs test Parameters ---------- predict_and_confidence_fn : function Takes as input a list of examples Outputs a tuple (predictions, confidences) overwrite : bool If False, raise exception if results already exist verbose : bool If True, print extra information n : int If not None, number of samples to draw seed : int Seed to use if n is not None """ # Checking just to avoid predicting in vain, will be created in run_from_preds_confs self._check_create_results(overwrite, check_only=True) examples, result_indexes = self.example_list_and_indices(n, seed=seed) if verbose: print('Predicting %d examples' % len(examples)) preds, confs = predict_and_confidence_fn(examples) self.run_from_preds_confs(preds, confs, overwrite=overwrite) def fail_idxs(self): self._check_results() return np.where(self.results.passed == False)[0] def filtered_idxs(self): self._check_results() return np.where(self.results.passed == None)[0] def get_stats(self): stats = Munch() self._check_results() n_run = n = len(self.data) if self.run_idxs is not None: n_run = len(self.run_idxs) fails = self.fail_idxs().shape[0] filtered = self.filtered_idxs().shape[0] nonfiltered = n_run - filtered stats.testcases = n if n_run != n: stats.testcases_run = n_run if filtered: stats.after_filtering = nonfiltered stats.after_filtering_rate = 100 * nonfiltered / n_run if nonfiltered != 0: stats.fails = fails stats.fail_rate = 100 * fails / nonfiltered return stats def print_stats(self): stats = self.get_stats() print('Test cases: %d' % stats.testcases) if 'testcases_run' in stats: print('Test cases run: %d' % stats.testcases_run) if 'after_filtering' in stats: print('After filtering: %d (%.1f%%)' % (stats.after_filtering, stats.after_filtering_rate)) if 'fails' in stats: print('Fails (rate): %d (%.1f%%)' % (stats.fails, stats.fail_rate)) def _label_meta(self, i): if self.labels is None: label = None else: label = self.labels if type(self.labels) not in [list, np.array, np.ndarray] else self.labels[i] if self.meta is None: meta = None else: meta = self.meta if type(self.meta) not in [list, np.array, np.ndarray] else self.meta[i] return label, meta def summary(self, n=3, print_fn=None, format_example_fn=None, n_per_testcase=3): """Print stats and example failures Parameters ---------- n : int number of example failures to show print_fn : function If not None, use this to print a failed test case. Arguments: (xs, preds, confs, expect_results, labels=None, meta=None) format_example_fn : function If not None, use this to print a failed example within a test case Arguments: (x, pred, conf, label=None, meta=None) n_per_testcase : int Maximum number of examples to show for each test case """ self.print_stats() if not n: return if print_fn is None: print_fn = self.print def default_format_example(x, pred, conf, *args, **kwargs): softmax = type(conf) in [np.array, np.ndarray] binary = False if softmax: if conf.shape[0] == 2: conf = conf[1] return '%.1f %s' % (conf, str(x)) elif conf.shape[0] <= 4: confs = ' '.join(['%.1f' % c for c in conf]) return '%s %s' % (confs, str(x)) else: conf = conf[pred] return '%s (%.1f) %s' % (pred, conf, str(x)) else: return '%s %s' % (pred, str(x)) if format_example_fn is None: format_example_fn = default_format_example fails = self.fail_idxs() if fails.shape[0] == 0: return print() print('Example fails:') fails = np.random.choice(fails, min(fails.shape[0], n), replace=False) for f in fails: d_idx = f if self.run_idxs is None else self.run_idxs[f] # should be format_fn label, meta = self._label_meta(d_idx) # print(label, meta) print_fn(self.data[d_idx], self.results.preds[d_idx], self.results.confs[d_idx], self.results.expect_results[f], label, meta, format_example_fn, nsamples=n_per_testcase) def _form_examples_per_testcase_for_viz( self, xs, preds, confs, expect_results, labels=None, meta=None, nsamples=3): result = self._extract_examples_per_testcase( xs, preds, confs, expect_results, labels, meta, nsamples, only_include_fail=False) if not result: return [] idxs, iters, expect_results_sample = result if not iters: return [] start_idx = 1 if self.print_first else 0 if self.print_first: base = iters[0] try: conf = base[2][base[1]] except: conf = None old_example = {"text": base[0], "pred": str(base[1]), "conf": conf} else: old_example = None examples = [] for idx, e in enumerate(iters[start_idx:]): try: conf = e[2][e[1]] except: conf = None example = { "new": {"text": e[0], "pred": str(e[1]), "conf": conf}, "old": old_example, "label": e[3], "succeed": int(expect_results_sample[start_idx:][idx] > 0) } examples.append(example) return examples def form_test_info(self, name=None, description=None, capability=None): n_run = n = len(self.data) if self.run_idxs is not None: n_run = len(self.run_idxs) fails = self.fail_idxs().shape[0] filtered = self.filtered_idxs().shape[0] return { "name": name if name else self.name, "description": description if description else self.description, "capability": capability if capability else self.capability, "type": self.__class__.__name__.lower(), "tags": [], "stats": { "nfailed": fails, "npassed": n_run - filtered - fails, "nfiltered": filtered } } def form_testcases(self, n_per_testcase=3): self._check_results() testcases = [] nonfiltered_idxs = np.where(self.results.passed != None)[0] for f in nonfiltered_idxs: d_idx = f if self.run_idxs is None else self.run_idxs[f] # should be format_fn label, meta = self._label_meta(d_idx) # print(label, meta) succeed = self.results.passed[f] if succeed is not None: examples = self._form_examples_per_testcase_for_viz( self.data[d_idx], self.results.preds[d_idx], self.results.confs[d_idx], self.results.expect_results[f], label, meta, nsamples=n_per_testcase) else: examples = [] if examples: testcases.append({ "examples": examples, "succeed": int(succeed), "tags": [] }) return testcases def visual_summary(self, name=None, description=None, capability=None, n_per_testcase=3): self._check_results() # get the test meta test_info = self.form_test_info(name, description, capability) testcases = self.form_testcases(n_per_testcase) return TestSummarizer(test_info, testcases)

py

checklist

checklist-master/checklist/multilingual.py

import collections from iso639 import languages def get_language_code(language): to_try = [languages.name, languages.inverted, languages.part1] l_to_try = [language.capitalize(), language.lower()] for l in l_to_try: for t in to_try: if l in t: if not t[l].part1: continue return t[l].part1 raise Exception('Language %s not recognized. Try the iso-639 code.' % language) def multilingual_params(language, **kwargs): language_code = get_language_code(language) lang_model = collections.defaultdict(lambda: 'xlm-roberta-large') lang_model['fr'] = 'flaubert/flaubert_base_cased' lang_model['en'] = 'roberta-base' lang_model['de'] = 'bert-base-german-cased' prefixes = { 'af': 'Hierdie teks is in Afrikaans geskryf. ', 'sq': 'Ky tekst është shkruar në shqip. ', 'am': 'ይህ ጽሑፍ በአማርኛ ተጽ writtenል ፡፡ ', 'ar': 'هذا النص مكتوب بالعربية. ', 'hy': 'Այս տեքստը գրված է հայերեն: ', 'az': 'Bu mətn Azərbaycan dilində yazılmışdır. ', 'eu': 'Testu hau euskaraz idatzita dago. ', 'be': 'Гэты тэкст напісаны па-беларуску. ', 'bn': 'এই লেখাটি বাংলা ভাষায় রচিত;। ', 'bs': 'Ovaj tekst je napisan na bosanskom jeziku. ', 'br': 'Ce texte est écrit en breton. ', 'bg': 'Този текст е написан на български език. ', 'my': 'ဒီစာသားကိုဗမာလိုရေးထားတယ်။ ', 'ca': 'Aquest text està escrit en català ;. ', 'zh': '这段文字是用中文写的。', 'hr': 'Ovaj tekst je napisan na hrvatskom jeziku. ', 'cs': 'Tento text je psán česky. ', 'da': 'Denne tekst er skrevet på dansk. ', 'nl': 'Deze tekst is geschreven in het Nederlands ;. ', 'eo': 'This text is written in Esperanto. ', 'et': 'See tekst on kirjutatud eesti keeles. ', 'fi': 'Tämä teksti on kirjoitettu suomeksi. ', 'gl': 'Este texto está escrito en galego. ', 'ka': 'ეს ტექსტი ქართულად არის დაწერილი. ', 'el': 'Αυτό το κείμενο είναι γραμμένο στα Ελληνικά. ', 'gu': 'આ લખાણ ગુજરાતીમાં લખાયેલ છે. ', 'ha': 'An rubuta wannan rubutun cikin harshen Hausa. ', 'he': 'טקסט זה כתוב בעברית. ', 'hi': 'यह पाठ हिंदी में लिखा गया है। ', 'hu': 'Ez a szöveg magyarul készült. ', 'is': 'Þessi texti er skrifaður á íslensku. ', 'id': 'Teks ini ditulis dalam bahasa Indonesia. ', 'ga': 'Tá an téacs seo scríofa i nGaeilge. ', 'it': 'Questo testo è scritto in italiano. ', 'ja': 'このテキストは日本語で書かれています。 ', 'jv': 'Naskah iki ditulis nganggo basa jawa. ', 'kn': 'ಈ ಪಠ್ಯವನ್ನು ಕನ್ನಡದಲ್ಲಿ ಬರೆಯಲಾಗಿದೆ. ', 'kk': 'Бұл мәтін қазақ тілінде жазылған. ', 'km': 'អត្ថបទនេះត្រូវបានសរសេរនៅកណ្តាល។ ', 'ko': '이 텍스트는 한국어로 작성되었습니다. ', 'ku': 'Bu metin Kürtçe yazılmıştır. ', 'ky': 'Бул текст кыргыз тилинде жазылган;. ', 'lo': 'ບົດຂຽນນີ້ຂຽນເປັນພາສາລາວ. ', 'la': 'Questo testo è scritto in latino. ', 'lv': 'Šis teksts ir uzrakstīts latviešu valodā. ', 'lt': 'Šis tekstas parašytas lietuvių kalba. ', 'mk': 'Овој текст е напишан на македонски јазик. ', 'mg': 'Ity soratra ity dia voasoratra amin\'ny teny malagasy. ', 'ms': 'Teks ini ditulis dalam bahasa Melayu. ', 'ml': 'ഈ വാചകം മലയാളത്തിലാണ് എഴുതിയിരിക്കുന്നത്. ', 'mr': 'हा मजकूर मराठीत लिहिला आहे;. ', 'mn': 'Энэ текстийг монгол хэлээр бичсэн болно. ', 'ne': 'यो लेख नेपालीमा लेखिएको छ। ', 'no': 'Denne teksten er skrevet på norsk. ', 'ps': 'دا متن په پښتو ژبه لیکل شوی.. ', 'fa': 'این متن به زبان فارسی نوشته شده است ؛. ', 'pl': 'Ten tekst jest napisany w języku polskim. ', 'pt': 'Este texto está escrito em português. ', 'pa': 'ਇਹ ਪਾਠ ਪੰਜਾਬ ਵਿਚ ਲਿਖਿਆ ਗਿਆ ਹੈ;. ', 'ro': 'Acest text este scris în limba română ;. ', 'ru': 'Этот текст написан на русском языке. ', 'gd': 'Tha an teacsa seo sgrìobhte ann an Gàidhlig ;. ', 'sr': 'Овај текст је написан на српском. ', 'sd': 'اهو متن سنڌي ۾ لکيو وڃي ٿو. ', 'si': 'මෙම පා text ය සිංහල භාෂාවෙන් ලියා ඇත. ', 'sk': 'Tento text je v slovenskom jazyku. ', 'sl': 'To besedilo je napisano v slovenščini;. ', 'so': 'Qoraalkan wuxuu ku qoran yahay Afsoomaali. ', 'es': 'Este texto está escrito en español. ', 'su': 'Téks ieu ditulis dina basa Sunda. ', 'sw': 'Maandishi haya yameandikwa kwa kiswahili. ', 'sv': 'Denna text är skriven på svenska. ', 'ta': 'இந்த உரை தமிழில் எழுதப்பட்டுள்ளது. ', 'te': 'ఈ వచనం తెలుగులో వ్రాయబడింది. ', 'th': 'ข้อความนี้เขียนเป็นภาษาไทย ', 'tr': 'Bu metin Türkçe yazılmıştır. ', 'uk': 'Цей текст написаний українською мовою. ', 'ur': 'یہ عبارت اردو میں لکھی گئی ہے۔ ', 'ug': 'This text is written in Uighur;. ', 'uz': 'Ushbu matn o\'zbek tilida yozilgan. ', 'vi': 'Văn bản này được viết bằng tiếng Việt. ', 'cy': 'Mae\'r testun hwn wedi\'i ysgrifennu yn Gymraeg. ', 'xh': 'Lo mbhalo ubhalwe ngesiXhosa. ', 'yi': 'דער טעקסט איז געשריבן אויף ייִדיש. ', } params = { 'model_name': lang_model[language_code], 'prefix_sentence': prefixes.get(language_code, ''), 'allow_word_pieces': True if language_code in ['zh', 'ja', 'ko'] else False } if language_code not in prefixes and language_code not in ['fr', 'en', 'de']: raise Exception('Language %s not supported yet. Sorry!' % language) params.update(**kwargs) return params

py

checklist

checklist-master/checklist/pred_wrapper.py

import numpy as np class PredictorWrapper: @staticmethod def wrap_softmax(softmax_fn): """Wraps softmax such that it outputs predictions and confidences Parameters ---------- softmax_fn : fn Takes lists of inputs, outputs softmax probabilities (2d np.array) Returns ------- function wrapped prediction function, returns (preds, confs) instead of softmax """ def pred_and_conf(inputs): confs = softmax_fn(inputs) preds = np.argmax(confs, axis=1) return preds, confs pred_and_conf.conf = 'softmax' return pred_and_conf @staticmethod def wrap_predict(predict_fn): """Wraps prediction functions to output predictions and a confidence score of 1 Parameters ---------- predict_fn : function Outputs a list of predictions given inputs (strings, integers, whatever) Returns ------- function wrapped prediction function, returns (preds, confs) such that confs is list of float(1) """ def pred_and_conf(inputs): preds = predict_fn(inputs) confs = np.ones(len(preds)) return preds, confs return pred_and_conf

py

checklist

checklist-master/checklist/__init__.py

py

checklist

checklist-master/checklist/text_generation.py

from transformers import AutoTokenizer, AutoModelForMaskedLM import collections import itertools import numpy as np import re from transformers import GPT2Config from transformers import GPT2LMHeadModel, GPT2Tokenizer from tqdm.auto import tqdm import torch import torch.nn.functional as F from pattern.en import wordnet, pluralize import requests import json def all_synsets(word, pos=None): map = { 'NOUN': wordnet.NOUN, 'VERB': wordnet.VERB, 'ADJ': wordnet.ADJECTIVE, 'ADV': wordnet.ADVERB } if pos is None: pos_list = [wordnet.VERB, wordnet.ADJECTIVE, wordnet.NOUN, wordnet.ADVERB] else: pos_list = [map[pos]] ret = [] for pos in pos_list: ret.extend(wordnet.synsets(word, pos=pos)) return ret def clean_senses(synsets): return [x for x in set(synsets) if '_' not in x] def all_possible_synonyms(word, pos=None): ret = [] for syn in all_synsets(word, pos=pos): # if syn.synonyms[0] != word: # continue ret.extend(syn.senses) return clean_senses(ret) def all_possible_antonyms(word, pos=None): ret = [] for syn in all_synsets(word, pos=pos): if not syn.antonym: continue for s in syn.antonym: ret.extend(s.senses) return clean_senses(ret) def all_possible_hypernyms(word, pos=None, depth=None): ret = [] for syn in all_synsets(word, pos=pos): ret.extend([y for x in syn.hypernyms(recursive=True, depth=depth) for y in x.senses]) return clean_senses(ret) def all_possible_hyponyms(word, pos=None, depth=None): ret = [] for syn in all_synsets(word, pos=pos): ret.extend([y for x in syn.hyponyms(recursive=True, depth=depth) for y in x.senses]) return clean_senses(ret) def all_possible_related(words, pos=None, depth=1): all_syns = [y for word in words for y in all_synsets(word, pos=pos)] # all_syns = [all_synsets(x, pos=pos) for x in words] # all_syns = [x[0] for x in all_syns if x] # return all_syns # print(all_syns) all_ancestors = [wordnet.ancestor(s1, s2) for s1, s2 in itertools.combinations(all_syns, 2)] all_ancestors = [x for x in all_ancestors if x] # print(all_ancestors) mapz = {x.lexname: x for x in all_ancestors} all_ancestors = list(mapz.values()) all_descendents = [y for x in all_ancestors for y in x.hyponyms(recursive=True, depth=depth)] ret = [y for x in all_descendents for y in x.senses] return clean_senses(ret) class TextGenerator(object): def __init__(self, url=None, model_name='roberta-base', prefix_sentence='', allow_word_pieces=False, **kwargs): self.url = url if url is None: self.device = torch.device("cuda" if torch.cuda.is_available() else "cpu") # self.tokenizer = BertTokenizer.from_pretrained('bert-base-cased') # self.model = BertForMaskedLM.from_pretrained('bert-base-cased') self.tokenizer = AutoTokenizer.from_pretrained(model_name) self.model = AutoModelForMaskedLM.from_pretrained(model_name) self.model.to(self.device) self.model.eval() self.prefix_sentence = prefix_sentence self.prefix_len = len(self.tokenizer.encode(prefix_sentence, add_special_tokens=False)) self.allow_word_pieces = allow_word_pieces tmp = self.tokenizer.tokenize(' a')[0].split('a') assert len(tmp) == 2 assert tmp[1] == '' self.space_prefix = tmp[0] if not self.allow_word_pieces: self.with_space = torch.tensor(np.array(list(set([i for x, i in self.tokenizer.get_vocab().items() if x.startswith(self.space_prefix)]))), device=self.device); self.with_space_set = set(self.with_space.cpu().numpy()) self.special_chars = set([i for x, i in self.tokenizer.get_vocab().items() if not x.strip(self.space_prefix).isalnum()]) def unmask_multiple(self, texts, beam_size=500, candidates=None, metric='avg', **kwargs): rets = [] for text in texts: rets.append(self.unmask(text, beam_size, candidates)) scores = collections.defaultdict(lambda: 0.) if metric == 'avg' else collections.defaultdict(lambda: 999999999) count = collections.defaultdict(lambda: 0.) examples = {} longest = max([len(x[0][0]) for x in rets]) rets = sorted(rets, key=lambda x:len(x[0][0]), reverse=True) for r in rets: for x in r: tup = tuple(x[0]) if len(tup) != longest: tups = [k for k in scores if tuple(k[:len(tup)]) == tup] else: tups = [tup] for tup in tups: count[tup] += 1 examples[tup] = x[1] if metric == 'avg': scores[tup] += x[-1] elif metric == 'min': scores[tup] = min(scores[tup], x[-1]) if metric == 'min': for x in count: # print(x, count[x]) if count[x] != len(texts): scores[x] = -999999 else: for x in scores: scores[x] = scores[x] / len(texts) scores = sorted(scores.items(), key=lambda x:x[1], reverse=True) return [(list(x[0]), examples[x[0]], x[1]) for x in scores] def unmask(self, text_with_mask, beam_size=10, candidates=None): if self.url is not None: params = {'text': text_with_mask, 'beam_size': beam_size, 'candidates': candidates} r = requests.post(url='%s/unmask' % self.url, data={'params': json.dumps(params)}) r = [tuple(x) for x in json.loads(r.text)] return r tokenizer = self.tokenizer model = self.model encoded = np.array(tokenizer.encode(self.prefix_sentence + text_with_mask, add_special_tokens=True)) cands = [] if candidates is not None: candidates = candidates + [self.space_prefix + x for x in candidates] cands = tokenizer.convert_tokens_to_ids(candidates) if self.allow_word_pieces: cands_with_space = list(set(cands)) else: cands_with_space = list(set(cands).intersection(self.with_space_set)) if not len(cands_with_space): return [] input_ids = torch.tensor(encoded) # toks = tokenizer.tokenize('[CLS] %s [SEP]' % string) current_beam= [([], 0)] masked = (input_ids == self.tokenizer.mask_token_id).numpy().nonzero()[0] # print(masked) while len(current_beam[0][0]) != masked.shape[0]: current_beam = current_beam[:beam_size] size = len(current_beam[0][0]) to_pred = [] new_beam = [] for i, current in enumerate(current_beam): idxs = current[0] c = encoded.copy() c[masked[:len(idxs)]] = idxs to_pred.append(c) # print('ae') # print('\n'.join([tokenizer.decode(x) for x in to_pred])) # print() to_pred = torch.tensor(to_pred, device=self.device).to(torch.int64) with torch.no_grad(): outputs = model(to_pred)[0] for i, current in enumerate(current_beam): prev = int(to_pred[i][masked[size] - 1]) forbid = False # allow tokens that don't start with space if previous is not alphanumeric if not self.allow_word_pieces and prev not in self.special_chars: forbid = True # print('Forbid Prev, current', prev, tokenizer.decode(to_pred[i][masked[size] - 1:masked[size]+1])) if candidates is not None: cands_to_use = cands_with_space if forbid else cands scores = [outputs[i, masked[size], j] for j in cands_to_use] new = [(current[0] + [int(x[0])], float(x[1]) + current[1]) for x in zip(cands_to_use, scores)] else: if forbid: v, top_preds = torch.topk(outputs[i, masked[size], self.with_space.to(torch.int64)], beam_size + 10) top_preds = self.with_space[top_preds] else: v, top_preds = torch.topk(outputs[i, masked[size]], beam_size + 10) new = [(current[0] + [int(x[0])], float(x[1]) + current[1]) for x in zip(top_preds, v)] new_beam.extend(new) current_beam = sorted(new_beam, key=lambda x:x[1], reverse=True) ret = [] ret_text = [] cop = encoded.copy() for idxs, score in current_beam: # words = tokenizer.convert_ids_to_tokens(idxs) words = [str(tokenizer.decode([i])).strip() for i in idxs] cop[masked] = idxs text = tokenizer.decode(cop[1 + self.prefix_len:-1]) ret.append((words, text, score / masked.shape[0])) ret = sorted(ret, key=lambda x:x[2], reverse=True) return ret def fill_in_between(self, pieces, beam_size=10, candidates=None): text = '' for p in pieces[:-1]: text += p text += ' ' + self.tokenizer.mask_token if p != '': text += ' ' text += pieces[-1] if pieces[-1] == '': text = text.rstrip() return self.unmask(text, beam_size=beam_size, candidates=candidates) def replace_word(self, text, word, threshold=5, beam_size=100, candidates=None): masked = re.sub(r'\b%s\b' % re.escape(word), self.tokenizer.mask_token, text) if masked == text: return [] if candidates is not None: candidates = [word] + candidates ret = self.unmask(masked, beam_size=beam_size, candidates=candidates) non_word = [x for x in ret if np.all([y not in [self.tokenizer.unk_token, word] for y in x[0]])] score = [x for x in ret if np.all([y in [word, self.tokenizer.unk_token] for y in x[0]])] if not score: score = 0 else: score = score[0][-1] escaped = re.escape(word) # new_ret = [(x[0], x[1], score - x[2]) for x in non_word if score - x[2] < threshold] try: new_ret = [(x[0], re.sub(r'\b%s\b' % escaped, x[0][0], text), score - x[2]) for x in non_word if score - x[2] < threshold] except: new_ret = [(x[0], x[1], score - x[2]) for x in non_word if score - x[2] < threshold] return new_ret def more_general(self, texts, word, threshold=5, pos=None, **kwargs): options = all_possible_hypernyms(word, pos=pos) # print(options) return self.filter_options(texts, word, options, threshold) def more_specific(self, texts, word, threshold=5, depth=3, pos=None, **kwargs): options = all_possible_hyponyms(word, depth=depth, pos=pos) return self.filter_options(texts, word, options, threshold) def related_words(self, texts, words, threshold=5, depth=3, pos=None, **kwargs): if type(words) != list: words = [words] if len(words) == 1: options = all_possible_hypernyms(words[0], pos=pos) ancestors = [x[0][0] for x in self.filter_options(texts, words[0], options, threshold)] # print(ancestors) options = list(set([y for x in ancestors for y in all_possible_hyponyms(x, depth=depth)])) else: options = all_possible_related(words, depth=depth) return self.filter_options(texts, words[0], options, threshold) def antonyms(self, texts, word, threshold=5, pos=None, **kwargs): options = all_possible_antonyms(word, pos=pos) return self.filter_options(texts, word, options, threshold) def synonyms(self, texts, word, threshold=5, pos=None, **kwargs): options = all_possible_synonyms(word, pos=pos) # print(options) return self.filter_options(texts, word, options, threshold) def filter_options(self, texts, word, options, threshold=5): if type(texts) != list: texts = [texts] options = options + [word] in_all = set(options) orig_ret = [] for text in texts: masked = re.sub(r'\b%s\b' % re.escape(word), self.tokenizer.mask_token, text) if masked == text: continue ret = self.unmask(masked, beam_size=100, candidates=options) if not ret: in_all = in_all.intersection(set()) continue non_word = [x for x in ret if np.all([y not in [self.tokenizer.unk_token, word] for y in x[0]])] score = [x for x in ret if np.all([y in [word, self.tokenizer.unk_token] for y in x[0]])] if score: score = score[0][-1] # this will happen when the word is not in the vocabulary, in which case we don't look at the score else: score = 0 new_ret = [(x[0], x[1], score - x[2]) for x in non_word if score - x[2] < threshold] # print(text) # print(new_ret) # print() if text == texts[0]: orig_ret = new_ret in_all = in_all.intersection(set([x[0][0] for x in new_ret])) return [x for x in orig_ret if x[0][0] in in_all] def antonym(self, text, word, threshold=5, synonym=False): options = all_possible_antonyms(word) if synonym: options = all_possible_synonyms(word) if not options: return [] options = options + [word] masked = re.sub(r'\b%s\b' % re.escape(word), '[MASK]', text) if masked == text: return [] ret = self.unmask(masked, beam_size=100000000, candidates=options) non_word = [x for x in ret if np.all([y not in [self.tokenizer.unk_token, word] for y in x[0]])] score = [x for x in ret if np.all([y in [word, self.tokenizer.unk_token] for y in x[0]])][0][-1] new_ret = [(x[0], x[1], score - x[2]) for x in non_word if score - x[2] < threshold] return new_ret def try_all_antonyms(self, text, threshold=5, synonym=False): if self.url is not None: params = {'text': text } r = requests.post(url='%s/tokenize' % self.url, data={'params': json.dumps(params)}) words = json.loads(r.text) else: words = self.tokenizer.tokenize(text) new_ret = [] for word in words: word = word.strip(self.space_prefix) try: if synonym: ret = self.synonyms(text, word, threshold) else: ret = self.antonyms(text, word, threshold) except: print('Error', word) print() continue new_ret.extend(ret) return sorted(new_ret, key=lambda x:x[2])

py

checklist

checklist-master/checklist/viewer/viewer.py

from .template_editor import TemplateEditor from .test_summarizer import TestSummarizer from .suite_summarizer import SuiteSummarizer

py

checklist

checklist-master/checklist/viewer/template_editor.py

import ipywidgets as widgets from traitlets import Unicode, List, Dict import os import typing import itertools try: from IPython.core.display import display, Javascript except: raise Exception("This module must be run in IPython.") DIRECTORY = os.path.abspath(os.path.dirname(__file__)) # import logging # logging.basicConfig(level=logging.INFO) # logger = logging.getLogger(__name__) # pylint: disable=invalid-name @widgets.register class TemplateEditor(widgets.DOMWidget): """An example widget.""" _view_name = Unicode('TemplateEditorView').tag(sync=True) _model_name = Unicode('TemplateEditorModel').tag(sync=True) _view_module = Unicode('viewer').tag(sync=True) _model_module = Unicode('viewer').tag(sync=True) _view_module_version = Unicode('^0.1.0').tag(sync=True) _model_module_version = Unicode('^0.1.0').tag(sync=True) templates = List([], help="The template list, with tags and masks.").tag(sync=True) bert_suggests = List([], help="The BERT suggestion list").tag(sync=True) def __init__(self, \ template_strs: typing.List[str], \ tagged_keys: typing.List[str], \ tag_dict: typing.Dict[str, str], \ mask_suggests: typing.List[typing.Union[str, tuple]], \ format_fn: typing.Callable, \ select_suggests_fn: typing.Callable, \ tokenizer, \ **kwargs): widgets.DOMWidget.__init__(self, **kwargs) self.format_fn = format_fn self.select_suggests_fn = select_suggests_fn # ONLY do tokenization here self.tokenizer = tokenizer self.bert_suggests = mask_suggests self.templates = [ self.tokenize_template_str(s, tagged_keys, tag_dict) for \ s in template_strs] self.on_msg(self.handle_events) def tokenize_template_str(self, template_str, tagged_keys, tag_dict, max_count=5): tagged_keys = list(tagged_keys) trans_keys = ["{" + key + "}" for key in tagged_keys] item_keys = [x[0] for x in tag_dict.items()] item_vals = [[x[1][:max_count]] if type(x[1]) not in [list, tuple] else x[1][:max_count] for x in tag_dict.items()] local_items = [] for idx, key in enumerate(tagged_keys): self.tokenizer.add_tokens(trans_keys[idx]) for item_val in itertools.product(*item_vals): if len(item_val) != len(set([str(x) for x in item_val])): continue local_item = {item_keys[i]: item_val[i] for i, _ in enumerate(item_val)} local_items.append(local_item) def _tokenize(text): tokens = [self.tokenizer.decode(x) for x in self.tokenizer.encode(text, add_special_tokens=False)] return [t for t in tokens if t] def get_meta(text): if text in trans_keys: idx = trans_keys.index(text) norm = tagged_keys[idx] lemma = norm.split(":")[-1] normalized_key = lemma.split('[')[0].split('.')[0] texts = list() for local_item in local_items: try: texts.append(self.format_fn(["{" + lemma +"}"], local_item)[0]) except: pass return (texts, norm, normalized_key) else: return text template_tokens = [get_meta(t) for t in _tokenize(template_str)] return template_tokens def handle_events(self, _, content, buffers): """ Event handler. Users trigger python functions through the frontend interaction. """ if content.get('event', '') == 'select_suggests': idxes = content.get("idxes", []) selected_suggests = [self.bert_suggests[i] for i in idxes] if self.select_suggests_fn: self.select_suggests_fn(selected_suggests) def render(self): """ Customized renderer. Directly load the bundled index. """ display(Javascript(open(os.path.join(DIRECTORY, 'static', 'index.js')).read()))

py

checklist

checklist-master/checklist/viewer/fake_data.py

tag_dict = {'pos_adj': 'good', 'air_noun': 'flight', 'intens': 'very'} raw_templates = [ ['It', 'is', ['good', 'a:pos_adj'], ['flight', 'air_noun'], '.'], ['It', ['', 'a:mask'], ['very', 'a:intens'], ['good', 'pos_adj'], ['', 'mask'],'.'] ] suggests = [ ['was', 'day'], ['been', 'day'], ['been', 'week'], ['was', 'time'], ['been', 'year'], ['was', 'experience'], ['been', 'weekend'], ['was', 'moment'], ['s', 'day'], ['was', 'game'] ] raw_testcases = [ { "examples": [{ "new": { "tokens": [ ["Who", "is", "taller", ",", "Mary", "or", "Heather", "?"], ["Who", "is", "taller", ",", "Heather", "or", "Mary", "?"] ], "pred": "1", "conf": 0.7 }, "old": None, "label": "1", "succeed": 0, }], "tags": ["person1=Mary", "person2=Heather", "comparative=taller"], "succeed": 0, }, { "examples": [{ "new": { "tokens": [ ["Who", "is", "taller", ",", "Mary", "or", "Heather", "?"], ["Who", "is", "taller", ",", "Heather", "or", "Mary", "?"] ], "pred": "1", "conf": 0.7 }, "old": None, "label": "1", "succeed": 1, }, { "new": { "tokens": [ ["Who", "is", "cooler", ",", "Mary", "or", "Heather", "?"], ["Who", "is", "cooler", ",", "Heather", "or", "Mary", "?"] ], "pred": "1", "conf": 0.7 }, "old": None, "label": "1", "succeed": 1, }], "tags": ["person1=Mary", "person2=Heather", "comparative=taller", "comparative=cooler"], "succeed": 1, }, { "examples": [{ "new": { "tokens": [ ["Who", "is", "taller", ",", "Mary", "or", "Heather", "?"], ["Who", "is", "taller", ",", "Heather", "or", "Mary", "?"] ], "pred": "0", "conf": 0.9 }, "old": { "tokens": [ ["Who", "is", "taller", ",", "Mary", "or", "Heather", "?"], ["Who", "is", "taller", ",", "Mary", "or", "Heather", "?"] ], "pred": "1", "conf": 0.7 }, "succeed": 0, "label": None, }, { "new": { "tokens": [ ["Who", "is", "cooler", ",", "Mary", "or", "Heather", "?"], ["Who", "is", "cooler", ",", "Heather", "or", "Mary", "?"] ], "pred": "1", "conf": 0.7 }, "old": { "tokens": [ ["Who", "is", "cooler", ",", "Mary", "or", "Heather", "?"], ["Who", "is", "cooler", ",", "Mary", "or", "Heather", "?"] ], "pred": "0", "conf": 0.8 }, "label": None, "succeed": 0, }], "succeed": 0, "tags": ["person1=Mary", "person2=Heather", "comparative=cooler", "comparative=taller"] } ] raw_testresult = { "name": "Change the PERSON order", "type": "inv", "expect_meta": {"expected": "equal"}, "tags": [ "person1=Mary", "person2=Heather", "person2=Marco", "comparative=cooler", "comparative=taller" ], "stats": {"nfailed": 10, "npassed": 20, "nfiltered": 20} }

py

checklist

checklist-master/checklist/viewer/suite_summarizer.py

import ipywidgets as widgets from traitlets import Unicode, List, Dict import os import typing from spacy.lang.en import English from copy import deepcopy try: from IPython.core.display import display, Javascript except: raise Exception("This module must be run in IPython.") DIRECTORY = os.path.abspath(os.path.dirname(__file__)) from .test_summarizer import TestSummarizer @widgets.register class SuiteSummarizer(TestSummarizer): """An testcase widget.""" _view_name = Unicode('SuiteSummarizerView').tag(sync=True) _model_name = Unicode('SuiteSummarizerModel').tag(sync=True) _view_module = Unicode('viewer').tag(sync=True) _model_module = Unicode('viewer').tag(sync=True) _view_module_version = Unicode('^0.1.0').tag(sync=True) _model_module_version = Unicode('^0.1.0').tag(sync=True) test_infos = List([]).tag(sync=True) def __init__(self, test_infos: typing.Dict, select_test_fn: typing.Callable, \ **kwargs): TestSummarizer.__init__(self, test_summary=None, testcases=[], **kwargs) self.test_infos = test_infos self.select_test_fn = select_test_fn self.on_msg(self.handle_events) def handle_events(self, _, content, buffers): """ Event handler. Users trigger python functions through the frontend interaction. """ if content.get('event', '') == 'apply_filter': filter_tags = content.get("filter_tags", []) is_fail_case = content.get("filter_fail_case", []) self.search(filter_tags, is_fail_case) elif content.get('event', '') == 'fetch_example': self.fetch_example() elif content.get('event', '') == 'switch_test': testname = content.get("testname", "") self.on_select_test(testname) def on_select_test(self, testname: str) -> None: if not self.select_test_fn: summary, testcases = None, [] else: summary, testcases = self.select_test_fn(testname) self.reset_summary(summary) self.reset_testcases(testcases)

py

checklist

checklist-master/checklist/viewer/__init__.py

def _jupyter_nbextension_paths(): return [{ 'section': 'notebook', 'src': 'static', 'dest': 'viewer', 'require': 'viewer/extension' }]

py

checklist

checklist-master/checklist/viewer/test_summarizer.py

import ipywidgets as widgets from traitlets import Unicode, List, Dict import os import typing from spacy.lang.en import English from copy import deepcopy try: from IPython.core.display import display, Javascript except: raise Exception("This module must be run in IPython.") DIRECTORY = os.path.abspath(os.path.dirname(__file__)) @widgets.register class TestSummarizer(widgets.DOMWidget): """An testcase widget.""" _view_name = Unicode('TestSummarizerView').tag(sync=True) _model_name = Unicode('TestSummarizerModel').tag(sync=True) _view_module = Unicode('viewer').tag(sync=True) _model_module = Unicode('viewer').tag(sync=True) _view_module_version = Unicode('^0.1.0').tag(sync=True) _model_module_version = Unicode('^0.1.0').tag(sync=True) stats = Dict({}).tag(sync=True) testcases = List([]).tag(sync=True) summarizer = Dict({}).tag(sync=True) def __init__(self, test_summary: typing.Dict, testcases: typing.List, **kwargs): widgets.DOMWidget.__init__(self, **kwargs) nlp = English() # ONLY do tokenization here (compatible with spaCy 2.3.x and 3.x.x) self.tokenizer = nlp.tokenizer self.max_return = 10 self.reset_summary(test_summary) self.reset_testcases(testcases) self.on_msg(self.handle_events) def reset_summary(self, test_summary=None): self.summarizer = test_summary if test_summary else {} def reset_testcases(self, testcases=None): self.filtered_testcases = testcases if testcases else [] self.tokenize_testcases() self.search(filter_tags=[], is_fail_case=True) def handle_events(self, _, content, buffers): """ Event handler. Users trigger python functions through the frontend interaction. """ if content.get('event', '') == 'apply_filter': filter_tags = content.get("filter_tags", []) is_fail_case = content.get("filter_fail_case", []) self.search(filter_tags, is_fail_case) elif content.get('event', '') == 'fetch_example': self.fetch_example() def tokenize_testcases(self): for testcase in self.filtered_testcases: for e in testcase["examples"]: for tag in ["old", "new"]: if not e[tag]: continue tokens = [] if type(e[tag]["text"]) != list: e[tag]["tokens"] = [str(e[tag]["text"])] else: e[tag]["tokens"] = [str(s) for s in e[tag]["text"]] for sentence in e[tag]["tokens"]: tokens.append([t.text for t in self.tokenizer(sentence)]) e[tag]["tokens"] = tokens def render(self): """ Customized renderer. Directly load the bundled index. """ display(Javascript(open(os.path.join(DIRECTORY, 'static', 'index.js')).read())) def compute_stats_result(self, candidate_testcases): nfailed = len([ e for e in candidate_testcases if e["succeed"] == 0 ]) self.stats = { "npassed": len(candidate_testcases) - nfailed, "nfailed": nfailed, "nfiltered": 0 } def is_satisfy_filter(self, testcase, filter_tags: typing.List[str], is_fail_case: bool) -> bool: testcase_tags = testcase["tags"] texts = [] for e in testcase["examples"]: for tag in ["old", "new"]: if not e[tag]: continue for tokens in e[tag]["tokens"]: texts += tokens def raw_text_search(tag, testcase_tags, text): text_searched = tag in text.lower() return tag in testcase_tags or text_searched is_tag_filtered = all([raw_text_search(t, testcase_tags, " ".join(texts)) for t in filter_tags]) is_failured_filtered = not (is_fail_case and testcase["succeed"] == 1) return is_tag_filtered and is_failured_filtered def search(self, filter_tags: typing.List[str], is_fail_case: bool): self.testcases = [] candidate_testcases_not_fail = [ e for e in self.filtered_testcases if \ self.is_satisfy_filter(e, filter_tags, False) ] self.candidate_testcases = [ e for e in candidate_testcases_not_fail if \ not (is_fail_case and e["succeed"] == 1) ] self.compute_stats_result(candidate_testcases_not_fail) self.to_slice_idx = 0 self.fetch_example() def fetch_example(self): if self.to_slice_idx >= len(self.candidate_testcases): self.testcases = [] else: new_examples = self.candidate_testcases[self.to_slice_idx : self.to_slice_idx+self.max_return] self.to_slice_idx += len(new_examples) self.testcases = [e for e in new_examples]

py

checklist

checklist-master/checklist/viewer/static/__init__.py

py

checklist

checklist-master/docs/source/conf.py

# Configuration file for the Sphinx documentation builder. # # This file only contains a selection of the most common options. For a full # list see the documentation: # https://www.sphinx-doc.org/en/master/usage/configuration.html # -- Path setup -------------------------------------------------------------- # If extensions (or modules to document with autodoc) are in another directory, # add these directories to sys.path here. If the directory is relative to the # documentation root, use os.path.abspath to make it absolute, like shown here. # import os import sys sys.path.insert(0, os.path.abspath('.')) sys.path.insert(0, os.path.abspath('..')) sys.path.insert(0, os.path.abspath('../..')) sys.path.insert(0, os.path.abspath('../../checklist')) autodoc_mock_imports = [ 'spacy', 'spacy.cli', 'nltk', 'nltk.corpus', 'nltk.tree', 'pattern', 'numpy', 'np', 'spacy.syntax.nn_parser.array', '__reduce_cython__', 'numpy.dtype', 'spacy.syntax.nn_parser.array.__reduce_cython__', '_ARRAY_API', 'BertForMaskedLM', 'dill', 'munch', 'pattern.en', 'transformers', 'ipywidgets', 'tqdm', 'traitlets', 'torch', 'typing', 'spacy.attrs', 'spacy.lang.en', 'IPython', 'IPython.core.display', 'iso639' ] # -- Project information ----------------------------------------------------- project = 'checklist' copyright = '2020, Marco Tulio Ribeiro' author = 'Marco Tulio Ribeiro' # -- General configuration --------------------------------------------------- # Add any Sphinx extension module names here, as strings. They can be # extensions coming with Sphinx (named 'sphinx.ext.*') or your custom # ones. extensions = [ 'sphinx.ext.autodoc', 'sphinx.ext.napoleon', 'sphinx.ext.coverage', 'sphinx.ext.doctest', 'sphinx.ext.linkcode', 'sphinx.ext.mathjax', 'sphinx.ext.autosummary', 'sphinx.ext.coverage', ] # The master toctree document. master_doc = 'index' autodoc_member_order = 'groupwise' autoclass_content = 'both' # Napoleon settings napoleon_google_docstring = True napoleon_numpy_docstring = True napoleon_include_init_with_doc = False napoleon_include_private_with_doc = False napoleon_include_special_with_doc = False napoleon_use_admonition_for_examples = False napoleon_use_admonition_for_notes = False napoleon_use_admonition_for_references = False napoleon_use_ivar = False napoleon_use_param = False napoleon_use_rtype = True # Add any paths that contain templates here, relative to this directory. templates_path = ['_templates'] # List of patterns, relative to source directory, that match files and # directories to ignore when looking for source files. # This pattern also affects html_static_path and html_extra_path. exclude_patterns = ['_build', 'Thumbs.db', '.DS_Store', "static"] # -- Options for HTML output ------------------------------------------------- # The theme to use for HTML and HTML Help pages. See the documentation for # a list of builtin themes. # html_theme = 'sphinx_rtd_theme' # Add any paths that contain custom static files (such as style sheets) here, # relative to this directory. They are copied after the builtin static files, # so a file named "default.css" will overwrite the builtin "default.css". html_static_path = ['_static'] # make github links resolve def linkcode_resolve(domain, info): """ Determine the URL corresponding to Python object This code is from https://github.com/numpy/numpy/blob/master/doc/source/conf.py#L290 and https://github.com/Lasagne/Lasagne/pull/262 """ if domain != 'py': return None modname = info['module'] fullname = info['fullname'] submod = sys.modules.get(modname) if submod is None: return None obj = submod for part in fullname.split('.'): try: obj = getattr(obj, part) except: return None try: fn = inspect.getsourcefile(obj) except: fn = None if not fn: return None try: source, lineno = inspect.getsourcelines(obj) except: lineno = None if lineno: linespec = "#L%d-L%d" % (lineno, lineno + len(source) - 1) else: linespec = "" filename = info['module'].replace('.', '/') return "https://github.com/marcotcr/checklist/blob/master/%s.py%s" % (filename, linespec)

py

CQMaxwell

CQMaxwell-main/RKRefErrorDatadelta10.py

import bempp.api import numpy as np import math from RKconv_op import * print("Bempp version used : " + bempp.api.__version__) def create_timepoints(c,N,T): m=len(c) time_points=np.zeros((1,m*N)) for j in range(m): time_points[0,j:m*N:m]=c[j]*1.0/N*np.ones((1,N))+np.linspace(0,1-1.0/N,N) return T*time_points def create_rhs(grid,dx,N,T,m): # grid=bempp.api.shapes.cube(h=1) # OrderQF = 8 #tol= np.finfo(float).eps bempp.api.global_parameters.quadrature.near.max_rel_dist = 2 bempp.api.global_parameters.quadrature.near.single_order =OrderQF-1 bempp.api.global_parameters.quadrature.near.double_order = OrderQF-1 bempp.api.global_parameters.quadrature.medium.max_rel_dist =4 bempp.api.global_parameters.quadrature.medium.single_order =OrderQF-2 bempp.api.global_parameters.quadrature.medium.double_order =OrderQF-2 bempp.api.global_parameters.quadrature.far.single_order =OrderQF-3 bempp.api.global_parameters.quadrature.far.double_order =OrderQF-3 bempp.api.global_parameters.quadrature.double_singular = OrderQF bempp.api.global_parameters.hmat.eps=10**-4 bempp.api.global_parameters.hmat.admissibility='strong' if (m==2): c_RK=np.array([1.0/3,1]) if (m==3): c_RK=np.array([2.0/5-math.sqrt(6)/10,2.0/5+math.sqrt(6)/10,1]) from bempp.api.operators.boundary import maxwell from bempp.api.operators.boundary import sparse # multitrace = maxwell.multitrace_operator(grid, 1) NC_space = bempp.api.function_space(grid,"NC",0) RT_space = bempp.api.function_space(grid,"RT",0) #curl_space = bempp.api.function_space(grid, "RBC", 0) BC_space=bempp.api.function_space(grid, "BC",0) SNC_space=bempp.api.function_space(grid, "SNC",0) BRWG_space=bempp.api.function_space(grid, "B-RWG",0) # div_space=bempp.api.function_space(grid, "B-RWG",0) RBC_space=bempp.api.function_space(grid,"RBC",0) # curl_space=bempp.api.function_space(grid,"RBC",0) #from bempp.api.operators.boundary.sparse import identity as ident # id1 = ident(div_space,div_space,curl_space).weak_form() # print("CONDITION NUMBER : ", np.linalg.cond(bempp.api.as_matrix(id1).todense())) dof=RT_space.global_dof_count dof1=NC_space.global_dof_count print(" DOF: ", dof) rhs=np.zeros((dof+dof,N*m)) curls=np.zeros((dof,N*m)) time_points=create_timepoints(c_RK,N,T) for j in range(m*N): t=time_points[0,j] def incident_field(x): return np.array([np.exp(-50*(x[2]-t+2)**2), 0. * x[2], 0. * x[2]]) #return np.array([np.exp(-200*(x[2]-t+2)**2), 0. * x[2], 0. * x[2]]) def tangential_trace(x, n, domain_index, result): result[:] = np.cross(n,np.cross(incident_field(x), n)) def curl_trace(x,n,domain_index,result): curlU=np.array([ 0. * x[2],-100*(x[2]-t+2)*np.exp(-50*(x[2]-t+2)**2), 0. * x[2]]) result[:] = np.cross(curlU , n) curl_fun = bempp.api.GridFunction(RT_space, fun=curl_trace,dual_space=RT_space) trace_fun= bempp.api.GridFunction(RT_space, fun=tangential_trace,dual_space=RT_space) rhs[0:dof,j]=trace_fun.coefficients curlCoeffs=curl_fun.coefficients if np.linalg.norm(curlCoeffs)>10**-9: curls[0:dof,j]=curlCoeffs #print("RHS NORM :", np.linalg.norm(trace_fun.coefficients)) def sinv(s,b): return s**(-1)*b IntegralOperator=Conv_Operator(sinv) def HarmonicImpedance(s,b): return 10*s**(0.5)*b TimeImpedance=Conv_Operator(HarmonicImpedance) if (m==2): curls=IntegralOperator.apply_RKconvol(curls,T,method="RadauIIA-2",show_progress=False) ZptNeuTrace=TimeImpedance.apply_RKconvol(curls,T,method="RadauIIA-2",show_progress=False) if (m==3): curls=IntegralOperator.apply_RKconvol(curls,T,method="RadauIIA-3",show_progress=False) ZptNeuTrace=TimeImpedance.apply_RKconvol(curls,T,method="RadauIIA-3",show_progress=False) rhs[0:dof,:]=np.real(ZptNeuTrace)-rhs[0:dof,:] return rhs def harmonic_calderon(s,b,grid): points=np.array([[0],[0],[2]]) #normb=np.linalg.norm(b[0])+np.linalg.norm(b[1])+np.linalg.norm(b[2]) normb=np.max(np.abs(b)) bound=np.abs(s)**4*np.exp(-s.real)*normb print("s: ",s, " maxb: ", normb, " bound : ", bound) if bound <10**(-9): print("JUMPED") return np.zeros(3) OrderQF = 8 #tol= np.finfo(float).eps bempp.api.global_parameters.quadrature.near.max_rel_dist = 2 bempp.api.global_parameters.quadrature.near.single_order =OrderQF-1 bempp.api.global_parameters.quadrature.near.double_order = OrderQF-1 bempp.api.global_parameters.quadrature.medium.max_rel_dist =4 bempp.api.global_parameters.quadrature.medium.single_order =OrderQF-2 bempp.api.global_parameters.quadrature.medium.double_order =OrderQF-2 bempp.api.global_parameters.quadrature.far.single_order =OrderQF-3 bempp.api.global_parameters.quadrature.far.double_order =OrderQF-3 bempp.api.global_parameters.quadrature.double_singular = OrderQF bempp.api.global_parameters.hmat.eps=10**-4 bempp.api.global_parameters.hmat.admissibility='strong' ### Define Spaces NC_space=bempp.api.function_space(grid, "NC",0) RT_space=bempp.api.function_space(grid, "RT",0) elec = -bempp.api.operators.boundary.maxwell.electric_field(RT_space, RT_space, NC_space,1j*s) magn = -bempp.api.operators.boundary.maxwell.magnetic_field(RT_space, RT_space, NC_space, 1j*s) identity2=bempp.api.operators.boundary.sparse.identity(RT_space, RT_space, RT_space) identity= -bempp.api.operators.boundary.sparse.identity(RT_space, RT_space, NC_space) dof=NC_space.global_dof_count trace_fun= bempp.api.GridFunction(RT_space, coefficients=b[0:dof],dual_space=RT_space) ######## End condition, by theoretical bound: normb=trace_fun.l2_norm() bound=np.abs(s)**3*np.exp(-s.real)*normb if bound <10**(-8): print("JUMPED") return np.zeros(3) zero_fun= bempp.api.GridFunction(RT_space,coefficients = b[dof:],dual_space=RT_space) #rhs=[trace_fun,zero_fun] id_discrete=identity2.weak_form() b[0:dof]=id_discrete*b[0:dof] blocks=np.array([[None,None], [None,None]]) #blocks[0,0] = -elec.weak_form()+10*s**0.5*identity2.weak_form() blocks[0,0] = -elec.weak_form()+10*s**0.5*identity2.weak_form() blocks[0,1] = magn.weak_form()-1.0/2*identity.weak_form() blocks[1,0] = -magn.weak_form()-1.0/2*identity.weak_form() blocks[1,1] = -elec.weak_form() blocks=bempp.api.BlockedDiscreteOperator(blocks) # A_mat=bempp.api.as_matrix(blocks) # print("A_mat : ",A_mat) # e,D=np.linalg.eig(A_mat) # print("Eigs : ", e) # print("Cond : ", np.linalg.cond(A_mat)) ## ## trace_fun= bempp.api.GridFunction(multitrace.range_spaces[0], coefficients=b[0:dof],dual_space=multitrace.dual_to_range_spaces[0]) ## ## zero_fun= bempp.api.GridFunction(multitrace.range_spaces[1],coefficients = b[dof:],dual_space=multitrace.dual_to_range_spaces[1]) ## ## rhs=[trace_fun,zero_fun] ## ## #print("Still living") ## #from bempp.api.linalg import gmres from scipy.sparse.linalg import gmres print("Start GMRES : ") # def print_res(rk): # print("Norm of residual: "+ str(np.linalg.norm(rk))) #print(np.linalg.norm(lambda_data)) #lambda_data,info = gmres(blocks, b,tol=10**-4,restart=50,maxiter=100,callback=print_res) lambda_data,info = gmres(blocks, b,tol=10**-5,maxiter=300) print("INFO :", info) #lambda_data,info = gmres(blocks, b,tol=10**-4,callback=print_res) #print("I survived!") #from bempp.api.linalg import lu #lambda_data = lu(elec, trace_fun) #lambda_data.plot() #print("Norm lambda_data : ",np.linalg.norm(lambda_data)) #if (np.linalg.norm(lambda_data)<10**-10): phigrid=bempp.api.GridFunction(RT_space,coefficients=lambda_data[0:dof],dual_space=RT_space) psigrid=bempp.api.GridFunction(RT_space,coefficients=lambda_data[dof:2*dof],dual_space=RT_space) slp_pot = bempp.api.operators.potential.maxwell.electric_field(RT_space, points, s*1j) dlp_pot = bempp.api.operators.potential.maxwell.magnetic_field(RT_space, points, s*1j) print("Evaluate field : ") scattered_field_data = -slp_pot * phigrid+dlp_pot*psigrid # scattered_field_H = -slp_pot * psigrid-dlp_pot*phigrid # H = scattered_field_H.reshape(3,1)[:,0] # print(" E : ", E, " H : ", H) # print("Angle: ", np.dot(E,H), " Scalar product with conjugation : ", np.dot(np.conj(E),H)) # print("NORM COMBINED OPERATOR :" , np.linalg.norm(scattered_field_data)/np.linalg.norm(b)) # print(scattered_field_data) # print("NORM ScatteredField :", np.linalg.norm(scattered_field_data)) # # print("s : ", s) # print("NORM B :" ,np.linalg.norm(b)) if np.isnan(scattered_field_data).any(): print("NAN Warning, s = ", s) scattered_field_data=np.zeros(np.shape(scattered_field_data)) return scattered_field_data.reshape(3,1)[:,0] def scattering_solution(dx,N,T,m): grid=bempp.api.shapes.sphere(h=dx) rhs=create_rhs(grid,dx,N,T,m) def ellipticSystem(s,b): return harmonic_calderon(s,b,grid) ScatOperator=Conv_Operator(ellipticSystem) #num_sol=ScatOperator.apply_convol(rhs,T) if (m==2): num_solStages=ScatOperator.apply_RKconvol(rhs,T,cutoff=10**(-5),method="RadauIIA-2") if (m==3): num_solStages=ScatOperator.apply_RKconvol(rhs,T,cutoff=10**(-5),method="RadauIIA-3") num_sol=np.zeros((len(num_solStages[:,0]),N+1)) num_sol[:,1:N+1]=np.real(num_solStages[:,m-1:N*m:m]) return num_sol import time T=6 #N_ref=2**4 N_ref=2**11 tt_ref=np.linspace(0,T,N_ref+1) #dx_ref=np.sqrt(2)**(-4) dx_ref=np.sqrt(2)**(-9) m=3 import matplotlib.pyplot as plt start=time.time() #sol_ref=scattering_solution(dx_ref,N_ref,T) #sol_ref2=scattering_solution(dx_ref,N_ref,T) # #tt=np.linspace(0,T,N_ref+1) #plt.plot(tt,np.abs(sol_ref[0,:])) #plt.plot(tt,np.abs(sol_ref[0,:]-sol_ref2[0,:])) ##plt.plot(tt,resc_ref[0,:],linestyle='dashed') ##plt.plot(tt,num_sol[0,:]) #plt.show() sol_ref=scattering_solution(dx_ref,N_ref,T,m) # np.save("data/sol_ref_absorbing_delta10_N2h11_dxsqrt2m9RK5.npy",sol_ref) #sol_ref=np.load("data/sol_ref_absorbing_delta0p1_N2h11_dxsqrt2m10RK5.npy") #Current Reference solutions: #np.save("data/sol_ref_absorbing_delta0p1_N212_dxsqrt2m9RK5.npy",sol_ref) #np.save("data/sol_ref_absorbing_delta001_N212_dxsqrt2m9RK3.npy",sol_ref) #sol_ref=np.load("data/sol_ref_absorbing_delta1_N212_dxsqrt2m9RK3.npy") #sol_ref=np.load("data/sol_ref_absorbing_delta001_N212_dxsqrt2m9RK3.npy") #sol_ref=np.load("data/sol_ref_absorbing_N212_dxsqrt2m7RK5.npy") #import scipy.io #scipy.io.loadmat('data/Err_data_delta1.mat') #tt=np.linspace(0,T,N_ref+1) #plt.plot(tt,sol_ref[0,:]) #plt.show() #plt.plot(sol_ref[0,:]**2+sol_ref[1,:]**2+sol_ref[2,:]**2) #plt.show() Am_space=8 Am_time=7 #Am_space=1 #Am_time=8 tau_s=np.zeros(Am_time) h_s=np.zeros(Am_space) errors=np.zeros((Am_space,Am_time)) m=2 for ixSpace in range(Am_space): for ixTime in range(Am_time): N=8*2**(ixTime) tau_s[ixTime]=T*1.0/N tt=np.linspace(0,T,N+1) dx=np.sqrt(2)**(-ixSpace) h_s[ixSpace]=dx ########## Rescaling reference solution: speed=N_ref/N resc_ref=np.zeros((3,N+1)) # resc_ref=sol_ref for j in range(N+1): resc_ref[:,j] = sol_ref[:,j*speed] #num_sol = calc_ref_sol(N,dx,F_transfer) num_sol = scattering_solution(dx,N,T,m) # plt.plot(tt,num_sol[0,:]**2+num_sol[1,:]**2+num_sol[2,:]**2) # plt.plot(tt_ref,sol_ref[0,:]**2+sol_ref[1,:]**2+sol_ref[2,:]**2,linestyle='dashed') # plt.show() errors[ixSpace,ixTime]=np.max(np.abs(resc_ref-num_sol)) print(errors) import scipy.io scipy.io.savemat('data/Err_data_delta10.mat', dict( ERR=errors,h_s=h_s,tau_s=tau_s)) #scipy.io.savemat('data/Err_data_delta0p1_long.mat', dict( ERR=errors,h_s=h_s,tau_s=tau_s)) end=time.time() print("Script Runtime: "+str((end-start)/60) +" Min") #

py

CQMaxwell

CQMaxwell-main/libVersions.py

import bempp.api import scipy import numpy import matplotlib print("Bempp version :", bempp.api.__version__) print("Scipy version :", scipy.__version__) print("Numpy version :", numpy.__version__) print("Matplotlib version :", matplotlib.__version__)

py

CQMaxwell

CQMaxwell-main/RKconv_op.py

class Conv_Operator: import numpy as np tol=10**-16 def __init__(self,apply_elliptic_operator,order=2): self.order=order self.delta=lambda zeta : self.char_functions(zeta,order) self.apply_elliptic_operator=apply_elliptic_operator def get_integration_parameters(self,N,T): tol=self.tol dt=(T*1.0)/N L=N*2 rho=tol**(1.0/(2*L)) return L,dt,tol,rho def char_functions(self,zeta,order): if order==1: return 1-zeta else: if order==2: return 1.5-2.0*zeta+0.5*zeta**2 else: if order ==3: #return 1-zeta**3 return (1-zeta)+0.5*(1-zeta)**2+1.0/3.0*(1-zeta)**3 else: print("Multistep order not availible") def get_zeta_vect(self,N,T): L,dt,tol,rho=self.get_integration_parameters(N,T) import numpy as np Unit_Roots=np.exp(-1j*2*np.pi*(np.linspace(0,L,L+1)/(L+1))) Zeta_vect=self.delta( rho* Unit_Roots)/dt return Zeta_vect def get_frequencies(self,N,T): import numpy as np L,dt,tol,rho=self.get_integration_parameters(N,T) Unit_Roots=np.exp(-1j*2*np.pi*(np.linspace(0,L-1,L)/(L))) return rho*Unit_Roots def get_method_characteristics(self,method): import numpy as np import math if (method == "RadauIIA-2"): c_RK=np.array([1.0/3,1]) A_RK=np.array([[5.0/12,-1.0/12],[3.0/4,1.0/4]]) b_RK=np.array([[3.0/4,1.0/4]]) elif (method == "RadauIIA-3"): A_RK=np.array([[11.0/45-7*math.sqrt(6)/360, 37.0/225-169.0*math.sqrt(6)/1800 , -2.0/225+math.sqrt(6)/75],[37.0/225+169.0*math.sqrt(6)/1800,11.0/45+7*math.sqrt(6)/360,-2.0/225-math.sqrt(6)/75],[4.0/9-math.sqrt(6)/36,4.0/9+math.sqrt(6)/36,1.0/9]]) c_RK=np.array([2.0/5-math.sqrt(6)/10,2.0/5+math.sqrt(6)/10,1]) b_RK=np.array([4.0/9-math.sqrt(6)/36,4.0/9+math.sqrt(6)/36,1.0/9]) m=len(A_RK[0,:]) return A_RK,b_RK,c_RK,m def format_rhs(self,rhs,m): try: N=(len(rhs[0,:]))/m except: N=(len(rhs))/m rhs_mat=np.zeros((1,N+1)) rhs_mat[0,:]=rhs rhs=rhs_mat return rhs,N def apply_RKconvol(self,rhs,T,show_progress=True,method="RadauIIA-2",cutoff=10**(-8)): import numpy as np import bempp.api ## Step 1 [A_RK,b_RK,c_RK,m]=self.get_method_characteristics(method) self.m=m [rhs,N]=self.format_rhs(rhs,m) L,dt,tol,rho=self.get_integration_parameters(N,T) rhs_fft=1j*np.zeros((len(rhs[:,0]),m*L)) for stageInd in range(m): rhs_fft[:,stageInd:m*L:m]=self.scale_fft(rhs[:,stageInd:m*N:m],N,T) #Initialising important parameters for the later stage s_vect=self.get_frequencies(N,T) dof=len(rhs[:,0]) L,dt,tol,rho=self.get_integration_parameters(N,T) Half=int(np.ceil(float(L)/2.0)) ## Step 2 #phi_hat=1j*np.zeros((dof,L+1)) normsRHS=np.ones(m*L) counter=0 for j in range(0,m*L): normsRHS[j]=np.max(np.abs(rhs_fft[:,j])) if normsRHS[j]>cutoff: counter=counter+1 #import matplotlib.pyplot as plt #plt.semilogy(normsRHS) #plt.show() print("CUTOFF :", cutoff) HalfL= int(np.ceil(float(L)/2.0)) print("Amount of Systems needed: "+ str(counter)) #Timing the elliptic systems import time start=0 end=0 rhsStages=1j*np.zeros((len(rhs_fft[:,0]),m)) for j in range(0,HalfL+1): s=s_vect[j] deltaMatrix=np.linalg.inv(A_RK+s*1.0/(1-s)*np.ones((m,1))*b_RK) deltaEigs,T =np.linalg.eig(deltaMatrix) # print("CONDITION T: ", np.linalg.cond(T)) deltaEigs=deltaEigs/dt Tinv=np.linalg.inv(T) # print("NormT: ",np.linalg.norm(T)) if show_progress: print("j:",j,"L:",L, "Time of previous iteration: " +str((end-start)/60), " MIN" ) start=time.time() if j>0: relevantChange=False rhsStages=1j*rhsStages*0 lhsStages=1j*lhsStages*0 for stageInd in range(m): for sumInd in range(m): rhsStages[:,stageInd]=rhsStages[:,stageInd]+Tinv[stageInd,sumInd]*rhs_fft[:,m*j+sumInd] maxRHS=np.max(np.abs(rhsStages[:,stageInd])) #print("RHS MAX : ",maxRHS ) if maxRHS>cutoff: relevantChange=True lhsStages[:,stageInd]=self.apply_elliptic_operator(deltaEigs[stageInd],rhsStages[:,stageInd]) else: relevantChange=True for sumInd in range(m): rhsStages[:,0]=rhsStages[:,0]+Tinv[0,sumInd]*rhs_fft[:,m*j+sumInd] first_eval=self.apply_elliptic_operator(deltaEigs[0],rhsStages[:,0]) phi_hat=1j*np.zeros((len(first_eval),m*L)) lhsStages=1j*np.zeros((len(phi_hat[:,0]),m)) lhsStages[:,0]=first_eval for stageInd in range(1,m): for sumInd in range(m): rhsStages[:,stageInd]=rhsStages[:,stageInd]+Tinv[stageInd,sumInd]*rhs_fft[:,m*j+sumInd] lhsStages[:,stageInd]=self.apply_elliptic_operator(deltaEigs[stageInd],rhsStages[:,stageInd]) if relevantChange: for stageInd in range(m): for sumInd in range(m): phi_hat[:,m*j+stageInd]=phi_hat[:,m*j+stageInd]+T[stageInd,sumInd]*lhsStages[:,sumInd] end=time.time() # for j in range(Half+1,L+1): # phi_hat[:,j]=np.conj(phi_hat[:,L+1-j]) ## Step 3 for freqInd in range(HalfL,L): for stageInd in range(m): phi_hat[:,freqInd*m+stageInd]=np.conj(phi_hat[:,m*(L-freqInd)+stageInd]) #print(phi_hat) #print(phi_hat2) #print("ERR: ",np.abs(phi_hat-phi_hat2)) #print("phi_hat ",phi_hat) # #print("phi_hat2 ",phi_hat2) #phi_sol=1j*phi_hat*0 for stageInd in range(m): phi_hat[:,stageInd:m*L:m]=self.rescale_ifft(phi_hat[:,stageInd:m*L:m],N,T) #phi_sol[:,1:2*N+2:2]=self.rescale_ifft(phi_hat[:,1:2*N+2:2]) phi_sol=phi_hat[:,:m*N] if len(phi_sol[:,0])==1: phi_sol=phi_sol[0,:] return phi_sol def apply_convol(self,rhs,T,show_progress=True,method="BDF2",cutoff=10**(-8)): import numpy as np import bempp.api if (method == "RadauIIA-2"): print(show_progress) return self.apply_RKconvol(rhs,T,show_progress=show_progress,method=method,cutoff=cutoff) ## Step 1 print("In apply_convol") try: N=len(rhs[0,:])-1 except: N=len(rhs)-1 rhs_mat=np.zeros((1,N+1)) rhs_mat[0,:]=rhs rhs=rhs_mat normsRHS=np.ones(N+1) for j in range(0,N+1): normsRHS[j]=np.max(np.abs(rhs[:,j])) #import matplotlib.pyplot as plt #plt.semilogy(normsRHS) #plt.show() rhs_fft=self.scale_fft(rhs) # import matplotlib.pyplot as plt # for j in range(0,len(rhs[:,0])): # print("rhs_fft : " , np.abs(rhs[j,:])) # plt.loglog(list(map(max,np.abs(rhs_fft[j,:]),10**-15*np.ones(len(rhs_fft[j,:]))))) # plt.show() # #Initialising important parameters for the later stage Zeta_vect=self.get_zeta_vect(N,T) print("ZETA0 :", Zeta_vect[0]) dof=len(rhs[:,0]) L,dt,tol,rho=self.get_integration_parameters(N,T) Half=int(np.ceil(float(L)/2.0)) ## Step 2 #phi_hat=1j*np.zeros((dof,L+1)) normsRHS=np.ones(L+1) counter=0 for j in range(0,Half+1): normsRHS[j]=np.max(np.abs(rhs_fft[:,j])) if normsRHS[j]>cutoff: counter=counter+1 #import matplotlib.pyplot as plt #plt.semilogy(normsRHS) #plt.show() print("CUTOFF :", cutoff) print("Amount of Systems needed: "+ str(counter)) #Timing the elliptic systems import time start=0 end=0 for j in range(0,Half+1): normsRHS[j]=np.max(np.abs(rhs_fft[:,j])) #print("normRHS:",normsRHS[j]) if normsRHS[j]>cutoff: if show_progress: print("j:",j,"L:",str(Half), "Time of previous iteration: " +str((end-start)/60), " MIN" ) start=time.time() if j>0: phi_hat[:,j]=self.apply_elliptic_operator(Zeta_vect[j],rhs_fft[:,j]) else: first_eval=self.apply_elliptic_operator(Zeta_vect[j],rhs_fft[:,j]) phi_hat=1j*np.zeros((len(first_eval),L+1)) phi_hat[:,0]=first_eval end=time.time() for j in range(Half+1,L+1): phi_hat[:,j]=np.conj(phi_hat[:,L+1-j]) ## Step 3 import matplotlib.pyplot as plt phi_sol=self.rescale_ifft(phi_hat) phi_sol=phi_sol[:,:m*N] if len(phi_sol[:,0])==1: phi_sol=phi_sol[0,:] return phi_sol def scale_fft(self,A,N,T): import numpy as np L,dt,tol,rho=self.get_integration_parameters(N,T) n_rows=len(A[:,0]) n_columns=len(A[0,:]) A=rho**(np.linspace(0,n_columns-1,n_columns))*A A_fft=np.fft.fft(np.concatenate((A,np.zeros((n_rows,L-n_columns))),axis=1)) return A_fft def rescale_ifft(self,A,N,T): import numpy as np L,dt,tol,rho=self.get_integration_parameters(N,T) n_rows=len(A[:,0]) n_columns=len(A[0,:]) A_ift=np.real(np.fft.ifft(A)) A_sol=np.real(rho**(-np.linspace(0,n_columns-1,n_columns))*A_ift[:,0:n_columns]) return(A_sol)

py

CQMaxwell

CQMaxwell-main/FramesAndConditions.py

import numpy as np import bempp.api import math from RKconv_op import * def create_timepoints(c,N,T): m=len(c) time_points=np.zeros((1,m*N)) for j in range(m): time_points[0,j:m*N:m]=c[j]*1.0/N*np.ones((1,N))+np.linspace(0,1-1.0/N,N) return T*time_points def create_rhs(grid,N,T,m): #grid=bempp.api.shapes.sphere(h=dx) if (m==2): c_RK=np.array([1.0/3,1]) if (m==3): c_RK=np.array([2.0/5-math.sqrt(6)/10,2.0/5+math.sqrt(6)/10,1]) from bempp.api.operators.boundary import maxwell RT_space = bempp.api.function_space(grid,"RT",0) # curl_space=bempp.api.function_space(grid,"RBC",0) #from bempp.api.operators.boundary.sparse import identity as ident # id1 = ident(div_space,div_space,curl_space).weak_form() # print("CONDITION NUMBER : ", np.linalg.cond(bempp.api.as_matrix(id1).todense())) dof=RT_space.global_dof_count print(" DOF: ", dof) rhs=np.zeros((dof+dof,N*m)) curls=np.zeros((dof,N*m)) time_points=create_timepoints(c_RK,N,T) for j in range(m*N): t=time_points[0,j] def incident_field(x): return np.array([np.exp(-50*(x[2]-t+1)**2), 0. * x[2], 0. * x[2]]) #return np.array([np.exp(-200*(x[2]-t+2)**2), 0. * x[2], 0. * x[2]]) def tangential_trace(x, n, domain_index, result): result[:] = np.cross(n,np.cross(incident_field(x), n)) def curl_trace(x,n,domain_index,result): curlU=np.array([ 0. * x[2],-100*(x[2]-t+1)*np.exp(-50*(x[2]-t+1)**2), 0. * x[2]]) result[:] = np.cross(curlU , n) curl_fun = bempp.api.GridFunction(RT_space, fun=curl_trace,dual_space=RT_space) trace_fun= bempp.api.GridFunction(RT_space, fun=tangential_trace,dual_space=RT_space) rhs[0:dof,j]=trace_fun.coefficients curlCoeffs=curl_fun.coefficients if np.linalg.norm(curlCoeffs)>10**-9: curls[0:dof,j]=curlCoeffs #print("RHS NORM :", np.linalg.norm(trace_fun.coefficients)) def sinv(s,b): return s**(-1)*b IntegralOperator=Conv_Operator(sinv) def HarmonicImpedance(s,b): return 0.1*s**(0.5)*b TimeImpedance=Conv_Operator(HarmonicImpedance) if (m==2): curls=IntegralOperator.apply_RKconvol(curls,T,method="RadauIIA-2",show_progress=False) ZptNeuTrace=TimeImpedance.apply_RKconvol(curls,T,method="RadauIIA-2",show_progress=False) if (m==3): curls=IntegralOperator.apply_RKconvol(curls,T,method="RadauIIA-3",show_progress=False) ZptNeuTrace=TimeImpedance.apply_RKconvol(curls,T,method="RadauIIA-3",show_progress=False) rhs[0:dof,:]=np.real(ZptNeuTrace)-rhs[0:dof,:] return rhs def harmonic_calderon(s,b,grid,points): OrderQF = 8 #tol= np.finfo(float).eps bempp.api.global_parameters.quadrature.near.max_rel_dist = 2 bempp.api.global_parameters.quadrature.near.single_order =OrderQF-1 bempp.api.global_parameters.quadrature.near.double_order = OrderQF-1 bempp.api.global_parameters.quadrature.medium.max_rel_dist =4 bempp.api.global_parameters.quadrature.medium.single_order =OrderQF-2 bempp.api.global_parameters.quadrature.medium.double_order =OrderQF-2 bempp.api.global_parameters.quadrature.far.single_order =OrderQF-3 bempp.api.global_parameters.quadrature.far.double_order =OrderQF-3 bempp.api.global_parameters.quadrature.double_singular = OrderQF bempp.api.global_parameters.hmat.eps=10**-4 bempp.api.global_parameters.hmat.admissibility='strong' ### Define Spaces NC_space=bempp.api.function_space(grid, "NC",0) RT_space=bempp.api.function_space(grid, "RT",0) elec = -bempp.api.operators.boundary.maxwell.electric_field(RT_space, RT_space, NC_space,1j*s) magn = -bempp.api.operators.boundary.maxwell.magnetic_field(RT_space, RT_space, NC_space, 1j*s) identity2=bempp.api.operators.boundary.sparse.identity(RT_space, RT_space, RT_space) identity= -bempp.api.operators.boundary.sparse.identity(RT_space, RT_space, NC_space) dof=NC_space.global_dof_count trace_fun= bempp.api.GridFunction(RT_space, coefficients=b[0:dof],dual_space=RT_space) zero_fun= bempp.api.GridFunction(RT_space,coefficients = b[dof:],dual_space=RT_space) #rhs=[trace_fun,zero_fun] id_discrete=identity2.weak_form() b[0:dof]=id_discrete*b[0:dof] blocks=np.array([[None,None], [None,None]]) blocks[0,0] = -elec.weak_form()+0.1*s**0.5*identity2.weak_form() blocks[0,1] = magn.weak_form()-1.0/2*identity.weak_form() blocks[1,0] = -magn.weak_form()-1.0/2*identity.weak_form() blocks[1,1] = -elec.weak_form() blocks_discrete=bempp.api.BlockedDiscreteOperator(blocks) ######## Saving the condition number and frequency : from scipy.sparse.linalg import gmres lambda_data,info= gmres(blocks_discrete, b) #cond=np.linalg.cond(bempp.api.as_matrix(blocks_discrete)) print("System solved !") import scipy.io,time mat_contents =scipy.io.loadmat('data/cond.mat') freqCond_old = mat_contents['freqCond'] if s in freqCond_old[0]: print("Frequency already calculated") else: tp0=time.time() blocks_mat=bempp.api.as_matrix(blocks_discrete) # tp4=time.time() sigmas = scipy.linalg.svdvals(blocks_mat) norminv = min(sigmas)**(-1) normA = max(sigmas) cond=normA*norminv print("Freq: ",s ," Cond: ",cond) # print(freqCond_old) freqCond=np.concatenate((freqCond_old,np.array([[s],[cond],[normA],[norminv]])),axis=1) scipy.io.savemat('data/cond.mat',dict(freqCond=freqCond)) ##################################################### #print(np.linalg.norm(lambda_data)) #print("I survived!") #from bempp.api.linalg import lu #lambda_data = lu(elec, trace_fun) #lambda_data.plot() #print("Norm lambda_data : ",np.linalg.norm(lambda_data)) #if (np.linalg.norm(lambda_data)<10**-10): phigrid=bempp.api.GridFunction(RT_space,coefficients=lambda_data[0:dof],dual_space=RT_space) psigrid=bempp.api.GridFunction(RT_space,coefficients=lambda_data[dof:2*dof],dual_space=RT_space) ######## Create Points # # x_a=-0.75 # x_b=0.75 # y_a=-0.25 # y_b=1.25 ## # x_a=-2 # x_b=2 # y_a=-2 # y_b=2 # n_grid_points=150 ################################################ # plot_grid = np.mgrid[y_a:y_b:1j*n_grid_points, x_a:x_b:1j*n_grid_points] ## plot_grid = np.mgrid[-0.5:1:1j*n_grid_points, -1.5:1.5:1j*n_grid_points] # #print(plot_grid) ## points = np.vstack( ( plot_grid[0].ravel() , plot_grid[1].ravel() , 0.25*np.ones(plot_grid[0].size) ) ) # # points = np.vstack( ( plot_grid[0].ravel() , 0*np.ones(plot_grid[0].size) , plot_grid[1].ravel()) ) #point=np.array([[0],[0],[2]]) slp_pot = bempp.api.operators.potential.maxwell.electric_field(RT_space, points, s*1j) dlp_pot = bempp.api.operators.potential.maxwell.magnetic_field(RT_space, points, s*1j) scattered_field_data = -slp_pot * phigrid+dlp_pot*psigrid # print("NORM COMBINED OPERATOR :" , np.linalg.norm(scattered_field_data)/np.linalg.norm(b)) # print(scattered_field_data) # print("NORM ScatteredField :", np.linalg.norm(scattered_field_data)) # # print("s : ", s) # print("NORM B :" ,np.linalg.norm(b)) if np.isnan(scattered_field_data).any(): print("NAN Warning",s) print("NORM B :" ,np.linalg.norm(b)) return np.zeros(n_grid_points**2*3) #print(scattered_field_data.reshape(3,1)[:,0]) return scattered_field_data.reshape(n_grid_points**2*3,1)[:,0] def scattering_solution(dx,N,T,m,points): import scipy.io import numpy as np mat_contents=scipy.io.loadmat('grids/TorusDOF896.mat') Nodes=np.array(mat_contents['Nodes']).T rawElements=mat_contents['Elements'] for j in range(len(rawElements)): betw=rawElements[j][0] rawElements[j][0]=rawElements[j][1] rawElements[j][1]=betw Elements=np.array(rawElements).T Elements=Elements-1 grid=bempp.api.grid_from_element_data(Nodes,Elements) # def tangential_trace(x, n, domain_index, result): # result[:] = n[1] # # P1_space = bempp.api.function_space(grid,"P",1) # normal_fun = bempp.api.GridFunction(P1_space, fun=tangential_trace,dual_space=P1_space) #normal_fun.plot() #grid.plot() #grid=bempp.api.shapes.sphere(h=dx) rhs=create_rhs(grid,N,T,m) def ellipticSystem(s,b): return harmonic_calderon(s,b,grid,points) ScatOperator=Conv_Operator(ellipticSystem) #num_sol=ScatOperator.apply_convol(rhs,T) if (m==2): num_solStages=ScatOperator.apply_RKconvol(rhs,T,cutoff=10**(-16),method="RadauIIA-2") if (m==3): num_solStages=ScatOperator.apply_RKconvol(rhs,T,cutoff=10**(-16),method="RadauIIA-3") num_sol=np.zeros((len(num_solStages[:,0]),N+1)) num_sol[:,1:N+1]=np.real(num_solStages[:,m-1:N*m:m]) return num_sol import time N=100 T=4 #Generate points x_a=-1.5 x_b=1.5 y_a=-1.5 y_b=1.5 n_grid_points=300 nx=n_grid_points nz=n_grid_points ####################################### #Initialize empty file, which will be overwritten continously with condition numbers#and the frequencies freqCond=1j*np.array([[0],[0],[0],[0]]) import scipy.io scipy.io.savemat('data/cond.mat',dict(freqCond=freqCond)) ############### plot_grid = np.mgrid[y_a:y_b:1j*n_grid_points, x_a:x_b:1j*n_grid_points] #plot_grid = np.mgrid[-0.5:1:1j*n_grid_points, -1.5:1.5:1j*n_grid_points] #print(plot_grid) points = np.vstack( ( plot_grid[0].ravel() , 0*np.ones(plot_grid[0].size) , plot_grid[1].ravel()) ) evals=scattering_solution(1,N,T,3,points) u_ges=np.zeros((n_grid_points**2,N+1)) for j in range(N+1): #matplotlib inline import matplotlib from matplotlib import pylab as plt # Adjust the figure size in IPython matplotlib.rcParams['figure.figsize'] = (10.0, 8.0) t=j*T*1.0/N def incident_field(x): return np.array([np.exp(-50*(x[2]-t+1)**2), 0. * x[2], 0. * x[2]]) incident_field_data = incident_field(points) #scat_eval=np.zeros(nx*nz*3) #incident_field_data[radius<1]=np.nan scat_eval=evals[:,j].reshape(3,nx*nz) # print(scat_eval) field_data = scat_eval + incident_field_data # field_data = scat_eval # field_data = incident_field_data # print("Points: ") # print(points) # print("Data: ") #print(field_data) squared_field_density = np.sum(field_data * field_data,axis = 0) u_ges[:,j]=squared_field_density.T #squared_field_density=field_data[2,:] #squared_field_density[radius<1]=np.nan #print("MAX FIELD DATA: " , max(squared_field_density)) print(max(np.abs(squared_field_density))) plt.imshow(squared_field_density.reshape((nx, nz)).T, cmap='coolwarm', origin='lower', extent=[x_a, x_b, y_a, y_b]) if j==10: plt.colorbar() plt.clim((-1,1)) #plt.title("Squared Electric Field Density") #plt.savefig("data/wave_images/Screen_n{}.png".format(j)) import scipy.io scipy.io.savemat('data/delta01_dof896.mat',dict(u_ges=u_ges,N=N,T=T,plot_grid=plot_grid,points=points)) # # tp1=time.time() # print("Dense Matrix assembled, time : ", tp1-tp0) # # normA=np.linalg.norm(blocks_mat,ord=2) # tp2=time.time() # print("Norm A calculated, value ",normA, " time : ",tp2-tp1) # cond=np.linalg.cond(blocks_mat) # tp3=time.time() # print("Cond A calculated, value ", cond," time : ",tp3-tp2) # norminv=np.linalg.norm(np.linalg.inv(blocks_mat),ord=2) # print("Inv A calculated, direct : ", norminv, " Previous estimate : ", cond/normA)

py

CQMaxwell

CQMaxwell-main/RKRefErrorDatadelta01.py

import bempp.api import numpy as np import math from RKconv_op import * print("Bempp version used : " + bempp.api.__version__) def create_timepoints(c,N,T): m=len(c) time_points=np.zeros((1,m*N)) for j in range(m): time_points[0,j:m*N:m]=c[j]*1.0/N*np.ones((1,N))+np.linspace(0,1-1.0/N,N) return T*time_points def create_rhs(grid,dx,N,T,m): # grid=bempp.api.shapes.cube(h=1) OrderQF = 8 #tol= np.finfo(float).eps bempp.api.global_parameters.quadrature.near.max_rel_dist = 2 bempp.api.global_parameters.quadrature.near.single_order =OrderQF-1 bempp.api.global_parameters.quadrature.near.double_order = OrderQF-1 bempp.api.global_parameters.quadrature.medium.max_rel_dist =4 bempp.api.global_parameters.quadrature.medium.single_order =OrderQF-2 bempp.api.global_parameters.quadrature.medium.double_order =OrderQF-2 bempp.api.global_parameters.quadrature.far.single_order =OrderQF-3 bempp.api.global_parameters.quadrature.far.double_order =OrderQF-3 bempp.api.global_parameters.quadrature.double_singular = OrderQF bempp.api.global_parameters.hmat.eps=10**-4 bempp.api.global_parameters.hmat.admissibility='strong' if (m==2): c_RK=np.array([1.0/3,1]) if (m==3): c_RK=np.array([2.0/5-math.sqrt(6)/10,2.0/5+math.sqrt(6)/10,1]) from bempp.api.operators.boundary import maxwell from bempp.api.operators.boundary import sparse # multitrace = maxwell.multitrace_operator(grid, 1) NC_space = bempp.api.function_space(grid,"NC",0) RT_space = bempp.api.function_space(grid,"RT",0) #curl_space = bempp.api.function_space(grid, "RBC", 0) #BC_space=bempp.api.function_space(grid, "BC",0) #SNC_space=bempp.api.function_space(grid, "SNC",0) #BRWG_space=bempp.api.function_space(grid, "B-RWG",0) # #div_space=bempp.api.function_space(grid, "B-RWG",0) #RBC_space=bempp.api.function_space(grid,"RBC",0) # curl_space=bempp.api.function_space(grid,"RBC",0) #from bempp.api.operators.boundary.sparse import identity as ident # id1 = ident(div_space,div_space,curl_space).weak_form() # print("CONDITION NUMBER : ", np.linalg.cond(bempp.api.as_matrix(id1).todense())) dof=RT_space.global_dof_count dof1=NC_space.global_dof_count print(" DOF: ", dof) rhs=np.zeros((dof+dof,N*m)) curls=np.zeros((dof,N*m)) time_points=create_timepoints(c_RK,N,T) for j in range(m*N): t=time_points[0,j] def incident_field(x): return np.array([np.exp(-50*(x[2]-t+2)**2), 0. * x[2], 0. * x[2]]) #return np.array([np.exp(-200*(x[2]-t+2)**2), 0. * x[2], 0. * x[2]]) @bempp.api.real_callable def tangential_trace(x, n, domain_index, result): result[:] = np.cross(n,np.cross(incident_field(x), n)) @bempp.api.real_callable def curl_trace(x,n,domain_index,result): curlU=np.array([ 0. * x[2],-100*(x[2]-t+2)*np.exp(-50*(x[2]-t+2)**2), 0. * x[2]]) result[:] = np.cross(curlU , n) curl_fun = bempp.api.GridFunction(RT_space, fun=curl_trace,dual_space=RT_space) trace_fun= bempp.api.GridFunction(RT_space, fun=tangential_trace,dual_space=RT_space) rhs[0:dof,j]=trace_fun.coefficients curlCoeffs=curl_fun.coefficients if np.linalg.norm(curlCoeffs)>10**-9: curls[0:dof,j]=curlCoeffs #print("RHS NORM :", np.linalg.norm(trace_fun.coefficients)) def sinv(s,b): return s**(-1)*b IntegralOperator=Conv_Operator(sinv) def HarmonicImpedance(s,b): return 0.1*s**(0.5)*b TimeImpedance=Conv_Operator(HarmonicImpedance) if (m==2): curls=IntegralOperator.apply_RKconvol(curls,T,method="RadauIIA-2",show_progress=False) ZptNeuTrace=TimeImpedance.apply_RKconvol(curls,T,method="RadauIIA-2",show_progress=False) if (m==3): curls=IntegralOperator.apply_RKconvol(curls,T,method="RadauIIA-3",show_progress=False) ZptNeuTrace=TimeImpedance.apply_RKconvol(curls,T,method="RadauIIA-3",show_progress=False) rhs[0:dof,:]=np.real(ZptNeuTrace)-rhs[0:dof,:] return rhs def harmonic_calderon(s,b,grid): points=np.array([[0],[0],[2]]) #normb=np.linalg.norm(b[0])+np.linalg.norm(b[1])+np.linalg.norm(b[2]) normb=np.max(np.abs(b)) bound=np.abs(s)**4*np.exp(-s.real)*normb print("s: ",s, " maxb: ", normb, " bound : ", bound) if bound <10**(-9): print("JUMPED") return np.zeros(3) OrderQF = 8 #tol= np.finfo(float).eps bempp.api.global_parameters.quadrature.near.max_rel_dist = 2 bempp.api.global_parameters.quadrature.near.single_order =OrderQF-1 bempp.api.global_parameters.quadrature.near.double_order = OrderQF-1 bempp.api.global_parameters.quadrature.medium.max_rel_dist =4 bempp.api.global_parameters.quadrature.medium.single_order =OrderQF-2 bempp.api.global_parameters.quadrature.medium.double_order =OrderQF-2 bempp.api.global_parameters.quadrature.far.single_order =OrderQF-3 bempp.api.global_parameters.quadrature.far.double_order =OrderQF-3 bempp.api.global_parameters.quadrature.double_singular = OrderQF bempp.api.global_parameters.hmat.eps=10**-4 bempp.api.global_parameters.hmat.admissibility='strong' ### Define Spaces NC_space=bempp.api.function_space(grid, "NC",0) RT_space=bempp.api.function_space(grid, "RT",0) elec = -bempp.api.operators.boundary.maxwell.electric_field(RT_space, RT_space, NC_space,1j*s) magn = -bempp.api.operators.boundary.maxwell.magnetic_field(RT_space, RT_space, NC_space, 1j*s) identity2=bempp.api.operators.boundary.sparse.identity(RT_space, RT_space, RT_space) identity= -bempp.api.operators.boundary.sparse.identity(RT_space, RT_space, NC_space) dof=NC_space.global_dof_count trace_fun= bempp.api.GridFunction(RT_space, coefficients=b[0:dof],dual_space=RT_space) ######## End condition, by theoretical bound: normb=trace_fun.l2_norm() bound=np.abs(s)**3*np.exp(-s.real)*normb if bound <10**(-8): print("JUMPED") return np.zeros(3) zero_fun= bempp.api.GridFunction(RT_space,coefficients = b[dof:],dual_space=RT_space) #rhs=[trace_fun,zero_fun] id_discrete=identity2.weak_form() b[0:dof]=id_discrete*b[0:dof] blocks=np.array([[None,None], [None,None]]) #blocks[0,0] = -elec.weak_form()+10*s**0.5*identity2.weak_form() blocks[0,0] = -elec.weak_form()+0.1*s**0.5*identity2.weak_form() blocks[0,1] = magn.weak_form()-1.0/2*identity.weak_form() blocks[1,0] = -magn.weak_form()-1.0/2*identity.weak_form() blocks[1,1] = -elec.weak_form() blocks=bempp.api.BlockedDiscreteOperator(blocks) # A_mat=bempp.api.as_matrix(blocks) # print("A_mat : ",A_mat) # e,D=np.linalg.eig(A_mat) # print("Eigs : ", e) # print("Cond : ", np.linalg.cond(A_mat)) ## ## trace_fun= bempp.api.GridFunction(multitrace.range_spaces[0], coefficients=b[0:dof],dual_space=multitrace.dual_to_range_spaces[0]) ## ## zero_fun= bempp.api.GridFunction(multitrace.range_spaces[1],coefficients = b[dof:],dual_space=multitrace.dual_to_range_spaces[1]) ## ## rhs=[trace_fun,zero_fun] ## ## #print("Still living") ## #from bempp.api.linalg import gmres from scipy.sparse.linalg import gmres print("Start GMRES : ") # def print_res(rk): # print("Norm of residual: "+ str(np.linalg.norm(rk))) #print(np.linalg.norm(lambda_data)) #lambda_data,info = gmres(blocks, b,tol=10**-4,restart=50,maxiter=100,callback=print_res) lambda_data,info = gmres(blocks, b,tol=10**-5,maxiter=300) print("INFO :", info) #lambda_data,info = gmres(blocks, b,tol=10**-4,callback=print_res) #print("I survived!") #from bempp.api.linalg import lu #lambda_data = lu(elec, trace_fun) #lambda_data.plot() #print("Norm lambda_data : ",np.linalg.norm(lambda_data)) #if (np.linalg.norm(lambda_data)<10**-10): phigrid=bempp.api.GridFunction(RT_space,coefficients=lambda_data[0:dof],dual_space=RT_space) psigrid=bempp.api.GridFunction(RT_space,coefficients=lambda_data[dof:2*dof],dual_space=RT_space) slp_pot = bempp.api.operators.potential.maxwell.electric_field(RT_space, points, s*1j) dlp_pot = bempp.api.operators.potential.maxwell.magnetic_field(RT_space, points, s*1j) print("Evaluate field : ") scattered_field_data = -slp_pot * phigrid+dlp_pot*psigrid # scattered_field_H = -slp_pot * psigrid-dlp_pot*phigrid # H = scattered_field_H.reshape(3,1)[:,0] # print(" E : ", E, " H : ", H) # print("Angle: ", np.dot(E,H), " Scalar product with conjugation : ", np.dot(np.conj(E),H)) # print("NORM COMBINED OPERATOR :" , np.linalg.norm(scattered_field_data)/np.linalg.norm(b)) # print(scattered_field_data) # print("NORM ScatteredField :", np.linalg.norm(scattered_field_data)) # # print("s : ", s) # print("NORM B :" ,np.linalg.norm(b)) if np.isnan(scattered_field_data).any(): print("NAN Warning, s = ", s) scattered_field_data=np.zeros(np.shape(scattered_field_data)) return scattered_field_data.reshape(3,1)[:,0] def scattering_solution(dx,N,T,m): grid=bempp.api.shapes.sphere(h=dx) rhs=create_rhs(grid,dx,N,T,m) def ellipticSystem(s,b): return harmonic_calderon(s,b,grid) ScatOperator=Conv_Operator(ellipticSystem) #num_sol=ScatOperator.apply_convol(rhs,T) if (m==2): num_solStages=ScatOperator.apply_RKconvol(rhs,T,cutoff=10**(-5),method="RadauIIA-2") if (m==3): num_solStages=ScatOperator.apply_RKconvol(rhs,T,cutoff=10**(-5),method="RadauIIA-3") num_sol=np.zeros((len(num_solStages[:,0]),N+1)) num_sol[:,1:N+1]=np.real(num_solStages[:,m-1:N*m:m]) return num_sol import time T=6 #N_ref=2**4 N_ref=2**11 tt_ref=np.linspace(0,T,N_ref+1) #dx_ref=np.sqrt(2)**(0) dx_ref=np.sqrt(2)**(-9) m=3 import matplotlib.pyplot as plt start=time.time() #sol_ref=scattering_solution(dx_ref,N_ref,T) #sol_ref2=scattering_solution(dx_ref,N_ref,T) # #tt=np.linspace(0,T,N_ref+1) #plt.plot(tt,np.abs(sol_ref[0,:])) #plt.plot(tt,np.abs(sol_ref[0,:]-sol_ref2[0,:])) ##plt.plot(tt,resc_ref[0,:],linestyle='dashed') ##plt.plot(tt,num_sol[0,:]) #plt.show() sol_ref=scattering_solution(dx_ref,N_ref,T,m) # np.save("data/sol_ref_absorbing_delta0p1_N2h11_dxsqrt2m9RK5.npy",sol_ref) #sol_ref=np.load("data/sol_ref_absorbing_delta0p1_N2h11_dxsqrt2m10RK5.npy") #Current Reference solutions: #np.save("data/sol_ref_absorbing_delta0p1_N212_dxsqrt2m9RK5.npy",sol_ref) #np.save("data/sol_ref_absorbing_delta001_N212_dxsqrt2m9RK3.npy",sol_ref) #sol_ref=np.load("data/sol_ref_absorbing_delta1_N212_dxsqrt2m9RK3.npy") #sol_ref=np.load("data/sol_ref_absorbing_delta001_N212_dxsqrt2m9RK3.npy") #sol_ref=np.load("data/sol_ref_absorbing_N212_dxsqrt2m7RK5.npy") #import scipy.io #scipy.io.loadmat('data/Err_data_delta1.mat') #tt=np.linspace(0,T,N_ref+1) #plt.plot(tt,sol_ref[0,:]) #plt.show() #plt.plot(sol_ref[0,:]**2+sol_ref[1,:]**2+sol_ref[2,:]**2) #plt.show() Am_space=8 Am_time=7 #Am_space=1 #Am_time=8 tau_s=np.zeros(Am_time) h_s=np.zeros(Am_space) errors=np.zeros((Am_space,Am_time)) m=2 for ixSpace in range(Am_space): for ixTime in range(Am_time): N=8*2**(ixTime) tau_s[ixTime]=T*1.0/N tt=np.linspace(0,T,N+1) dx=np.sqrt(2)**(-ixSpace) h_s[ixSpace]=dx ########## Rescaling reference solution: speed=N_ref/N resc_ref=np.zeros((3,N+1)) # resc_ref=sol_ref for j in range(N+1): resc_ref[:,j] = sol_ref[:,j*speed] #num_sol = calc_ref_sol(N,dx,F_transfer) num_sol = scattering_solution(dx,N,T,m) # plt.plot(tt,num_sol[0,:]**2+num_sol[1,:]**2+num_sol[2,:]**2) # plt.plot(tt_ref,sol_ref[0,:]**2+sol_ref[1,:]**2+sol_ref[2,:]**2,linestyle='dashed') # plt.show() errors[ixSpace,ixTime]=np.max(np.abs(resc_ref-num_sol)) print(errors) import scipy.io scipy.io.savemat('data/Err_data_delta01.mat', dict( ERR=errors,h_s=h_s,tau_s=tau_s)) #scipy.io.savemat('data/Err_data_delta0p1_long.mat', dict( ERR=errors,h_s=h_s,tau_s=tau_s)) end=time.time() print("Script Runtime: "+str((end-start)/60) +" Min") #

py

CQMaxwell

CQMaxwell-main/d10RKRefErrorData.py

import bempp.api import numpy as np import math from RKconv_op import * def create_timepoints(c,N,T): m=len(c) time_points=np.zeros((1,m*N)) for j in range(m): time_points[0,j:m*N:m]=c[j]*1.0/N*np.ones((1,N))+np.linspace(0,1-1.0/N,N) return T*time_points def create_rhs(grid,dx,N,T,m): # grid=bempp.api.shapes.cube(h=1) # OrderQF = 7 #tol= np.finfo(float).eps bempp.api.global_parameters.quadrature.near.max_rel_dist = 2 bempp.api.global_parameters.quadrature.near.single_order =OrderQF-1 bempp.api.global_parameters.quadrature.near.double_order = OrderQF-1 bempp.api.global_parameters.quadrature.medium.max_rel_dist =4 bempp.api.global_parameters.quadrature.medium.single_order =OrderQF-2 bempp.api.global_parameters.quadrature.medium.double_order =OrderQF-2 bempp.api.global_parameters.quadrature.far.single_order =OrderQF-3 bempp.api.global_parameters.quadrature.far.double_order =OrderQF-3 bempp.api.global_parameters.quadrature.double_singular = OrderQF bempp.api.global_parameters.hmat.eps=10**-4 bempp.api.global_parameters.hmat.admissibility='strong' if (m==2): c_RK=np.array([1.0/3,1]) if (m==3): c_RK=np.array([2.0/5-math.sqrt(6)/10,2.0/5+math.sqrt(6)/10,1]) from bempp.api.operators.boundary import maxwell from bempp.api.operators.boundary import sparse multitrace = maxwell.multitrace_operator(grid, 1) RWG_space = bempp.api.function_space(grid,"RWG",0) NC_space = bempp.api.function_space(grid,"NC",0) RT_space = bempp.api.function_space(grid,"RT",0) #curl_space = bempp.api.function_space(grid, "RBC", 0) BC_space=bempp.api.function_space(grid, "BC",0) SNC_space=bempp.api.function_space(grid, "SNC",0) BRWG_space=bempp.api.function_space(grid, "B-RWG",0) # div_space=bempp.api.function_space(grid, "B-RWG",0) RBC_space=bempp.api.function_space(grid,"RBC",0) # curl_space=bempp.api.function_space(grid,"RBC",0) #from bempp.api.operators.boundary.sparse import identity as ident # id1 = ident(div_space,div_space,curl_space).weak_form() # print("CONDITION NUMBER : ", np.linalg.cond(bempp.api.as_matrix(id1).todense())) dof=multitrace.range_spaces[0].global_dof_count dof1=RBC_space.global_dof_count print(" RWG: ", dof) print(" RBC: ", dof1) rhs=np.zeros((dof+dof,N*m)) curls=np.zeros((dof,N*m)) time_points=create_timepoints(c_RK,N,T) for j in range(m*N): t=time_points[0,j] def incident_field(x): return np.array([np.exp(-50*(x[2]-t+2)**2), 0. * x[2], 0. * x[2]]) #return np.array([np.exp(-200*(x[2]-t+2)**2), 0. * x[2], 0. * x[2]]) def tangential_trace(x, n, domain_index, result): result[:] = np.cross(n,np.cross(incident_field(x), n)) def curl_trace(x,n,domain_index,result): curlU=np.array([ 0. * x[2],-100*(x[2]-t+2)*np.exp(-50*(x[2]-t+2)**2), 0. * x[2]]) result[:] = np.cross(curlU , n) curl_fun = bempp.api.GridFunction(RT_space, fun=curl_trace,dual_space=RT_space) trace_fun= bempp.api.GridFunction(RT_space, fun=tangential_trace,dual_space=RT_space) rhs[0:dof,j]=trace_fun.coefficients curlCoeffs=curl_fun.coefficients if np.linalg.norm(curlCoeffs)>10**-9: curls[0:dof,j]=curlCoeffs #print("RHS NORM :", np.linalg.norm(trace_fun.coefficients)) def sinv(s,b): return s**(-1)*b IntegralOperator=Conv_Operator(sinv) def HarmonicImpedance(s,b): return 10*s**(0.5)*b TimeImpedance=Conv_Operator(HarmonicImpedance) if (m==2): curls=IntegralOperator.apply_RKconvol(curls,T,method="RadauIIA-2",show_progress=False) ZptNeuTrace=TimeImpedance.apply_RKconvol(curls,T,method="RadauIIA-2",show_progress=False) if (m==3): curls=IntegralOperator.apply_RKconvol(curls,T,method="RadauIIA-3",show_progress=False) ZptNeuTrace=TimeImpedance.apply_RKconvol(curls,T,method="RadauIIA-3",show_progress=False) rhs[0:dof,:]=np.real(ZptNeuTrace)-rhs[0:dof,:] return rhs def harmonic_calderon(s,b,grid): points=np.array([[0],[0],[2]]) #normb=np.linalg.norm(b[0])+np.linalg.norm(b[1])+np.linalg.norm(b[2]) normb=np.max(np.abs(b)) bound=np.abs(s)**3*np.exp(-s.real*2)*normb print("s: ",s, " maxb: ", normb, " bound : ", bound) if bound <10**(-5): print("JUMPED") return np.zeros(3) if normb <10**(-6): print("JUMPED") return np.zeros(3) OrderQF = 7 #tol= np.finfo(float).eps bempp.api.global_parameters.quadrature.near.max_rel_dist = 2 bempp.api.global_parameters.quadrature.near.single_order =OrderQF-1 bempp.api.global_parameters.quadrature.near.double_order = OrderQF-1 bempp.api.global_parameters.quadrature.medium.max_rel_dist =4 bempp.api.global_parameters.quadrature.medium.single_order =OrderQF-2 bempp.api.global_parameters.quadrature.medium.double_order =OrderQF-2 bempp.api.global_parameters.quadrature.far.single_order =OrderQF-3 bempp.api.global_parameters.quadrature.far.double_order =OrderQF-3 bempp.api.global_parameters.quadrature.double_singular = OrderQF bempp.api.global_parameters.hmat.eps=10**-3 bempp.api.global_parameters.hmat.admissibility='strong' ### Define Spaces NC_space=bempp.api.function_space(grid, "NC",0) RT_space=bempp.api.function_space(grid, "RT",0) elec = -bempp.api.operators.boundary.maxwell.electric_field(RT_space, RT_space, NC_space,1j*s) magn = -bempp.api.operators.boundary.maxwell.magnetic_field(RT_space, RT_space, NC_space, 1j*s) identity2=bempp.api.operators.boundary.sparse.identity(RT_space, RT_space, RT_space) identity= -bempp.api.operators.boundary.sparse.identity(RT_space, RT_space, NC_space) dof=NC_space.global_dof_count trace_fun= bempp.api.GridFunction(RT_space, coefficients=b[0:dof],dual_space=RT_space) ######## End condition, by theoretical bound: normb=trace_fun.l2_norm() bound=np.abs(s)**3*np.exp(-2*s.real)*normb if bound <10**(-3): print("JUMPED") return np.zeros(3) zero_fun= bempp.api.GridFunction(RT_space,coefficients = b[dof:],dual_space=RT_space) #rhs=[trace_fun,zero_fun] id_discrete=identity2.weak_form() b[0:dof]=id_discrete*b[0:dof] blocks=np.array([[None,None], [None,None]]) #blocks[0,0] = -elec.weak_form()+10*s**0.5*identity2.weak_form() blocks[0,0] = -elec.weak_form()+10*s**0.5*identity2.weak_form() blocks[0,1] = magn.weak_form()-1.0/2*identity.weak_form() blocks[1,0] = -magn.weak_form()-1.0/2*identity.weak_form() blocks[1,1] = -elec.weak_form() blocks=bempp.api.BlockedDiscreteOperator(blocks) # A_mat=bempp.api.as_matrix(blocks) # print("A_mat : ",A_mat) # e,D=np.linalg.eig(A_mat) # print("Eigs : ", e) # print("Cond : ", np.linalg.cond(A_mat)) ## ## trace_fun= bempp.api.GridFunction(multitrace.range_spaces[0], coefficients=b[0:dof],dual_space=multitrace.dual_to_range_spaces[0]) ## ## zero_fun= bempp.api.GridFunction(multitrace.range_spaces[1],coefficients = b[dof:],dual_space=multitrace.dual_to_range_spaces[1]) ## ## rhs=[trace_fun,zero_fun] ## ## #print("Still living") ## #from bempp.api.linalg import gmres from scipy.sparse.linalg import gmres print("Start GMRES : ") # def print_res(rk): # print("Norm of residual: "+ str(np.linalg.norm(rk))) #print(np.linalg.norm(lambda_data)) #lambda_data,info = gmres(blocks, b,tol=10**-4,restart=50,maxiter=100,callback=print_res) lambda_data,info = gmres(blocks, b,tol=10**-4,maxiter=100) print("INFO :", info) #lambda_data,info = gmres(blocks, b,tol=10**-4,callback=print_res) #print("I survived!") #from bempp.api.linalg import lu #lambda_data = lu(elec, trace_fun) #lambda_data.plot() #print("Norm lambda_data : ",np.linalg.norm(lambda_data)) #if (np.linalg.norm(lambda_data)<10**-10): phigrid=bempp.api.GridFunction(RT_space,coefficients=lambda_data[0:dof],dual_space=RT_space) psigrid=bempp.api.GridFunction(RT_space,coefficients=lambda_data[dof:2*dof],dual_space=RT_space) slp_pot = bempp.api.operators.potential.maxwell.electric_field(RT_space, points, s*1j) dlp_pot = bempp.api.operators.potential.maxwell.magnetic_field(RT_space, points, s*1j) print("Evaluate field : ") scattered_field_data = -slp_pot * phigrid+dlp_pot*psigrid # scattered_field_H = -slp_pot * psigrid-dlp_pot*phigrid # H = scattered_field_H.reshape(3,1)[:,0] # print(" E : ", E, " H : ", H) # print("Angle: ", np.dot(E,H), " Scalar product with conjugation : ", np.dot(np.conj(E),H)) # print("NORM COMBINED OPERATOR :" , np.linalg.norm(scattered_field_data)/np.linalg.norm(b)) # print(scattered_field_data) # print("NORM ScatteredField :", np.linalg.norm(scattered_field_data)) # # print("s : ", s) # print("NORM B :" ,np.linalg.norm(b)) if np.isnan(scattered_field_data).any(): print("NAN Warning, s = ", s) scattered_field_data=np.zeros(np.shape(scattered_field_data)) return scattered_field_data.reshape(3,1)[:,0] def scattering_solution(dx,N,T,m): grid=bempp.api.shapes.sphere(h=dx) rhs=create_rhs(grid,dx,N,T,m) def ellipticSystem(s,b): return harmonic_calderon(s,b,grid) ScatOperator=Conv_Operator(ellipticSystem) #num_sol=ScatOperator.apply_convol(rhs,T) if (m==2): num_solStages=ScatOperator.apply_RKconvol(rhs,T,cutoff=10**(-4),method="RadauIIA-2") if (m==3): num_solStages=ScatOperator.apply_RKconvol(rhs,T,cutoff=10**(-4),method="RadauIIA-3") num_sol=np.zeros((len(num_solStages[:,0]),N+1)) num_sol[:,1:N+1]=np.real(num_solStages[:,m-1:N*m:m]) return num_sol import time T=6 N_ref=2**10 tt_ref=np.linspace(0,T,N_ref+1) dx_ref=np.sqrt(2)**(-10) m=3 import matplotlib.pyplot as plt start=time.time() #sol_ref=scattering_solution(dx_ref,N_ref,T) #sol_ref2=scattering_solution(dx_ref,N_ref,T) # #tt=np.linspace(0,T,N_ref+1) #plt.plot(tt,np.abs(sol_ref[0,:])) #plt.plot(tt,np.abs(sol_ref[0,:]-sol_ref2[0,:])) ##plt.plot(tt,resc_ref[0,:],linestyle='dashed') ##plt.plot(tt,num_sol[0,:]) #plt.show() sol_ref=scattering_solution(dx_ref,N_ref,T,m) np.save("data/sol_ref_absorbing_delta10_N2h10_dxsqrt2m10RK5.npy",sol_ref) #Current Reference solutions: #np.save("data/sol_ref_absorbing_delta0p1_N212_dxsqrt2m9RK5.npy",sol_ref) #np.save("data/sol_ref_absorbing_delta001_N212_dxsqrt2m9RK3.npy",sol_ref) #sol_ref=np.load("data/sol_ref_absorbing_delta1_N212_dxsqrt2m9RK3.npy") #sol_ref=np.load("data/sol_ref_absorbing_delta001_N212_dxsqrt2m9RK3.npy") #sol_ref=np.load("data/sol_ref_absorbing_N212_dxsqrt2m7RK5.npy") #import scipy.io #scipy.io.loadmat('data/Err_data_delta1.mat') #tt=np.linspace(0,T,N_ref+1) #plt.plot(tt,sol_ref[0,:]) #plt.show() #plt.plot(sol_ref[0,:]**2+sol_ref[1,:]**2+sol_ref[2,:]**2) #plt.show() Am_space=9 Am_time=7 #Am_space=1 #Am_time=8 tau_s=np.zeros(Am_time) h_s=np.zeros(Am_space) errors=np.zeros((Am_space,Am_time)) m=2 for ixSpace in range(Am_space): for ixTime in range(Am_time): N=8*2**(ixTime) tau_s[ixTime]=T*1.0/N tt=np.linspace(0,T,N+1) dx=np.sqrt(2)**(-ixSpace) h_s[ixSpace]=dx ########## Rescaling reference solution: speed=N_ref/N resc_ref=np.zeros((3,N+1)) # resc_ref=sol_ref for j in range(N+1): resc_ref[:,j] = sol_ref[:,j*speed] #num_sol = calc_ref_sol(N,dx,F_transfer) num_sol = scattering_solution(dx,N,T,m) # plt.plot(tt,num_sol[0,:]**2+num_sol[1,:]**2+num_sol[2,:]**2) # plt.plot(tt_ref,sol_ref[0,:]**2+sol_ref[1,:]**2+sol_ref[2,:]**2,linestyle='dashed') # plt.show() errors[ixSpace,ixTime]=np.max(np.abs(resc_ref-num_sol)) print(errors) import scipy.io # scipy.io.savemat('data/Err_data_delta0p1.mat', dict( ERR=errors,h_s=h_s,tau_s=tau_s)) #scipy.io.savemat('data/Err_data_delta0p1_long.mat', dict( ERR=errors,h_s=h_s,tau_s=tau_s)) end=time.time() print("Script Runtime: "+str((end-start)/60) +" Min") #

py

CQMaxwell

CQMaxwell-main/Old Scripts/RKtemp.py

import bempp.api import math from RKconv_op import * print("Bempp version used : " + bempp.api.__version__) def create_timepoints(c,N,T): m=len(c) time_points=np.zeros((1,m*N)) for j in range(m): time_points[0,j:m*N:m]=c[j]*1.0/N*np.ones((1,N))+np.linspace(0,1-1.0/N,N) return T*time_points def create_rhs(grid,dx,N,T,m): # grid=bempp.api.shapes.cube(h=1) # OrderQF = 8 #tol= np.finfo(float).eps bempp.api.global_parameters.quadrature.near.max_rel_dist = 2 bempp.api.global_parameters.quadrature.near.single_order =OrderQF-1 bempp.api.global_parameters.quadrature.near.double_order = OrderQF-1 bempp.api.global_parameters.quadrature.medium.max_rel_dist =4 bempp.api.global_parameters.quadrature.medium.single_order =OrderQF-2 bempp.api.global_parameters.quadrature.medium.double_order =OrderQF-2 bempp.api.global_parameters.quadrature.far.single_order =OrderQF-3 bempp.api.global_parameters.quadrature.far.double_order =OrderQF-3 bempp.api.global_parameters.quadrature.double_singular = OrderQF bempp.api.global_parameters.hmat.eps=10**-4 bempp.api.global_parameters.hmat.admissibility='strong' if (m==2): c_RK=np.array([1.0/3,1]) if (m==3): c_RK=np.array([2.0/5-math.sqrt(6)/10,2.0/5+math.sqrt(6)/10,1]) from bempp.api.operators.boundary import maxwell from bempp.api.operators.boundary import sparse # multitrace = maxwell.multitrace_operator(grid, 1) NC_space = bempp.api.function_space(grid,"NC",0) RT_space = bempp.api.function_space(grid,"RT",0) #curl_space = bempp.api.function_space(grid, "RBC", 0) BC_space=bempp.api.function_space(grid, "BC",0) SNC_space=bempp.api.function_space(grid, "SNC",0) BRWG_space=bempp.api.function_space(grid, "B-RWG",0) # div_space=bempp.api.function_space(grid, "B-RWG",0) RBC_space=bempp.api.function_space(grid,"RBC",0) # curl_space=bempp.api.function_space(grid,"RBC",0) #from bempp.api.operators.boundary.sparse import identity as ident # id1 = ident(div_space,div_space,curl_space).weak_form() # print("CONDITION NUMBER : ", np.linalg.cond(bempp.api.as_matrix(id1).todense())) dof=RT_space.global_dof_count dof1=NC_space.global_dof_count print(" DOF: ", dof) rhs=np.zeros((dof+dof,N*m)) curls=np.zeros((dof,N*m)) time_points=create_timepoints(c_RK,N,T) for j in range(m*N): t=time_points[0,j] def incident_field(x): return np.array([np.exp(-50*(x[2]-t+2)**2), 0. * x[2], 0. * x[2]]) #return np.array([np.exp(-200*(x[2]-t+2)**2), 0. * x[2], 0. * x[2]]) def tangential_trace(x, n, domain_index, result): result[:] = np.cross(n,np.cross(incident_field(x), n)) def curl_trace(x,n,domain_index,result): curlU=np.array([ 0. * x[2],-100*(x[2]-t+2)*np.exp(-50*(x[2]-t+2)**2), 0. * x[2]]) result[:] = np.cross(curlU , n) curl_fun = bempp.api.GridFunction(RT_space, fun=curl_trace,dual_space=RT_space) trace_fun= bempp.api.GridFunction(RT_space, fun=tangential_trace,dual_space=RT_space) rhs[0:dof,j]=trace_fun.coefficients curlCoeffs=curl_fun.coefficients if np.linalg.norm(curlCoeffs)>10**-9: curls[0:dof,j]=curlCoeffs #print("RHS NORM :", np.linalg.norm(trace_fun.coefficients)) def sinv(s,b): return s**(-1)*b IntegralOperator=Conv_Operator(sinv) def HarmonicImpedance(s,b): return 10*s**(0.5)*b TimeImpedance=Conv_Operator(HarmonicImpedance) if (m==2): curls=IntegralOperator.apply_RKconvol(curls,T,method="RadauIIA-2",show_progress=False) ZptNeuTrace=TimeImpedance.apply_RKconvol(curls,T,method="RadauIIA-2",show_progress=False) if (m==3): curls=IntegralOperator.apply_RKconvol(curls,T,method="RadauIIA-3",show_progress=False) ZptNeuTrace=TimeImpedance.apply_RKconvol(curls,T,method="RadauIIA-3",show_progress=False) rhs[0:dof,:]=np.real(ZptNeuTrace)-rhs[0:dof,:] return rhs def harmonic_calderon(s,b,grid): points=np.array([[0],[0],[2]]) #normb=np.linalg.norm(b[0])+np.linalg.norm(b[1])+np.linalg.norm(b[2]) normb=np.max(np.abs(b)) bound=np.abs(s)**4*np.exp(-s.real)*normb print("s: ",s, " maxb: ", normb, " bound : ", bound) if bound <10**(-9): print("JUMPED") return np.zeros(3) OrderQF = 8 #tol= np.finfo(float).eps bempp.api.global_parameters.quadrature.near.max_rel_dist = 2 bempp.api.global_parameters.quadrature.near.single_order =OrderQF-1 bempp.api.global_parameters.quadrature.near.double_order = OrderQF-1 bempp.api.global_parameters.quadrature.medium.max_rel_dist =4 bempp.api.global_parameters.quadrature.medium.single_order =OrderQF-2 bempp.api.global_parameters.quadrature.medium.double_order =OrderQF-2 bempp.api.global_parameters.quadrature.far.single_order =OrderQF-3 bempp.api.global_parameters.quadrature.far.double_order =OrderQF-3 bempp.api.global_parameters.quadrature.double_singular = OrderQF bempp.api.global_parameters.hmat.eps=10**-4 bempp.api.global_parameters.hmat.admissibility='strong' ### Define Spaces NC_space=bempp.api.function_space(grid, "NC",0) RT_space=bempp.api.function_space(grid, "RT",0) elec = -bempp.api.operators.boundary.maxwell.electric_field(RT_space, RT_space, NC_space,1j*s) magn = -bempp.api.operators.boundary.maxwell.magnetic_field(RT_space, RT_space, NC_space, 1j*s) identity2=bempp.api.operators.boundary.sparse.identity(RT_space, RT_space, RT_space) identity= -bempp.api.operators.boundary.sparse.identity(RT_space, RT_space, NC_space) dof=NC_space.global_dof_count trace_fun= bempp.api.GridFunction(RT_space, coefficients=b[0:dof],dual_space=RT_space) ######## End condition, by theoretical bound: normb=trace_fun.l2_norm() bound=np.abs(s)**3*np.exp(-s.real)*normb if bound <10**(-8): print("JUMPED") return np.zeros(3) zero_fun= bempp.api.GridFunction(RT_space,coefficients = b[dof:],dual_space=RT_space) #rhs=[trace_fun,zero_fun] id_discrete=identity2.weak_form() b[0:dof]=id_discrete*b[0:dof] blocks=np.array([[None,None], [None,None]]) #blocks[0,0] = -elec.weak_form()+10*s**0.5*identity2.weak_form() blocks[0,0] = -elec.weak_form()+10*s**0.5*identity2.weak_form() blocks[0,1] = magn.weak_form()-1.0/2*identity.weak_form() blocks[1,0] = -magn.weak_form()-1.0/2*identity.weak_form() blocks[1,1] = -elec.weak_form() blocks=bempp.api.BlockedDiscreteOperator(blocks) # A_mat=bempp.api.as_matrix(blocks) # print("A_mat : ",A_mat) # e,D=np.linalg.eig(A_mat) # print("Eigs : ", e) # print("Cond : ", np.linalg.cond(A_mat)) ## ## trace_fun= bempp.api.GridFunction(multitrace.range_spaces[0], coefficients=b[0:dof],dual_space=multitrace.dual_to_range_spaces[0]) ## ## zero_fun= bempp.api.GridFunction(multitrace.range_spaces[1],coefficients = b[dof:],dual_space=multitrace.dual_to_range_spaces[1]) ## ## rhs=[trace_fun,zero_fun] ## ## #print("Still living") ## #from bempp.api.linalg import gmres from scipy.sparse.linalg import gmres print("Start GMRES : ") # def print_res(rk): # print("Norm of residual: "+ str(np.linalg.norm(rk))) #print(np.linalg.norm(lambda_data)) #lambda_data,info = gmres(blocks, b,tol=10**-4,restart=50,maxiter=100,callback=print_res) lambda_data,info = gmres(blocks, b,tol=10**-5,maxiter=300) print("INFO :", info) #lambda_data,info = gmres(blocks, b,tol=10**-4,callback=print_res) #print("I survived!") #from bempp.api.linalg import lu #lambda_data = lu(elec, trace_fun) #lambda_data.plot() #print("Norm lambda_data : ",np.linalg.norm(lambda_data)) #if (np.linalg.norm(lambda_data)<10**-10): phigrid=bempp.api.GridFunction(RT_space,coefficients=lambda_data[0:dof],dual_space=RT_space) psigrid=bempp.api.GridFunction(RT_space,coefficients=lambda_data[dof:2*dof],dual_space=RT_space) slp_pot = bempp.api.operators.potential.maxwell.electric_field(RT_space, points, s*1j) dlp_pot = bempp.api.operators.potential.maxwell.magnetic_field(RT_space, points, s*1j) print("Evaluate field : ") scattered_field_data = -slp_pot * phigrid+dlp_pot*psigrid # scattered_field_H = -slp_pot * psigrid-dlp_pot*phigrid # H = scattered_field_H.reshape(3,1)[:,0] # print(" E : ", E, " H : ", H) # print("Angle: ", np.dot(E,H), " Scalar product with conjugation : ", np.dot(np.conj(E),H)) # print("NORM COMBINED OPERATOR :" , np.linalg.norm(scattered_field_data)/np.linalg.norm(b)) # print(scattered_field_data) # print("NORM ScatteredField :", np.linalg.norm(scattered_field_data)) # # print("s : ", s) # print("NORM B :" ,np.linalg.norm(b)) if np.isnan(scattered_field_data).any(): print("NAN Warning, s = ", s) scattered_field_data=np.zeros(np.shape(scattered_field_data)) return scattered_field_data.reshape(3,1)[:,0] def scattering_solution(dx,N,T,m): grid=bempp.api.shapes.sphere(h=dx) rhs=create_rhs(grid,dx,N,T,m) def ellipticSystem(s,b): return harmonic_calderon(s,b,grid) ScatOperator=Conv_Operator(ellipticSystem) #num_sol=ScatOperator.apply_convol(rhs,T) if (m==2): num_solStages=ScatOperator.apply_RKconvol(rhs,T,cutoff=10**(-7),method="RadauIIA-2") if (m==3): num_solStages=ScatOperator.apply_RKconvol(rhs,T,cutoff=10**(-7),method="RadauIIA-3") num_sol=np.zeros((len(num_solStages[:,0]),N+1)) num_sol[:,1:N+1]=np.real(num_solStages[:,m-1:N*m:m]) return num_sol import time T=6 #N_ref=2**4 N_ref=2**8 tt_ref=np.linspace(0,T,N_ref+1) #dx_ref=np.sqrt(2)**(-4) dx_ref=np.sqrt(2)**(-0) m=3 import matplotlib.pyplot as plt start=time.time() #sol_ref=scattering_solution(dx_ref,N_ref,T) #sol_ref2=scattering_solution(dx_ref,N_ref,T) # #tt=np.linspace(0,T,N_ref+1) #plt.plot(tt,np.abs(sol_ref[0,:])) #plt.plot(tt,np.abs(sol_ref[0,:]-sol_ref2[0,:])) ##plt.plot(tt,resc_ref[0,:],linestyle='dashed') ##plt.plot(tt,num_sol[0,:]) #plt.show() sol_ref=scattering_solution(dx_ref,N_ref,T,m) # #np.save("data/sol_ref_absorbing_delta10_N2h11_dxsqrt2m9RK5.npy",sol_ref) #sol_ref=np.load("data/sol_ref_absorbing_delta0p1_N2h11_dxsqrt2m10RK5.npy") #Current Reference solutions: #np.save("data/sol_ref_absorbing_delta0p1_N212_dxsqrt2m9RK5.npy",sol_ref) #np.save("data/sol_ref_absorbing_delta001_N212_dxsqrt2m9RK3.npy",sol_ref) #sol_ref=np.load("data/sol_ref_absorbing_delta1_N212_dxsqrt2m9RK3.npy") #sol_ref=np.load("data/sol_ref_absorbing_delta001_N212_dxsqrt2m9RK3.npy") #sol_ref=np.load("data/sol_ref_absorbing_N212_dxsqrt2m7RK5.npy") #import scipy.io #scipy.io.loadmat('data/Err_data_delta1.mat') #tt=np.linspace(0,T,N_ref+1) #plt.plot(tt,sol_ref[0,:]) #plt.show() #plt.plot(sol_ref[0,:]**2+sol_ref[1,:]**2+sol_ref[2,:]**2) #plt.show() Am_space=8 Am_time=7 #Am_space=1 #Am_time=8 tau_s=np.zeros(Am_time) h_s=np.zeros(Am_space) errors=np.zeros((Am_space,Am_time)) m=2 for ixSpace in range(Am_space): for ixTime in range(Am_time): N=8*2**(ixTime) tau_s[ixTime]=T*1.0/N tt=np.linspace(0,T,N+1) dx=np.sqrt(2)**(-ixSpace) h_s[ixSpace]=dx ########## Rescaling reference solution: speed=N_ref/N resc_ref=np.zeros((3,N+1)) # resc_ref=sol_ref for j in range(N+1): resc_ref[:,j] = sol_ref[:,j*speed] #num_sol = calc_ref_sol(N,dx,F_transfer) num_sol = scattering_solution(dx,N,T,m) # plt.plot(tt,num_sol[0,:]**2+num_sol[1,:]**2+num_sol[2,:]**2) # plt.plot(tt_ref,sol_ref[0,:]**2+sol_ref[1,:]**2+sol_ref[2,:]**2,linestyle='dashed') # plt.show() errors[ixSpace,ixTime]=np.max(np.abs(resc_ref-num_sol)) print(errors) import scipy.io # scipy.io.savemat('data/Err_data_delta10.mat', dict( ERR=errors,h_s=h_s,tau_s=tau_s)) #scipy.io.savemat('data/Err_data_delta0p1_long.mat', dict( ERR=errors,h_s=h_s,tau_s=tau_s)) end=time.time() print("Script Runtime: "+str((end-start)/60) +" Min") #

py

CQMaxwell

CQMaxwell-main/Old Scripts/load-test.py

import scipy.io import numpy as np #v=1j*np.zeros((2,1)) #scipy.io.savemat('data/test.mat',dict(v=v)) mat_contents=scipy.io.loadmat('data/cond.mat') freqCond=mat_contents['freqCond'] freqs = np.concatenate((freqCond[0,1:],np.conj(freqCond[0,1:]))) conds = np.concatenate((freqCond[1,1:],freqCond[1,1:])) norms = np.concatenate((freqCond[2,1:],freqCond[2,1:])) norminvs = np.concatenate((freqCond[3,1:],freqCond[3,1:])) n=len(freqs) posImagpart=[] negImagpart=[] for j in range(n): if np.imag(freqs[j])>=0: posImagpart.append(j) else: negImagpart.append(j) freqsPos=freqs[posImagpart] condsPos=conds[posImagpart] normsPos=norms[posImagpart] norminvsPos=normsinvs[posImagpart] indicesPos=np.argsort(np.real(freqsPos)) freqsPosOrdered=freqsPos[indicesPos] condsPosOrdered=condsPos[indicesPos] normsPosOrdered=normsPos[indicesPos] norminvsPosOrdered=norminvsPos[indicesPos] import matplotlib.pyplot as plt #plt.scatter(np.real(freqsPos),np.imag(freqsPos)) #plt.show() plt.semilogy(condsPosOrdered,linestyle='-') #plt.semilogy(np.real(freqsPos)) plt.show() #v_old=mat_contents['v'] #n=len(v_old[0,:]) #x=1j #y=1+1j #v_old=[[],[]] #v_new=np.concatenate((v_old,np.array([[x],[y]])),axis=1) ##v_new=np.zeros((2,n+1)) ##v_new[:,:n]=v_old ##v_new[:,n]=np.array([x,y])

py

CQMaxwell

CQMaxwell-main/Old Scripts/test_RK.py

import numpy as np def freq_der(s,b): return s**1*np.exp(-1*s)*b import math from RKconv_op import * def create_timepoints(c,N,T): m=len(c) time_points=np.zeros((1,m*N)) for j in range(m): time_points[0,j:m*N:m]=c[j]*1.0/N*np.ones((1,N))+np.linspace(0,1-1.0/N,N) return T*time_points def create_rhs(N,T,m): if (m==2): c_RK=np.array([1.0/3,1]) if (m==3): c_RK=np.array([2.0/5-math.sqrt(6)/10,2.0/5+math.sqrt(6)/10,1]) rhs=np.zeros((1,N*m)) time_points=create_timepoints(c_RK,N,T) for j in range(m*N): t=time_points[0,j] rhs[0,j]=np.sin(t)**6 return rhs def deriv_solution(N,T,m): rhs=create_rhs(N,T,m) def ellipticSystem(s,b): return harmonic_calderon(s,b,grid) ScatOperator=Conv_Operator(freq_der) #num_sol=ScatOperator.apply_convol(rhs,T) if (m==2): num_solStages=ScatOperator.apply_RKconvol(rhs,T,cutoff=10**(-8),show_progress=False,method="RadauIIA-2") if (m==3): num_solStages=ScatOperator.apply_RKconvol(rhs,T,cutoff=10**(-8),show_progress=False,method="RadauIIA-3") num_sol=np.zeros((1,N+1)) num_sol[:,1:N+1]=np.real(num_solStages[m-1:N*m:m]) return num_sol import time T=2 N_ref=2**12 tt_ref=np.linspace(0,T,N_ref+1) m=3 sol_ref=deriv_solution(N_ref,T,m) Am_time=8 #Am_space=1 #Am_time=8 tau_s=np.zeros(Am_time) errors=np.zeros(Am_time) m=2 for ixTime in range(Am_time): N=8*2**(ixTime) tau_s[ixTime]=T*1.0/N tt=np.linspace(0,T,N+1) ## Rescaling reference solution: speed=N_ref/N resc_ref=np.zeros((3,N+1)) # resc_ref=sol_ref for j in range(N+1): resc_ref[:,j] = sol_ref[:,j*speed] #num_sol = calc_ref_sol(N,dx,F_transfer) num_sol = deriv_solution(N,T,m) # plt.plot(tt,num_sol[0,:]**2+num_sol[1,:]**2+num_sol[2,:]**2) # plt.plot(tt_ref,sol_ref[0,:]**2+sol_ref[1,:]**2+sol_ref[2,:]**2,linestyle='dashed') #plt.show() errors[ixTime]=np.max(np.abs(resc_ref-num_sol)) print(errors) import scipy.io # scipy.io.savemat('data/Err_data_delta01.mat', dict( ERR=errors,h_s=h_s,tau_s=tau_s)) #scipy.io.savemat('data/Err_data_delta0p1_long.mat', dict( ERR=errors,h_s=h_s,tau_s=tau_s)) #end=time.time() #print("Script Runtime: "+str((end-start)/60) +" Min") import matplotlib.pyplot as plt plt.loglog(tau_s,errors) plt.loglog(tau_s,tau_s**3,linestyle='dashed') plt.loglog(tau_s,tau_s**2,linestyle='dashed') plt.loglog(tau_s,tau_s**1,linestyle='dashed') plt.show()

py

CQMaxwell

CQMaxwell-main/Old Scripts/MaxwellFrames.py

import bempp.api import numpy as np import math from RKconv_op import * def create_timepoints(c,N,T): m=len(c) time_points=np.zeros((1,m*N)) for j in range(m): time_points[0,j:m*N:m]=c[j]*1.0/N*np.ones((1,N))+np.linspace(0,1-1.0/N,N) return T*time_points def create_rhs(grid,N,T,m): #grid=bempp.api.shapes.sphere(h=dx) if (m==2): c_RK=np.array([1.0/3,1]) if (m==3): c_RK=np.array([2.0/5-math.sqrt(6)/10,2.0/5+math.sqrt(6)/10,1]) from bempp.api.operators.boundary import maxwell RT_space = bempp.api.function_space(grid,"RT",0) # curl_space=bempp.api.function_space(grid,"RBC",0) #from bempp.api.operators.boundary.sparse import identity as ident # id1 = ident(div_space,div_space,curl_space).weak_form() # print("CONDITION NUMBER : ", np.linalg.cond(bempp.api.as_matrix(id1).todense())) dof=RT_space.global_dof_count print(" DOF: ", dof) rhs=np.zeros((dof+dof,N*m)) curls=np.zeros((dof,N*m)) time_points=create_timepoints(c_RK,N,T) for j in range(m*N): t=time_points[0,j] def incident_field(x): return np.array([np.exp(-50*(x[2]-t+1)**2), 0. * x[2], 0. * x[2]]) #return np.array([np.exp(-200*(x[2]-t+2)**2), 0. * x[2], 0. * x[2]]) def tangential_trace(x, n, domain_index, result): result[:] = np.cross(n,np.cross(incident_field(x), n)) def curl_trace(x,n,domain_index,result): curlU=np.array([ 0. * x[2],-100*(x[2]-t+1)*np.exp(-50*(x[2]-t+1)**2), 0. * x[2]]) result[:] = np.cross(curlU , n) curl_fun = bempp.api.GridFunction(RT_space, fun=curl_trace,dual_space=RT_space) trace_fun= bempp.api.GridFunction(RT_space, fun=tangential_trace,dual_space=RT_space) rhs[0:dof,j]=trace_fun.coefficients curlCoeffs=curl_fun.coefficients if np.linalg.norm(curlCoeffs)>10**-9: curls[0:dof,j]=curlCoeffs #print("RHS NORM :", np.linalg.norm(trace_fun.coefficients)) def sinv(s,b): return s**(-1)*b IntegralOperator=Conv_Operator(sinv) def HarmonicImpedance(s,b): return 0.1*s**(0.5)*b TimeImpedance=Conv_Operator(HarmonicImpedance) if (m==2): curls=IntegralOperator.apply_RKconvol(curls,T,method="RadauIIA-2",show_progress=False) ZptNeuTrace=TimeImpedance.apply_RKconvol(curls,T,method="RadauIIA-2",show_progress=False) if (m==3): curls=IntegralOperator.apply_RKconvol(curls,T,method="RadauIIA-3",show_progress=False) ZptNeuTrace=TimeImpedance.apply_RKconvol(curls,T,method="RadauIIA-3",show_progress=False) rhs[0:dof,:]=np.real(ZptNeuTrace)-rhs[0:dof,:] return rhs def harmonic_calderon(s,b,grid,points): OrderQF = 8 #tol= np.finfo(float).eps bempp.api.global_parameters.quadrature.near.max_rel_dist = 2 bempp.api.global_parameters.quadrature.near.single_order =OrderQF-1 bempp.api.global_parameters.quadrature.near.double_order = OrderQF-1 bempp.api.global_parameters.quadrature.medium.max_rel_dist =4 bempp.api.global_parameters.quadrature.medium.single_order =OrderQF-2 bempp.api.global_parameters.quadrature.medium.double_order =OrderQF-2 bempp.api.global_parameters.quadrature.far.single_order =OrderQF-3 bempp.api.global_parameters.quadrature.far.double_order =OrderQF-3 bempp.api.global_parameters.quadrature.double_singular = OrderQF bempp.api.global_parameters.hmat.eps=10**-4 bempp.api.global_parameters.hmat.admissibility='strong' ### Define Spaces NC_space=bempp.api.function_space(grid, "NC",0) RT_space=bempp.api.function_space(grid, "RT",0) elec = -bempp.api.operators.boundary.maxwell.electric_field(RT_space, RT_space, NC_space,1j*s) magn = -bempp.api.operators.boundary.maxwell.magnetic_field(RT_space, RT_space, NC_space, 1j*s) identity2=bempp.api.operators.boundary.sparse.identity(RT_space, RT_space, RT_space) identity= -bempp.api.operators.boundary.sparse.identity(RT_space, RT_space, NC_space) dof=NC_space.global_dof_count trace_fun= bempp.api.GridFunction(RT_space, coefficients=b[0:dof],dual_space=RT_space) zero_fun= bempp.api.GridFunction(RT_space,coefficients = b[dof:],dual_space=RT_space) #rhs=[trace_fun,zero_fun] id_discrete=identity2.weak_form() b[0:dof]=id_discrete*b[0:dof] blocks=np.array([[None,None], [None,None]]) blocks[0,0] = -elec.weak_form()+0.1*s**0.5*identity2.weak_form() blocks[0,1] = magn.weak_form()-1.0/2*identity.weak_form() blocks[1,0] = -magn.weak_form()-1.0/2*identity.weak_form() blocks[1,1] = -elec.weak_form() blocks=bempp.api.BlockedDiscreteOperator(blocks) #from bempp.api.linalg import gmres from scipy.sparse.linalg import gmres lambda_data,info = gmres(blocks, b,tol=10**-5) #print(np.linalg.norm(lambda_data)) #print("I survived!") #from bempp.api.linalg import lu #lambda_data = lu(elec, trace_fun) #lambda_data.plot() #print("Norm lambda_data : ",np.linalg.norm(lambda_data)) #if (np.linalg.norm(lambda_data)<10**-10): phigrid=bempp.api.GridFunction(RT_space,coefficients=lambda_data[0:dof],dual_space=RT_space) psigrid=bempp.api.GridFunction(RT_space,coefficients=lambda_data[dof:2*dof],dual_space=RT_space) ######## Create Points # # x_a=-0.75 # x_b=0.75 # y_a=-0.25 # y_b=1.25 ## # x_a=-2 # x_b=2 # y_a=-2 # y_b=2 # n_grid_points=150 ################################################ # plot_grid = np.mgrid[y_a:y_b:1j*n_grid_points, x_a:x_b:1j*n_grid_points] ## plot_grid = np.mgrid[-0.5:1:1j*n_grid_points, -1.5:1.5:1j*n_grid_points] # #print(plot_grid) ## points = np.vstack( ( plot_grid[0].ravel() , plot_grid[1].ravel() , 0.25*np.ones(plot_grid[0].size) ) ) # # points = np.vstack( ( plot_grid[0].ravel() , 0*np.ones(plot_grid[0].size) , plot_grid[1].ravel()) ) #point=np.array([[0],[0],[2]]) slp_pot = bempp.api.operators.potential.maxwell.electric_field(RT_space, points, s*1j) dlp_pot = bempp.api.operators.potential.maxwell.magnetic_field(RT_space, points, s*1j) scattered_field_data = -slp_pot * phigrid+dlp_pot*psigrid # print("NORM COMBINED OPERATOR :" , np.linalg.norm(scattered_field_data)/np.linalg.norm(b)) # print(scattered_field_data) # print("NORM ScatteredField :", np.linalg.norm(scattered_field_data)) # # print("s : ", s) # print("NORM B :" ,np.linalg.norm(b)) if np.isnan(scattered_field_data).any(): print("NAN Warning",s) print("NORM B :" ,np.linalg.norm(b)) return np.zeros(n_grid_points**2*3) #print(scattered_field_data.reshape(3,1)[:,0]) return scattered_field_data.reshape(n_grid_points**2*3,1)[:,0] def scattering_solution(dx,N,T,m,points): import scipy.io import numpy as np mat_contents=scipy.io.loadmat('grids/TorusDOF896.mat') Nodes=np.array(mat_contents['Nodes']).T rawElements=mat_contents['Elements'] for j in range(len(rawElements)): betw=rawElements[j][0] rawElements[j][0]=rawElements[j][1] rawElements[j][1]=betw Elements=np.array(rawElements).T Elements=Elements-1 grid=bempp.api.grid_from_element_data(Nodes,Elements) # def tangential_trace(x, n, domain_index, result): # result[:] = n[1] # # P1_space = bempp.api.function_space(grid,"P",1) # normal_fun = bempp.api.GridFunction(P1_space, fun=tangential_trace,dual_space=P1_space) #normal_fun.plot() #grid.plot() #grid=bempp.api.shapes.sphere(h=dx) rhs=create_rhs(grid,N,T,m) def ellipticSystem(s,b): return harmonic_calderon(s,b,grid,points) ScatOperator=Conv_Operator(ellipticSystem) #num_sol=ScatOperator.apply_convol(rhs,T) if (m==2): num_solStages=ScatOperator.apply_RKconvol(rhs,T,cutoff=10**(-8),method="RadauIIA-2") if (m==3): num_solStages=ScatOperator.apply_RKconvol(rhs,T,cutoff=10**(-8),method="RadauIIA-3") num_sol=np.zeros((len(num_solStages[:,0]),N+1)) num_sol[:,1:N+1]=np.real(num_solStages[:,m-1:N*m:m]) return num_sol import time N=200 T=4 #Generate points x_a=-1.5 x_b=1.5 y_a=-1.5 y_b=1.5 n_grid_points=300 nx=n_grid_points nz=n_grid_points ####################################### plot_grid = np.mgrid[y_a:y_b:1j*n_grid_points, x_a:x_b:1j*n_grid_points] #plot_grid = np.mgrid[-0.5:1:1j*n_grid_points, -1.5:1.5:1j*n_grid_points] #print(plot_grid) points = np.vstack( ( plot_grid[0].ravel() , 0*np.ones(plot_grid[0].size) , plot_grid[1].ravel()) ) evals=scattering_solution(1,N,T,3,points) u_ges=np.zeros((n_grid_points**2,N+1)) for j in range(N+1): #matplotlib inline import matplotlib from matplotlib import pylab as plt # Adjust the figure size in IPython matplotlib.rcParams['figure.figsize'] = (10.0, 8.0) # A=points[0] # B=points[2] # max_grid=np.zeros((nx,nz)) ## for k in range(nz): ## A[k]=A[k]-0.5 ## B[k]=B[k]-0.5 ## for i in range(nx): ## max_grid[i,k]=max(np.abs(A[i]-0.5),np.abs(B[k]-0.5)) t=j*T*1.0/N def incident_field(x): return np.array([np.exp(-50*(x[2]-t+1)**2), 0. * x[2], 0. * x[2]]) incident_field_data = incident_field(points) #scat_eval=np.zeros(nx*nz*3) #incident_field_data[radius<1]=np.nan scat_eval=evals[:,j].reshape(3,nx*nz) # print(scat_eval) field_data = scat_eval + incident_field_data # field_data = scat_eval # field_data = incident_field_data # print("Points: ") # print(points) # print("Data: ") #print(field_data) squared_field_density = np.sum(field_data * field_data,axis = 0) u_ges[:,j]=squared_field_density.T #squared_field_density=field_data[2,:] #squared_field_density[radius<1]=np.nan #print("MAX FIELD DATA: " , max(squared_field_density)) print(max(np.abs(squared_field_density))) #plt.imshow(squared_field_density.reshape((nx, nz)).T, # cmap='coolwarm', origin='lower', # extent=[x_a, x_b, y_a, y_b]) #if j==10: # plt.colorbar() #plt.clim((-1,1)) #plt.title("Squared Electric Field Density") #plt.savefig("data/wave_images/Screen_n{}.png".format(j)) import scipy.io scipy.io.savemat('data/delta01_dof896.mat',dict(u_ges=u_ges,N=N,T=T,plot_grid=plot_grid,points=points)) #

py

Semi-Online-KD

Semi-Online-KD-master/main.py

import argparse import yaml import os import torch from trainer import build_trainer from utils.utils import save_code, save_opts def main(): parser = argparse.ArgumentParser(description='KnowledgeDistillation') parser.add_argument('--configs', '-c', dest='params', default='./configs/sokd.yaml') parser.add_argument('--name', '-n', dest='name', default='debug') parser.add_argument('--seed', '-s', type=int, default=8888) parser.add_argument('--gpus', '-g', type=str, default='0') args = parser.parse_args() os.environ["CUDA_VISIBLE_DEVICES"] = args.gpus with open(args.params) as f: params = yaml.load(f, Loader=yaml.FullLoader) params['name'] = args.name params['seed'] = args.seed params['device'] = torch.device('cuda' if torch.cuda.is_available() else 'cpu') trainer = build_trainer(**params) save_opts(params, trainer.save_folder) save_code(trainer.repo_path, f"{trainer.save_folder}/code", ['results', 'datasets']) trainer.run() trainer.logger.info(f"{trainer.experimental_name} done!") if __name__ == '__main__': main()

py

Semi-Online-KD

Semi-Online-KD-master/trainer/base_trainer.py

from datetime import datetime from tensorboardX import SummaryWriter import os import logging from utils.utils import create_logger, output_process, fix_random class BaseTrainer(object): def __init__(self, experimental_name='debug', seed=None): # BASE self.current_time = datetime.now().strftime('%b.%d_%H.%M.%S') self.writer = None self.logger = None self.experimental_name = experimental_name self.seed = seed # SAVE PATH self.repo_path = os.getcwd() self.save_folder = f'{self.repo_path}/results/{experimental_name}' output_process(self.save_folder) # create folder or not self._init_log() # get log and writer if seed is not None: fix_random(seed) def _init_log(self): self.writer = SummaryWriter(log_dir=self.save_folder) self.logger = create_logger() fh = logging.FileHandler(filename=f'{self.save_folder}/log.txt') formatter = logging.Formatter('%(asctime)s - %(name)s - %(levelname)s - %(message)s') fh.setFormatter(formatter) self.logger.addHandler(fh)

py

Semi-Online-KD

Semi-Online-KD-master/trainer/vanilla.py

import torch.nn as nn import torch from tqdm import tqdm from trainer.base_trainer import BaseTrainer from models import model_dict from utils.utils import count_parameters_in_MB, AverageMeter, accuracy, save_checkpoint from dataset import get_dataloader class Vanilla(BaseTrainer): def __init__(self, params, experimental_name=''): # Data self.data_name = params.get('data_name') self.data_path = params.get('data_path') self.num_classes = params.get('num_classes', 100) self.train_loader = None self.test_loader = None # Model self.model_name = params.get('model_name') self.model_depth = params.get('model_depth', '') self.model_widen = params.get('model_widen', '') self.model_checkpoint = params.get('model_checkpoint') self.model = None self.testing = params.get('evaluation', False) # Base training settings self.start_epoch = params.get('start_epoch', 1) self.epochs = params.get('epochs', 200) self.batch_size = params.get('batch_size', 128) self.lr = params.get('lr', 0.1) self.device = params.get('device', 'cuda') self.milestones = params.get('milestones', [200]) self.optimizer = None self.scheduler = None self.criterion_ce = nn.CrossEntropyLoss() # Log self.best_top1 = 0 self.best_top5 = 0 self.best_epoch = 0 seed = params.get('seed', None) experimental_name = f"{self.__class__.__name__}_{self.model_name}{self.model_depth}-{self.model_widen}_{self.data_name}_" \ f"{experimental_name}/{params.get('name', 'debug')}" super().__init__(experimental_name, seed) def run(self): self.set_data() self.set_model() self.set_optimizer_scheduler() self.train_model() def train_model(self): if self.model_checkpoint: state_dict = torch.load(self.model_checkpoint) self.model.load_state_dict(state_dict['model']) self.optimizer.load_state_dict(state_dict['optimizer']) self.scheduler.load_state_dict(state_dict['scheduler']) self.best_top1 = state_dict['best_top1'] self.best_top5 = state_dict['best_top5'] self.best_epoch = state_dict['best_epoch'] self.start_epoch = state_dict['start_epoch'] self.logger.info("Load model's checkpoint done!") if self.testing: self.logger.info("Start testing model...") top1, top5 = self.evaluation_vanilla(self.model) self.logger.info(f"top1:{top1.avg:.2f}, top5:{top5.avg:.2f}") else: self.logger.info("Start training model...") for epoch in tqdm(range(self.start_epoch, self.epochs + 1)): self.logger.info(f'Epoch[{epoch}/{self.epochs}]') self.train() top1, top5 = self.evaluation(self.model) self.writer.add_scalar('test/top1', top1.avg, epoch) is_best = False if top1.avg > self.best_top1: self.best_top1 = top1.avg self.best_top5 = top5.avg self.best_epoch = epoch is_best = True state_dict = {'model': self.model.state_dict(), 'optimizer': self.optimizer.state_dict(), 'scheduler': self.scheduler.state_dict(), 'best_top1': self.best_top1, 'best_top5': self.best_top5, 'best_epoch': self.best_epoch, 'start_epoch': epoch } save_checkpoint(state_dict, is_best, f"{self.save_folder}/model") self.logger.info( f"Test=> lr:{self.optimizer.param_groups[0]['lr']}, " f"top1:{top1.avg:.2f}, top5:{top5.avg:.2f} " f"@Best:({self.best_top1}, {self.best_top5}, {self.best_epoch})") self.scheduler.step() def train(self): self.model.train() total_loss = AverageMeter() total_top1 = AverageMeter() total_top5 = AverageMeter() for batch_id, (data, targets) in enumerate(self.train_loader): data = data.to(self.device) targets = targets.to(self.device) output = self.model(data) loss = self.criterion_ce(output, targets) top1, top5 = accuracy(output, targets, topk=(1, 5)) self.optimizer.zero_grad() loss.backward() self.optimizer.step() total_loss.update(loss.item(), data.size(0)) total_top1.update(top1.item(), data.size(0)) total_top5.update(top5.item(), data.size(0)) info_str = f"Train=> total_loss: {total_loss.avg}, " \ f"prec@1: {total_top1.avg}, prec@5: {total_top5.avg}" self.logger.info(info_str) @torch.no_grad() def evaluation_vanilla(self, model): model.eval() total_top1 = AverageMeter() total_top5 = AverageMeter() for batch_id, (data, targets) in enumerate(self.test_loader): data = data.to(self.device) targets = targets.to(self.device) output_S = model(data) top1, top5 = accuracy(output_S, targets, topk=(1, 5)) total_top1.update(top1.item(), data.size(0)) total_top5.update(top5.item(), data.size(0)) return total_top1, total_top5 @torch.no_grad() def evaluation(self, model): model.eval() total_top1 = AverageMeter() total_top5 = AverageMeter() for batch_id, (data, targets) in enumerate(self.test_loader): data = data.to(self.device) targets = targets.to(self.device) output_S = model(data) top1, top5 = accuracy(output_S, targets, topk=(1, 5)) total_top1.update(top1.item(), data.size(0)) total_top5.update(top5.item(), data.size(0)) return total_top1, total_top5 def set_data(self): self.train_loader, self.test_loader = get_dataloader(self.data_name, self.data_path, self.batch_size) def set_model(self): if self.data_name.startswith('CIFAR'): if self.model_name == 'wideresnet': self.model = model_dict[f"wrn_{self.model_depth}_{self.model_widen}"](num_classes=self.num_classes) else: assert False, f'Not considering {self.model_name}' if torch.cuda.device_count() > 1: self.model = torch.nn.DataParallel(self.model) self.model = self.model.to(self.device) else: assert False, f"Not considering {self.data_name}" def set_optimizer_scheduler(self): self.optimizer = torch.optim.SGD(self.model.parameters(), lr=self.lr, momentum=0.9, weight_decay=5e-4) self.scheduler = torch.optim.lr_scheduler.MultiStepLR(self.optimizer, self.milestones)

py

Semi-Online-KD

Semi-Online-KD-master/trainer/__init__.py

from trainer.sokd import SemiOnlineKnowledgeDistillation from trainer.vanilla import Vanilla def build_trainer(**kwargs): maps = dict( sokd=SemiOnlineKnowledgeDistillation, vanilla=Vanilla, ) return maps[kwargs['distillation_type']](kwargs)

py

Semi-Online-KD

Semi-Online-KD-master/trainer/sokd.py

import torch from trainer.vanilla import Vanilla from utils.utils import accuracy, AverageMeter, save_checkpoint from kd_losses import SoftTarget from models import model_dict class SemiOnlineKnowledgeDistillation(Vanilla): def __init__(self, params): # Model self.teacher_name = params.get('teacher_name') self.teacher_depth = params.get('teacher_depth', '') self.teacher_widen = params.get('teacher_widen', '') self.teacher_checkpoint = params.get('teacher_checkpoint') self.teacher = None # Coefficient self.lambda_kd = params.get('lambda_kd', 1) self.lambda_ce = params.get('lambda_ce', 1) self.auxiliary_lambda_kd_t = params.get('auxiliary_lambda_kd_t', 1) self.auxiliary_lambda_kd_s = params.get('auxiliary_lambda_kd_s', 1) self.auxiliary_lambda_ce = params.get('auxiliary_lambda_ce', 1) self.lr_auxiliary = params.get('lr_auxiliary', 0.05) self.distillation_name = params.get('distillation_name', 'soft_target') self.criterion_kd = SoftTarget(T=4) self.auxiliary_index = -3 self.best_top1_A = 0 experimental_name = f"Teacher-{self.teacher_name}{self.teacher_depth}-{self.teacher_widen}" super().__init__(params, experimental_name) def run(self): self.set_data() self.set_model() self.load_teacher() self.set_optimizer_scheduler() self.train_model() def load_teacher(self): if self.teacher_name == 'wideresnet': self.teacher = model_dict[f"wrn_{self.teacher_depth}_{self.teacher_widen}"]( num_classes=self.num_classes) else: assert False, f'Not considering {self.teacher_name}' if torch.cuda.device_count() > 1: self.teacher = torch.nn.DataParallel(self.teacher) self.teacher = self.teacher.to(self.device) if self.teacher_checkpoint: state = torch.load(self.teacher_checkpoint)['model'] teacher_state_dict = self.teacher.state_dict() loaded_state = {k: v for k, v in state.items() if k in teacher_state_dict} teacher_state_dict.update(loaded_state) self.teacher.load_state_dict(teacher_state_dict) self.logger.info("Load teacher's checkpoint done!") else: self.logger.info("No teacher's checkpoint!") top1, _ = self.evaluation_vanilla(self.teacher) self.logger.info(f'Teacher ACC: {top1.avg}') for k, v in self.teacher.named_parameters(): if 'auxiliary' not in k: v.requires_grad = False def train(self): self.model.train() self.teacher.train() # log of student total_loss = AverageMeter() total_loss_ce = AverageMeter() total_loss_kd = AverageMeter() total_top1 = AverageMeter() total_top5 = AverageMeter() # log of auxiliary total_loss_A = AverageMeter() total_loss_ce_A = AverageMeter() total_loss_kd_T_A = AverageMeter() total_loss_kd_S_A = AverageMeter() total_top1_A = AverageMeter() total_top5_A = AverageMeter() for batch_id, (data, targets) in enumerate(self.train_loader): data = data.to(self.device) targets = targets.to(self.device) feature_S, output_S = self.model(data, is_feat=True) feature_T, output_T = self.teacher(data, is_feat=True) feature_A, output_A = self.teacher.auxiliary_forward(feature_T[self.auxiliary_index].detach()) # loss of auxiliary loss_kd_T_A, loss_kd_S_A, loss_kd = self.calculate_kd(self.distillation_name, feature_S, feature_A, feature_T, output_S, output_A, output_T) loss_ce_A = self.criterion_ce(output_A, targets) * self.auxiliary_lambda_ce loss_A = loss_ce_A + loss_kd_T_A + loss_kd_S_A # loss of student loss_ce = self.criterion_ce(output_S, targets) * self.lambda_ce loss = loss_ce + loss_kd loss_total = loss_A + loss # accuracy top1, top5 = accuracy(output_S, targets, topk=(1, 5)) top1_A, top5_A = accuracy(output_A, targets, topk=(1, 5)) # update parameter of student self.optimizer.zero_grad() loss_total.backward() self.optimizer.step() # update log of student total_loss.update(loss.item(), data.size(0)) total_loss_ce.update(loss_ce.item(), data.size(0)) total_loss_kd.update(loss_kd.item(), data.size(0)) total_top1.update(top1.item(), data.size(0)) total_top5.update(top5.item(), data.size(0)) # update log of auxiliary total_loss_A.update(loss_A.item(), data.size(0)) total_loss_ce_A.update(loss_ce_A.item(), data.size(0)) total_loss_kd_T_A.update(loss_kd_T_A.item(), data.size(0)) total_loss_kd_S_A.update(loss_kd_S_A.item(), data.size(0)) total_top1_A.update(top1_A.item(), data.size(0)) total_top5_A.update(top5_A.item(), data.size(0)) info_str = f"Train (Branch)=> loss_ce: {total_loss_ce_A.avg:.4f}, loss_kd_T_A: {total_loss_kd_T_A.avg:.4f}," \ f"loss_kd_S_A: {total_loss_kd_S_A.avg:.4f}, prec@1: {total_top1_A.avg:.2f}, prec@5: {total_top5_A.avg:.2f}" self.logger.info(info_str) info_str = f"Train (Student)=> loss_ce: {total_loss_ce.avg:.4f}, loss_kd: {total_loss_kd.avg:.4f}, " \ f"prec@1: {total_top1.avg:.2f}, prec@5: {total_top5.avg:.2f}" self.logger.info(info_str) return total_top1, total_top5 @torch.no_grad() def evaluation(self, model): model.eval() self.teacher.eval() total_top1 = AverageMeter() total_top5 = AverageMeter() total_top1_t = AverageMeter() total_top5_t = AverageMeter() for batch_id, (data, targets) in enumerate(self.test_loader): data = data.to(self.device) targets = targets.to(self.device) output_S = model(data) feature_T, output_T = self.teacher(data, is_feat=True) _, output_A = self.teacher.auxiliary_forward(feature_T[self.auxiliary_index].detach()) top1, top5 = accuracy(output_S, targets, topk=(1, 5)) total_top1.update(top1.item(), data.size(0)) total_top5.update(top5.item(), data.size(0)) top1_t, top5_t = accuracy(output_A, targets, topk=(1, 5)) total_top1_t.update(top1_t.item(), data.size(0)) total_top5_t.update(top5_t.item(), data.size(0)) if total_top1_t.avg > self.best_top1_A: self.best_top1_A = total_top1_t.avg state_dict = {'model': self.teacher.state_dict()} save_checkpoint(state_dict, True, f"{self.save_folder}/teacher") self.logger.info( f"Test (branch)=> lr:{self.optimizer.param_groups[1]['lr']}, " f"top1_A:{total_top1_t.avg:.2f}, top5_A:{total_top5_t.avg:.2f}, @Best: {self.best_top1_A}") return total_top1, total_top5 def set_optimizer_scheduler(self): self.optimizer = torch.optim.SGD([{'params': self.model.parameters()}, {'params': self.teacher.parameters(), 'lr': self.lr_auxiliary}], lr=self.lr, momentum=0.9, weight_decay=5e-4) self.scheduler = torch.optim.lr_scheduler.MultiStepLR(self.optimizer, self.milestones) def calculate_kd(self, name, feature_S, feature_A, feature_T, output_S, output_A, output_T): if name == 'soft_target': loss_kd_T_A = self.criterion_kd(output_A, output_T.detach()) * self.auxiliary_lambda_kd_t loss_kd_S_A = self.criterion_kd(output_A, output_S.detach()) * self.auxiliary_lambda_kd_s loss_S = self.criterion_kd(output_S, output_A.detach()) * self.lambda_kd else: assert NotImplementedError, f"No considering {name}" return loss_kd_T_A, loss_kd_S_A, loss_S

py

Semi-Online-KD

Semi-Online-KD-master/dataset/__init__.py

from torchvision import transforms from torchvision import datasets import torch def get_dataset(data_name, data_path): """ Get dataset according to data name and data path. """ transform_train, transform_test = data_transform(data_name) if data_name.lower() == 'cifar100': train_dataset = datasets.CIFAR100(data_path, train=True, download=True, transform=transform_train) test_dataset = datasets.CIFAR100(data_path, train=False, download=True, transform=transform_test) else: raise NotImplementedError(f'No considering {data_name}') return train_dataset, test_dataset def get_dataloader(data_name, data_path, batch_size): train_dataset, test_dataset = get_dataset(data_name, data_path) train_loader = torch.utils.data.DataLoader(train_dataset, batch_size=batch_size, shuffle=True, num_workers=2) test_loader = torch.utils.data.DataLoader(test_dataset, batch_size=batch_size, shuffle=False, num_workers=2) return train_loader, test_loader def data_transform(data_name): transform_train, transform_test = None, None if data_name.lower().startswith('cifar'): transform_train = transforms.Compose([ transforms.Pad(4, padding_mode='reflect'), transforms.RandomCrop(32), transforms.RandomHorizontalFlip(), transforms.ToTensor(), transforms.Normalize((0.4914, 0.4822, 0.4465), (0.2470, 0.2435, 0.2616)), ]) transform_test = transforms.Compose([ transforms.CenterCrop(32), transforms.ToTensor(), transforms.Normalize((0.4914, 0.4822, 0.4465), (0.2470, 0.2435, 0.2616)), ]) else: assert False return transform_train, transform_test

py

Semi-Online-KD

Semi-Online-KD-master/models/__init__.py

from .wrn import wrn_40_1, wrn_40_2 model_dict = { 'wrn_40_1': wrn_40_1, 'wrn_40_2': wrn_40_2 }

py

Semi-Online-KD

Semi-Online-KD-master/models/wrn.py

import math import torch import torch.nn as nn import torch.nn.functional as F from copy import deepcopy __all__ = ['wrn'] class BasicBlock(nn.Module): def __init__(self, in_planes, out_planes, stride, dropRate=0.0): super(BasicBlock, self).__init__() self.bn1 = nn.BatchNorm2d(in_planes) self.relu1 = nn.ReLU(inplace=True) self.conv1 = nn.Conv2d(in_planes, out_planes, kernel_size=3, stride=stride, padding=1, bias=False) self.bn2 = nn.BatchNorm2d(out_planes) self.relu2 = nn.ReLU(inplace=True) self.conv2 = nn.Conv2d(out_planes, out_planes, kernel_size=3, stride=1, padding=1, bias=False) self.droprate = dropRate self.equalInOut = (in_planes == out_planes) self.convShortcut = (not self.equalInOut) and nn.Conv2d(in_planes, out_planes, kernel_size=1, stride=stride, padding=0, bias=False) or None def forward(self, x): if not self.equalInOut: x = self.relu1(self.bn1(x)) else: out = self.relu1(self.bn1(x)) out = self.relu2(self.bn2(self.conv1(out if self.equalInOut else x))) if self.droprate > 0: out = F.dropout(out, p=self.droprate, training=self.training) out = self.conv2(out) return torch.add(x if self.equalInOut else self.convShortcut(x), out) class NetworkBlock(nn.Module): def __init__(self, nb_layers, in_planes, out_planes, block, stride, dropRate=0.0): super(NetworkBlock, self).__init__() self.layer = self._make_layer(block, in_planes, out_planes, nb_layers, stride, dropRate) def _make_layer(self, block, in_planes, out_planes, nb_layers, stride, dropRate): layers = [] for i in range(nb_layers): layers.append(block(i == 0 and in_planes or out_planes, out_planes, i == 0 and stride or 1, dropRate)) return nn.Sequential(*layers) def forward(self, x): return self.layer(x) class WideResNet(nn.Module): def __init__(self, depth, num_classes, widen_factor=1, dropRate=0.0): super(WideResNet, self).__init__() nChannels = [16, 16 * widen_factor, 32 * widen_factor, 64 * widen_factor] assert (depth - 4) % 6 == 0, 'depth should be 6n+4' n = (depth - 4) // 6 block = BasicBlock # 1st conv before any network block self.conv1 = nn.Conv2d(3, nChannels[0], kernel_size=3, stride=1, padding=1, bias=False) # 1st block self.block1 = NetworkBlock(n, nChannels[0], nChannels[1], block, 1, dropRate) # 2nd block self.block2 = NetworkBlock(n, nChannels[1], nChannels[2], block, 2, dropRate) # 3rd block self.block3 = NetworkBlock(n, nChannels[2], nChannels[3], block, 2, dropRate) # global average pooling and classifier self.bn1 = nn.BatchNorm2d(nChannels[3]) self.relu = nn.ReLU(inplace=True) self.fc = nn.Linear(nChannels[3], num_classes) self.nChannels = nChannels[3] self.auxiliary_block = nn.Sequential( deepcopy(self.block3) ) self.auxiliary_bn1 = deepcopy(self.bn1) self.auxiliary_fc = deepcopy(self.fc) for m in self.modules(): if isinstance(m, nn.Conv2d): n = m.kernel_size[0] * m.kernel_size[1] * m.out_channels m.weight.data.normal_(0, math.sqrt(2. / n)) elif isinstance(m, nn.BatchNorm2d): m.weight.data.fill_(1) m.bias.data.zero_() elif isinstance(m, nn.Linear): m.bias.data.zero_() def get_feat_modules(self): feat_m = nn.ModuleList([]) feat_m.append(self.conv1) feat_m.append(self.block1) feat_m.append(self.block2) feat_m.append(self.block3) return feat_m def get_bn_before_relu(self): bn1 = self.block2.layer[0].bn1 bn2 = self.block3.layer[0].bn1 bn3 = self.bn1 return [bn1, bn2, bn3] def forward(self, x, is_feat=False, preact=False): out = self.conv1(x) f0 = out out = self.block1(out) f1 = out out = self.block2(out) f2 = out out = self.block3(out) f3 = out out = self.relu(self.bn1(out)) out = F.avg_pool2d(out, 8) out = out.view(-1, self.nChannels) f4 = out out = self.fc(out) if is_feat: if preact: f1 = self.block2.layer[0].bn1(f1) f2 = self.block3.layer[0].bn1(f2) f3 = self.bn1(f3) return [f0, f1, f2, f3, f4], out else: return out def auxiliary_forward(self, feat): out = self.auxiliary_block(feat) f0 = out out = self.relu(self.auxiliary_bn1(out)) out = F.avg_pool2d(out, 8) out = out.view(-1, self.nChannels) f1 = out out = self.auxiliary_fc(out) return [f0, f1], out def wrn(**kwargs): """ Constructs a Wide Residual Networks. """ model = WideResNet(**kwargs) return model def wrn_40_2(**kwargs): model = WideResNet(depth=40, widen_factor=2, **kwargs) return model def wrn_40_1(**kwargs): model = WideResNet(depth=40, widen_factor=1, **kwargs) return model

py

Semi-Online-KD

Semi-Online-KD-master/kd_losses/st.py

from __future__ import absolute_import from __future__ import print_function from __future__ import division import torch import torch.nn as nn import torch.nn.functional as F class SoftTarget(nn.Module): ''' Distilling the Knowledge in a Neural Network https://arxiv.org/pdf/1503.02531.pdf ''' def __init__(self, T): super(SoftTarget, self).__init__() self.T = T def forward(self, out_s, out_t): loss = F.kl_div(F.log_softmax(out_s/self.T, dim=1), F.softmax(out_t/self.T, dim=1), reduction='batchmean') * self.T * self.T return loss

py

Semi-Online-KD

Semi-Online-KD-master/kd_losses/__init__.py

from .st import SoftTarget

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Semi-Online-KD

Semi-Online-KD-master/utils/utils.py

import logging import colorlog import os import time import shutil import torch import random import numpy as np from shutil import copyfile def create_logger(): """ Setup the logging environment """ log = logging.getLogger() # root logger log.setLevel(logging.DEBUG) format_str = '%(asctime)s - %(levelname)-8s - %(message)s' date_format = '%Y-%m-%d %H:%M:%S' if os.isatty(2): cformat = '%(log_color)s' + format_str colors = {'DEBUG': 'reset', 'INFO': 'reset', 'WARNING': 'bold_yellow', 'ERROR': 'bold_red', 'CRITICAL': 'bold_red'} formatter = colorlog.ColoredFormatter(cformat, date_format, log_colors=colors) else: formatter = logging.Formatter(format_str, date_format) stream_handler = logging.StreamHandler() stream_handler.setFormatter(formatter) log.addHandler(stream_handler) return logging.getLogger(__name__) class TimeRecorder(object): """ Recode training time. """ def __init__(self, start_epoch, epochs, logger): self.total_time = 0. self.remaining_time = 0. self.epochs = epochs self.start_epoch = start_epoch self.logger = logger self.start_time = time.time() def update(self): now_time = time.time() elapsed_time = now_time - self.start_time self.start_time = now_time self.total_time += elapsed_time self.remaining_time = elapsed_time * (self.epochs - self.start_epoch) self.start_epoch += 1 self.logger.info(f'Cost time=>{self.format_time(self.total_time)}') self.logger.info(f'Remaining time=>{self.format_time(self.remaining_time)}') @staticmethod def format_time(time): h = time // 3600 m = (time % 3600) // 60 s = (time % 3600) % 60 return f'{h}h{m}m{s:.2f}s' def output_process(output_path): if os.path.exists(output_path): print("{} file exist!".format(output_path)) action = input("Select Action: d (delete) / q (quit):").lower().strip() act = action if act == 'd': shutil.rmtree(output_path) else: raise OSError("Directory {} exits!".format(output_path)) if not os.path.exists(output_path): os.makedirs(output_path) def save_code(src, dst, exclude=[]): """ Save experimental codes. """ for f in os.listdir(src): # Do not save experimental results if f in exclude: continue src_file = os.path.join(src, f) file_split = f.split(".") if len(file_split) >= 2: if not os.path.isdir(dst): os.makedirs(dst) dst_file = os.path.join(dst, f) try: shutil.copyfile(src=src_file, dst=dst_file) except: print("Copy file error! src: {}, dst: {}".format(src_file, dst_file)) elif os.path.isdir(src_file): deeper_dst = os.path.join(dst, f) save_code(src_file, deeper_dst) def accuracy(output, target, topk=(1,)): maxk = max(topk) batch_size = target.size(0) _, pred = output.topk(maxk, 1, True, True) pred = pred.t() correct = pred.eq(target.view(1, -1).expand_as(pred)) res = [] for k in topk: correct_k = correct[:k].view(-1).float().sum(0) res.append(correct_k.mul_(100.0 / batch_size)) # res.append(correct_k) return res class AverageMeter(object): """ Keeps track of most recent, average, sum, and count of a metric. """ def __init__(self): self.val = 0 self.avg = 0 self.sum = 0 self.count = 0 self.reset() def reset(self): self.val = 0 self.avg = 0 self.sum = 0 self.count = 0 def update(self, val, n=1): self.val = val self.sum += val * n self.count += n self.avg = self.sum / self.count def save_opts(opts, save_path='.'): with open(f"{save_path}/opts.txt", 'w') as f: for k, v in opts.items(): f.write(str(k) + ": " + str(v) + '\n') def save_checkpoint(state_dict, is_best, folder_name='.'): if not os.path.exists(folder_name): os.makedirs(folder_name) checkpoint_name = f"{folder_name}/checkpoint.pth.tar" torch.save(state_dict, checkpoint_name) if is_best: model_name = f"{folder_name}/best_model.pth.tar" copyfile(checkpoint_name, model_name) def fix_random(seed=0): random.seed(seed) np.random.seed(seed) torch.manual_seed(seed) torch.cuda.manual_seed(seed) torch.cuda.manual_seed_all(seed) torch.backends.cudnn.deterministic = True torch.backends.cudnn.benchmark = False return True def count_parameters_in_MB(model): return sum(np.prod(v.size()) for name, v in model.named_parameters()) / 1e6

py

Semi-Online-KD

Semi-Online-KD-master/utils/__init__.py

py

Simplified_DMC

Simplified_DMC-master/location_dmc.py

import argparse import os import torch from torch.utils.data import DataLoader from torch import optim import numpy as np from data.MUSIC_dataset import MUSIC_Dataset, MUSIC_AV_Classify from model.base_model import resnet18 from model.dmc_model import DMC_NET from sklearn import cluster, metrics import numpy as np from sklearn.preprocessing import normalize from torch import nn import torch.nn.functional as F import pickle def batch_organize(audio_data, posi_img_data, nega_img_data, posi_label, nega_label): batch_audio_data = torch.zeros(audio_data.shape[0] * 2, audio_data.shape[1], audio_data.shape[2], audio_data.shape[3]) batch_image_data = torch.zeros(posi_img_data.shape[0] * 2, posi_img_data.shape[1], posi_img_data.shape[2], posi_img_data.shape[3]) batch_labels = torch.zeros(audio_data.shape[0] * 2) class_labels = torch.zeros(audio_data.shape[0] * 2) for i in range(audio_data.shape[0]): batch_audio_data[i * 2, :] = audio_data[i, :] batch_audio_data[i * 2 + 1, :] = audio_data[i, :] batch_image_data[i * 2, :] = posi_img_data[i, :] batch_image_data[i * 2 + 1, :] = nega_img_data[i, :] batch_labels[i * 2] = 1 batch_labels[i * 2 + 1] = 0 class_labels[i * 2] = posi_label[i] class_labels[i * 2 + 1] = nega_label[i] return batch_audio_data, batch_image_data, batch_labels, class_labels def eva_metric2(predict, gt, pair_num=2): num = int(predict.shape[0]/pair_num) correct = 0 for i in range(num): pos = predict[pair_num*i] flag = True for j in range(pair_num-1): neg = predict[pair_num*i+j+1] if pos >= neg: flag = False if flag == True: correct += 1 return correct / num class ContrastiveLoss(nn.Module): """ Contrastive loss Takes embeddings of two samples and a target label == 1 if samples are from the same class and label == 0 otherwise """ def __init__(self, margin=5.): super(ContrastiveLoss, self).__init__() self.margin = margin self.eps = 1e-9 def forward(self, output, target, size_average=True): distances = output.pow(2).sum(1) # squared distances losses = 0.5 * (target.float() * distances + (1 + -1 * target).float() * F.relu(self.margin - (distances + self.eps).sqrt()).pow(2)) return losses.mean() if size_average else losses.sum() def location_model_train(model, data_loader, optimizer, criterion): model.train() accs = 0 count = 0 losses = 0 for i, data in enumerate(data_loader, 0): if i % 200 == 0: print('location batch:%d' % i) audio_data, posi_img_data, nega_img_data, posi_label, nega_label, _, _ = data audio_data, image_data, av_labels, class_labels = batch_organize(audio_data, posi_img_data, nega_img_data, posi_label, nega_label) audio_data, image_data, av_labels = audio_data.type(torch.FloatTensor).cuda(), \ image_data.type(torch.FloatTensor).cuda(), \ av_labels.type(torch.FloatTensor).cuda() optimizer.zero_grad() av_outputs, _, _ = model(image_data, audio_data) loss = criterion(av_outputs, av_labels) loss.backward() optimizer.step() losses += loss.detach().cpu().numpy() # acc = eva_metric2(av_outputs.detach().cpu().numpy(), av_labels.cpu().numpy()) # accs += acc count += 1 print('location loss is %.3f ' % (losses / count)) return accs / count def location_model_eva(model, data_loader): model.eval() accs = 0 num = len(data_loader.dataset) count = 0 results = {} with torch.no_grad(): for i, data in enumerate(data_loader, 0): audio_data, posi_img_data, nega_img_data, posi_label, nega_label, img_path, _ = data audio_data, image_data, av_labels, class_labels = batch_organize(audio_data, posi_img_data, nega_img_data, posi_label, nega_label) audio_data, image_data = audio_data.type(torch.FloatTensor).cuda(), image_data.type(torch.FloatTensor).cuda() av_outputs, av_maps, av_dists = model(image_data, audio_data) obj_localization = av_maps.detach().cpu().numpy() obj_localization = obj_localization[::2] av_dists = av_dists[::2] # accs += eva_metric2(av_outputs.detach().cpu().numpy(), av_labels.numpy()) count += 1 _, idx = torch.sort(av_dists, dim=1) idx = idx[:, 1].detach().cpu().numpy() for k in range(len(img_path)): results[img_path[k][:-4]] = obj_localization[k] pickle.dump(results, open('dmc.pkl', 'wb')) return accs / count def main(): parser = argparse.ArgumentParser(description='AID_PRETRAIN') parser.add_argument('--data_list_dir', type=str, default='./data/data_indicator/music/solo') parser.add_argument('--data_dir', type=str, default='/home/ruiq/Music/solo') parser.add_argument('--mode', type=str, default='train', help='train/val/test') parser.add_argument('--json_file', type=str,default='./data/MUSIC_label/MUSIC_solo_videos.json') parser.add_argument('--use_pretrain', type=int, default=0, help='whether to init from ckpt') parser.add_argument('--ckpt_file', type=str, default='location_net_009_0.665.pth', help='pretrained model name') parser.add_argument('--enable_img_augmentation', type=int, default=1, help='whether to augment input image') parser.add_argument('--enable_audio_augmentation', type=int, default=1, help='whether to augment input audio') parser.add_argument('--batch_size', type=int, default=32, help='training batch size') parser.add_argument('--learning_rate', type=float, default=1e-4, help='training batch size') parser.add_argument('--epoch', type=int, default=100, help='training epoch') parser.add_argument('--gpu_ids', type=str, default='[0,1,2,3]', help='USING GPU IDS e.g.\'[0,4]\'') parser.add_argument('--num_threads', type=int, default=4, help='number of threads') parser.add_argument('--seed', type=int, default=10) parser.add_argument('--evaluate', type=int, default=0, help='only evaluate or not') parser.add_argument('--v_cluster', type=int, default=2, help='number of visual cluster') parser.add_argument('--a_cluster', type=int, default=1, help='number of audio cluster') args = parser.parse_args() train_list_file = os.path.join(args.data_list_dir, 'solo_training_1.txt') val_list_file = os.path.join(args.data_list_dir, 'solo_validation.txt') test_list_file = os.path.join(args.data_list_dir, 'solo_testing.txt') train_dataset = MUSIC_Dataset(args.data_dir, train_list_file, args) val_dataset = MUSIC_Dataset(args.data_dir, val_list_file, args) test_dataset = MUSIC_Dataset(args.data_dir, test_list_file, args) train_dataloader = DataLoader(dataset=train_dataset, batch_size=args.batch_size, shuffle=True, num_workers=args.num_threads) val_dataloader = DataLoader(dataset=val_dataset, batch_size=args.batch_size, shuffle=False, num_workers=args.num_threads) test_dataloader = DataLoader(dataset=test_dataset, batch_size=args.batch_size, shuffle=False, num_workers=args.num_threads) # net setup visual_backbone = resnet18(modal='vision',pretrained=False) audio_backbone = resnet18(modal='audio') av_model = DMC_NET(visual_net=visual_backbone, audio_net=audio_backbone, v_cluster_num=args.v_cluster, a_cluster_num=args.a_cluster) if args.use_pretrain: PATH = args.ckpt_file state = torch.load(PATH) av_model.load_state_dict(state, strict=False) av_model_cuda = av_model.cuda() loss_func = ContrastiveLoss() optimizer = optim.Adam(params=av_model_cuda.parameters(), lr=args.learning_rate, betas=(0.9, 0.999), weight_decay=0.0001) if args.evaluate: eva_location_acc = location_model_eva(av_model_cuda, test_dataloader) return for e in range(0, args.epoch): print('Epoch is %03d' % e) train_location_acc = location_model_train(av_model_cuda, train_dataloader, optimizer, loss_func) eva_location_acc = location_model_eva(av_model_cuda, test_dataloader) print('train acc is %.3f, val acc is %.3f' % (train_location_acc, eva_location_acc)) if e % 3 == 0: PATH = 'ckpt/dmc/dmc_stage_one_%03d_%.3f.pth' % (e, eva_location_acc) torch.save(av_model_cuda.state_dict(), PATH) if __name__ == '__main__': main()

py

Simplified_DMC

Simplified_DMC-master/data/pair_video_audio.py

import os import pdb audio_dir = './MUSIC/solo/audio' video_dir = './MUSIC/solo/video' all_audios = os.listdir(audio_dir) audios = [ audio for audio in all_audios if audio.endswith('.flac')] all_videos = os.listdir(video_dir) videos = [video for video in all_videos if video.endswith('.mp4')] fid = open('solo_pairs.txt','w') for each in audios: video = each.replace('.flac', '.mp4') if video in videos: fid.write(each+' '+video+'\n') fid.close()

py

Simplified_DMC

Simplified_DMC-master/data/MUSIC_dataset.py

import numpy as np import librosa from PIL import Image, ImageEnhance import pickle import random import os import torchvision.transforms as transforms import json import torch def augment_image(image): if(random.random() < 0.5): image = image.transpose(Image.FLIP_LEFT_RIGHT) enhancer = ImageEnhance.Brightness(image) image = enhancer.enhance(random.random()*0.6 + 0.7) enhancer = ImageEnhance.Color(image) image = enhancer.enhance(random.random()*0.6 + 0.7) return image class MUSIC_Dataset(object): def __init__(self, data_root, data_list_file, opt): # self.root = root # root = '/mnt/scratch/hudi/MUSIC/solo' self.opt = opt self.audio_root = os.path.join(data_root, 'audio_frames') self.video_root = os.path.join(data_root, 'video_frames') with open(data_list_file,'r') as fid: pairs = [line.strip().split(' ') for line in fid.readlines()] self.sample_label= self._parse_csv(self.opt.json_file) self.audio_list = [] self.video_list = [] self.label_list = [] for each in pairs: audio = each[0] video = each[1] assert audio[:-5] == video[:-4] audio_path = os.path.join(self.audio_root, audio[:-5]) video_path = os.path.join(self.video_root, video[:-4]) audio_samples= os.listdir(audio_path) for item in range(len(audio_samples)): audio_segment = audio_samples[item] video_segment = os.path.join(video_path, 'frame_'+audio_segment[:3]) if os.path.exists(video_segment): self.audio_list.append(os.path.join(audio_path, audio_segment)) self.video_list.append(os.path.join(video_path, video_segment)) if self.opt.mode == 'val' or self.opt.mode == 'test': img_transform_list = [transforms.Resize((224,224)), transforms.ToTensor(), transforms.Normalize(mean=(0.485, 0.456, 0.406), std=(0.229, 0.224, 0.225))] else: img_transform_list = [transforms.Resize((256, 256)), transforms.RandomCrop(224), transforms.ToTensor(), transforms.Normalize(mean=(0.485, 0.456, 0.406), std=(0.229, 0.224, 0.225))] self.img_transform = transforms.Compose(img_transform_list) #self.audio_transform = audio_transform def __len__(self): return len(self.audio_list) def _parse_csv(self, json_file): f = open(json_file, encoding='utf-8') content = f.read() ins_indicator = json.loads(content) ins_indicator = ins_indicator['videos'] ins_list = [*ins_indicator] sample_label = {} pickle.dump(ins_list, open('keylist.pkl', 'wb')) for i in range(len(ins_list)): current_list = ins_indicator[ins_list[i]] for j in range(len(current_list)): sample_label[current_list[j]] = i return sample_label def __getitem__(self, index): # positive cur_audio_segment = self.audio_list[index] posi_video_segment = self.video_list[index] if self.opt.mode == 'train': posi_video_segment_img = random.choice(os.listdir(posi_video_segment)) else: posi_video_segment_img = os.listdir(posi_video_segment)[0] # load data with open(cur_audio_segment, 'rb') as fid: cur_audio_data = pickle.load(fid) cur_audio_data = np.expand_dims(cur_audio_data, 0) posi_img_path = os.path.join(posi_video_segment, posi_video_segment_img) posi_img = Image.open(posi_img_path) if(self.opt.enable_img_augmentation and self.opt.mode == 'train'): posi_img = augment_image(posi_img) posi_img = self.img_transform(posi_img) posi_label = self.sample_label[posi_video_segment[-28:-17]] # TODO: here may need normalization # negative while(1): nega_video_segment = random.choice(self.video_list) if nega_video_segment[-28:-17] != posi_video_segment[-28:-17]: break nega_video_segment_img = random.choice(os.listdir(nega_video_segment)) nega_img_path = os.path.join(nega_video_segment, nega_video_segment_img) nega_img = Image.open(nega_img_path) if(self.opt.enable_img_augmentation and self.opt.mode == 'train'): nega_img = augment_image(nega_img) nega_img = self.img_transform(nega_img) nega_label = self.sample_label[nega_video_segment[-28:-17]] if self.opt.mode == 'train': return cur_audio_data, posi_img, nega_img, posi_label, nega_label, posi_video_segment, cur_audio_segment return cur_audio_data, posi_img, nega_img, posi_label, nega_label, posi_img_path, cur_audio_segment class MUSIC_Dataset_(object): def __init__(self, data_root, data_list_file, opt): # self.root = root # root = '/mnt/scratch/hudi/MUSIC/solo' self.opt = opt if self.opt.mode == 'train': self.audio_root = '/home/yuxi/ruiq/AudioVisual/multiple-sound-source-localization/synthesize/train/audio' self.video_root = '/home/yuxi/ruiq/AudioVisual/multiple-sound-source-localization/synthesize/train/video' else: self.audio_root = '/home/yuxi/ruiq/AudioVisual/multiple-sound-source-localization/synthesize/test/audio' self.video_root = '/home/yuxi/ruiq/AudioVisual/multiple-sound-source-localization/synthesize/test/video' self.box_root = '/home/yuxi/ruiq/AudioVisual/multiple-sound-source-localization/synthesize/test/box' self.audio_list = os.listdir(self.audio_root) self.video_list = os.listdir(self.video_root) self.box_list = os.listdir(self.box_root) self.audio_list.sort() self.video_list.sort() self.box_list.sort() assert len(self.audio_list) == len(self.video_list) if self.opt.mode == 'val' or self.opt.mode == 'test': img_transform_list = [transforms.Resize((224,224)), transforms.ToTensor(), transforms.Normalize(mean=(0.485, 0.456, 0.406), std=(0.229, 0.224, 0.225))] else: img_transform_list = [transforms.Resize((256, 256)), transforms.RandomCrop(224), transforms.ToTensor(), transforms.Normalize(mean=(0.485, 0.456, 0.406), std=(0.229, 0.224, 0.225))] self.img_transform = transforms.Compose(img_transform_list) def __len__(self): return len(self.audio_list) def __getitem__(self, index): # positive cur_audio_segment = self.audio_list[index] posi_video_segment = self.video_list[index] if self.opt.mode == 'val': box_segment = self.box_list[index] # load data with open(os.path.join(self.audio_root, cur_audio_segment), 'rb') as fid: cur_audio_data = pickle.load(fid) cur_audio_data = np.expand_dims(cur_audio_data, 0) posi_img_path = os.path.join(self.video_root, posi_video_segment) posi_img = Image.open(posi_img_path) if(self.opt.enable_img_augmentation and self.opt.mode == 'train'): posi_img = augment_image(posi_img) posi_img = self.img_transform(posi_img) while(1): nega_video_segment = random.choice(self.video_list) if nega_video_segment != posi_video_segment: break nega_img_path = os.path.join(self.video_root, nega_video_segment) nega_img = Image.open(nega_img_path) if(self.opt.enable_img_augmentation and self.opt.mode == 'train'): nega_img = augment_image(nega_img) nega_img = self.img_transform(nega_img) if self.opt.mode == 'val': box = np.load(os.path.join(self.box_root, box_segment)) return cur_audio_data, posi_img, nega_img, torch.tensor(0), torch.tensor(0), torch.tensor(0), box return cur_audio_data, posi_img, nega_img, torch.tensor(0), torch.tensor(0), torch.tensor(0), torch.tensor(0) class MUSIC_AV_Classify(object): def __init__(self, video_dirs, aud_dirs, label, opt): self.opt = opt self.video_dirs = video_dirs self.aud_dirs = aud_dirs self.label = label if self.opt.mode == 'val' or self.opt.mode == 'test': img_transform_list = [transforms.Resize((224,224)), transforms.ToTensor(), transforms.Normalize(mean=(0.485, 0.456, 0.406), std=(0.229, 0.224, 0.225))] else: img_transform_list = [transforms.Resize((256, 256)), transforms.RandomCrop(224), transforms.ToTensor(), transforms.Normalize(mean=(0.485, 0.456, 0.406), std=(0.229, 0.224, 0.225))] self.img_transform = transforms.Compose(img_transform_list) def __len__(self): return len(self.video_dirs) def __getitem__(self, index): video_segment_img = random.choice(os.listdir(self.video_dirs[index])) img_path = os.path.join(self.video_dirs[index], video_segment_img) img = Image.open(img_path) if(self.opt.enable_img_augmentation and self.opt.mode == 'train'): img = augment_image(img) img_data = self.img_transform(img) with open(self.aud_dirs[index], 'rb') as fid: cur_audio_data = pickle.load(fid) audio_data = np.expand_dims(cur_audio_data, 0) if self.opt.mode == 'val' or self.opt.mode == 'test': return audio_data, img_data else: return audio_data, img_data, self.label[index]

py

Simplified_DMC

Simplified_DMC-master/data/base_sampler.py

import torch from torch.utils.data.sampler import Sampler Class BaseSampler(Sampler): def __init__(self): super(BaseSampler,self).__init__() def __len__(self): def __iter__(self):

py

Simplified_DMC

Simplified_DMC-master/data/cut_audios.py

import numpy as np import librosa import pickle import os import pdb with open('data_indicator/music/solo/solo_pairs.txt','r') as fid: audios = [line.strip().split(' ')[0] for line in fid.readlines()] audio_dir = './MUSIC/solo/audio' save_dir = './MUSIC/solo/audio_frames' #def audio_extract(wav_name, sr=22000): def audio_extract(wav_name, sr=16000): #pdb.set_trace() wav_file = os.path.join(audio_dir, wav_name) save_path = os.path.join(save_dir, wav_name[:-5]) if not os.path.exists(save_path): os.mkdir(save_path) wav, cur_sr = librosa.load(wav_file, sr=sr) if cur_sr !=sr: pdb.set_trace() secs = int(len(wav)/sr) print(secs) for i in range(secs): start = sr * i end = sr * (i+1) cur_wav = wav[start:end] #spec = librosa.core.stft(cur_wav, n_fft=0.01*sr, hop_length=0.005*sr, # window='hann', center=True, pad_mode='constant') spec = librosa.core.stft(cur_wav, n_fft=160, hop_length=80, window='hann', center=True, pad_mode='constant') #mel = librosa.feature.melspectrogram(S = np.abs(spec), sr=sr, n_mels=256, fmax=sr/2) mel = librosa.feature.melspectrogram(S = np.abs(spec), sr=sr, n_mels=64, fmax=sr/2) log_mel = librosa.core.power_to_db(mel) log_mel_T = log_mel.T.astype('float32') assert log_mel_T.shape == (201,64) #pdb.set_trace() save_name = os.path.join(save_path, '{:03d}.pkl'.format(i)) #print(save_name) with open(save_name, 'wb') as fid: pickle.dump(log_mel_T, fid) for audio in audios: print(audio) audio_extract(audio) #pdb.set_trace()

py

Simplified_DMC

Simplified_DMC-master/data/data_split.py

import os import json solo_videos = './MUSIC_label/MUSIC_solo_videos.json' solo_videos = json.load(open(solo_videos, 'r')) solo_videos = solo_videos['videos'] trains = [] vals = [] for _, item in solo_videos.items(): for i, vid in enumerate(item): if i < 5: vals.append(vid) else: trains.append(vid) videos = open('./data_indicator/music/solo/solo_pairs.txt', 'r') train_file = open('./data_indicator/music/solo/solo_training.txt', 'w') val_file = open('./data_indicator/music/solo/solo_validation.txt', 'w') while True: pair = videos.readline() if len(pair) == 0: break vid = pair.split(' ')[0][:-12] if vid in trains: train_file.write(pair) elif vid in vals: val_file.write(pair) videos.close() train_file.close() val_file.close()

py

Simplified_DMC

Simplified_DMC-master/data/__init__.py

py

Simplified_DMC

Simplified_DMC-master/data/cut_videos.py

import os import cv2 import pdb def video2frame(video_path, frame_save_path, frame_interval=1): vid = cv2.VideoCapture(video_path) fps = vid.get(cv2.CAP_PROP_FPS) #pdb.set_trace() success, image = vid.read() count = 0 while success: count +=1 if count % frame_interval == 0: #cv2.imencode('.png', image)[1].tofile(frame_save_path+'/fame_%d.png'%count) save_name = '{}/frame_{}_{}.jpg'.format(frame_save_path, int(count/fps),count) cv2.imencode('.jpg', image)[1].tofile(save_name) success, image = vid.read() print(count) def video2frame_update(video_path, frame_save_path, frame_kept_per_second=4): vid = cv2.VideoCapture(video_path) fps = vid.get(cv2.CAP_PROP_FPS) video_frames = vid.get(cv2.CAP_PROP_FRAME_COUNT) video_len = int(video_frames/fps) print(video_len) count = 0 frame_interval = int(fps/frame_kept_per_second) while(count < fps*video_len): ret, image = vid.read() if not ret: break if count % fps == 0: frame_id = 0 if frame_id<frame_interval*frame_kept_per_second and frame_id%frame_interval == 0: #cv2.imencode('.png', image)[1].tofile(frame_save_path+'/fame_%d.png'%count) save_dir = '{}/frame_{:03d}'.format(frame_save_path, int(count/fps)) if not os.path.exists(save_dir): os.mkdir(save_dir) save_name = '{}/frame_{:03d}/{:05d}.jpg'.format(frame_save_path, int(count/fps), count) cv2.imencode('.jpg', image)[1].tofile(save_name) frame_id += 1 count += 1 video_dir = './MUSIC/solo/video' #videos = os.listdir(video_dir) with open('data_indicator/music/solo/solo_pairs.txt','r') as fid: videos = [line.strip().split(' ')[1] for line in fid.readlines()] save_dir = './MUSIC/solo/video_frames' if not os.path.exists(save_dir): os.mkdir(save_dir) vid_count = 0 for each_video in videos: if not each_video.endswith('.mp4'): continue print(each_video) video_path = os.path.join(video_dir, each_video) save_path = os.path.join(save_dir, each_video[:-4]) if not os.path.exists(save_path): os.mkdir(save_path) video2frame_update(video_path, save_path, frame_kept_per_second=4) #pdb.set_trace() print('cut %d videos' % vid_count)

py

Simplified_DMC

Simplified_DMC-master/model/base_model.py

import torch import torch.nn as nn __all__ = ['ResNet', 'resnet18', 'resnet34', 'resnet50', 'resnet101', 'resnet152', 'resnext50_32x4d', 'resnext101_32x8d', 'wide_resnet50_2', 'wide_resnet101_2'] model_urls = { 'resnet18': 'https://download.pytorch.org/models/resnet18-5c106cde.pth', 'resnet34': 'https://download.pytorch.org/models/resnet34-333f7ec4.pth', 'resnet50': 'https://download.pytorch.org/models/resnet50-19c8e357.pth', 'resnet101': 'https://download.pytorch.org/models/resnet101-5d3b4d8f.pth', 'resnet152': 'https://download.pytorch.org/models/resnet152-b121ed2d.pth', 'resnext50_32x4d': 'https://download.pytorch.org/models/resnext50_32x4d-7cdf4587.pth', 'resnext101_32x8d': 'https://download.pytorch.org/models/resnext101_32x8d-8ba56ff5.pth', 'wide_resnet50_2': 'https://download.pytorch.org/models/wide_resnet50_2-95faca4d.pth', 'wide_resnet101_2': 'https://download.pytorch.org/models/wide_resnet101_2-32ee1156.pth', } def conv3x3(in_planes, out_planes, stride=1, groups=1, dilation=1): """3x3 convolution with padding""" return nn.Conv2d(in_planes, out_planes, kernel_size=3, stride=stride, padding=dilation, groups=groups, bias=False, dilation=dilation) def conv1x1(in_planes, out_planes, stride=1): """1x1 convolution""" return nn.Conv2d(in_planes, out_planes, kernel_size=1, stride=stride, bias=False) class BasicBlock(nn.Module): expansion = 1 def __init__(self, inplanes, planes, stride=1, downsample=None, groups=1, base_width=64, dilation=1, norm_layer=None): super(BasicBlock, self).__init__() if norm_layer is None: norm_layer = nn.BatchNorm2d if groups != 1 or base_width != 64: raise ValueError('BasicBlock only supports groups=1 and base_width=64') if dilation > 1: raise NotImplementedError("Dilation > 1 not supported in BasicBlock") # Both self.conv1 and self.downsample layers downsample the input when stride != 1 self.conv1 = conv3x3(inplanes, planes, stride) self.bn1 = norm_layer(planes) self.relu = nn.ReLU(inplace=True) self.conv2 = conv3x3(planes, planes) self.bn2 = norm_layer(planes) self.downsample = downsample self.stride = stride def forward(self, x): identity = x out = self.conv1(x) out = self.bn1(out) out = self.relu(out) out = self.conv2(out) out = self.bn2(out) if self.downsample is not None: identity = self.downsample(x) out += identity out = self.relu(out) return out class Bottleneck(nn.Module): expansion = 4 def __init__(self, inplanes, planes, stride=1, downsample=None, groups=1, base_width=64, dilation=1, norm_layer=None): super(Bottleneck, self).__init__() if norm_layer is None: norm_layer = nn.BatchNorm2d width = int(planes * (base_width / 64.)) * groups # Both self.conv2 and self.downsample layers downsample the input when stride != 1 self.conv1 = conv1x1(inplanes, width) self.bn1 = norm_layer(width) self.conv2 = conv3x3(width, width, stride, groups, dilation) self.bn2 = norm_layer(width) self.conv3 = conv1x1(width, planes * self.expansion) self.bn3 = norm_layer(planes * self.expansion) self.relu = nn.ReLU(inplace=True) self.downsample = downsample self.stride = stride def forward(self, x): identity = x out = self.conv1(x) out = self.bn1(out) out = self.relu(out) out = self.conv2(out) out = self.bn2(out) out = self.relu(out) out = self.conv3(out) out = self.bn3(out) if self.downsample is not None: identity = self.downsample(x) out += identity out = self.relu(out) return out class ResNet(nn.Module): def __init__(self, block, layers, modal, num_classes=1000, zero_init_residual=False, groups=1, width_per_group=64, replace_stride_with_dilation=None, norm_layer=None): super(ResNet, self).__init__() if norm_layer is None: norm_layer = nn.BatchNorm2d self._norm_layer = norm_layer self.inplanes = 64 self.dilation = 1 if replace_stride_with_dilation is None: # each element in the tuple indicates if we should replace # the 2x2 stride with a dilated convolution instead replace_stride_with_dilation = [False, False, False] if len(replace_stride_with_dilation) != 3: raise ValueError("replace_stride_with_dilation should be None " "or a 3-element tuple, got {}".format(replace_stride_with_dilation)) self.modal = modal self.groups = groups self.base_width = width_per_group self.conv1_a = nn.Conv2d(1, self.inplanes, kernel_size=7, stride=2, padding=3, bias=False) self.conv1 = nn.Conv2d(3, self.inplanes, kernel_size=7, stride=2, padding=3, bias=False) self.bn1 = norm_layer(self.inplanes) self.relu = nn.ReLU(inplace=True) self.maxpool = nn.MaxPool2d(kernel_size=3, stride=2, padding=1) self.layer1 = self._make_layer(block, 64, layers[0], stride=1) self.layer2 = self._make_layer(block, 128, layers[1], stride=2, dilate=replace_stride_with_dilation[0]) self.layer3 = self._make_layer(block, 256, layers[2], stride=2, dilate=replace_stride_with_dilation[1]) self.layer4 = self._make_layer(block, 512, layers[3], stride=1, dilate=replace_stride_with_dilation[2]) self.avgpool = nn.AdaptiveAvgPool2d((1, 1)) self.fc = nn.Linear(512 * block.expansion, num_classes) for m in self.modules(): if isinstance(m, nn.Conv2d): nn.init.kaiming_normal_(m.weight, mode='fan_out', nonlinearity='relu') elif isinstance(m, (nn.BatchNorm2d, nn.GroupNorm)): nn.init.constant_(m.weight, 1) nn.init.constant_(m.bias, 0) # Zero-initialize the last BN in each residual branch, # so that the residual branch starts with zeros, and each residual block behaves like an identity. # This improves the model by 0.2~0.3% according to https://arxiv.org/abs/1706.02677 if zero_init_residual: for m in self.modules(): if isinstance(m, Bottleneck): nn.init.constant_(m.bn3.weight, 0) elif isinstance(m, BasicBlock): nn.init.constant_(m.bn2.weight, 0) def _make_layer(self, block, planes, blocks, stride=1, dilate=False): norm_layer = self._norm_layer downsample = None previous_dilation = self.dilation if dilate: self.dilation *= stride stride = 1 if stride != 1 or self.inplanes != planes * block.expansion: downsample = nn.Sequential( conv1x1(self.inplanes, planes * block.expansion, stride), norm_layer(planes * block.expansion), ) layers = [] layers.append(block(self.inplanes, planes, stride, downsample, self.groups, self.base_width, previous_dilation, norm_layer)) self.inplanes = planes * block.expansion for _ in range(1, blocks): layers.append(block(self.inplanes, planes, groups=self.groups, base_width=self.base_width, dilation=self.dilation, norm_layer=norm_layer)) return nn.Sequential(*layers) def _forward_impl(self, x): # See note [TorchScript super()] if self.modal == 'audio': x = self.conv1_a(x) else: x = self.conv1(x) x = self.bn1(x) x = self.relu(x) x = self.maxpool(x) x = self.layer1(x) x = self.layer2(x) x = self.layer3(x) x = self.layer4(x) return x def forward(self, x): return self._forward_impl(x) def _resnet(arch, block, layers, pretrained, progress, modal, **kwargs): model = ResNet(block, layers, modal, **kwargs) if pretrained: print('load pretrained res-18') model.load_state_dict(torch.load('../resnet18-5c106cde.pth'), strict=False) return model def resnet18(pretrained=False, progress=True, modal='vision',**kwargs): r"""ResNet-18 model from `"Deep Residual Learning for Image Recognition" <https://arxiv.org/pdf/1512.03385.pdf>`_ Args: pretrained (bool): If True, returns a model pre-trained on ImageNet progress (bool): If True, displays a progress bar of the download to stderr """ return _resnet('resnet18', BasicBlock, [2, 2, 2, 2], pretrained, progress, modal, **kwargs)

py

Simplified_DMC

Simplified_DMC-master/model/audio_net.py

import torch import torch.nn as nn import torch.nn.functional as F class Unet(nn.Module): def __init__(self, fc_dim=64, num_downs=5, ngf=64, use_dropout=False): super(Unet, self).__init__() # construct unet structure unet_block = UnetBlock( ngf * 8, ngf * 8, input_nc=None, submodule=None, innermost=True) for i in range(num_downs - 5): unet_block = UnetBlock( ngf * 8, ngf * 8, input_nc=None, submodule=unet_block, use_dropout=use_dropout) unet_block = UnetBlock( ngf * 4, ngf * 8, input_nc=None, submodule=unet_block) unet_block = UnetBlock( ngf * 2, ngf * 4, input_nc=None, submodule=unet_block) unet_block = UnetBlock( ngf, ngf * 2, input_nc=None, submodule=unet_block) unet_block = UnetBlock( fc_dim, ngf, input_nc=1, submodule=unet_block, outermost=True) self.bn0 = nn.BatchNorm2d(1) self.unet_block = unet_block def forward(self, x): x = self.bn0(x) x = self.unet_block(x) return x # Defines the submodule with skip connection. # X -------------------identity---------------------- X # |-- downsampling -- |submodule| -- upsampling --| class UnetBlock(nn.Module): def __init__(self, outer_nc, inner_input_nc, input_nc=None, submodule=None, outermost=False, innermost=False, use_dropout=False, inner_output_nc=None, noskip=False): super(UnetBlock, self).__init__() self.outermost = outermost self.noskip = noskip use_bias = False if input_nc is None: input_nc = outer_nc if innermost: inner_output_nc = inner_input_nc elif inner_output_nc is None: inner_output_nc = 2 * inner_input_nc downrelu = nn.LeakyReLU(0.2, True) downnorm = nn.BatchNorm2d(inner_input_nc) uprelu = nn.ReLU(True) upnorm = nn.BatchNorm2d(outer_nc) upsample = nn.Upsample( scale_factor=2, mode='bilinear', align_corners=True) if outermost: downconv = nn.Conv2d( input_nc, inner_input_nc, kernel_size=4, stride=2, padding=1, bias=use_bias) upconv = nn.Conv2d( inner_output_nc, outer_nc, kernel_size=3, padding=1) down = [downconv] up = [uprelu, upsample, upconv] model = down + [submodule] + up elif innermost: downconv = nn.Conv2d( input_nc, inner_input_nc, kernel_size=4, stride=2, padding=1, bias=use_bias) upconv = nn.Conv2d( inner_output_nc, outer_nc, kernel_size=3, padding=1, bias=use_bias) down = [downrelu, downconv] up = [uprelu, upsample, upconv, upnorm] model = down + up else: downconv = nn.Conv2d( input_nc, inner_input_nc, kernel_size=4, stride=2, padding=1, bias=use_bias) upconv = nn.Conv2d( inner_output_nc, outer_nc, kernel_size=3, padding=1, bias=use_bias) down = [downrelu, downconv, downnorm] up = [uprelu, upsample, upconv, upnorm] if use_dropout: model = down + [submodule] + up + [nn.Dropout(0.5)] else: model = down + [submodule] + up self.model = nn.Sequential(*model) def forward(self, x): if self.outermost or self.noskip: return self.model(x) else: return torch.cat([x, self.model(x)], 1)

py

Simplified_DMC

Simplified_DMC-master/model/vision_net.py

import torch import torch.nn as nn import torch.nn.functional as F class Resnet(nn.Module): def __init__(self, original_resnet): super(Resnet, self).__init__() self.features = nn.Sequential( *list(original_resnet.children())[:-1]) # for param in self.features.parameters(): # param.requires_grad = False def forward(self, x): x = self.features(x) x = x.view(x.size(0), x.size(1)) return x class ResnetFC(nn.Module): def __init__(self, original_resnet, fc_dim=64, pool_type='maxpool', conv_size=3): super(ResnetFC, self).__init__() self.pool_type = pool_type self.features = nn.Sequential( *list(original_resnet.children())[:-2]) self.fc = nn.Conv2d( 512, fc_dim, kernel_size=conv_size, padding=conv_size//2) def forward(self, x, pool=True): x = self.features(x) x = self.fc(x) if not pool: return x if self.pool_type == 'avgpool': x = F.adaptive_avg_pool2d(x, 1) elif self.pool_type == 'maxpool': x = F.adaptive_max_pool2d(x, 1) x = x.view(x.size(0), x.size(1)) return x def forward_multiframe(self, x, pool=True): (B, C, T, H, W) = x.size() x = x.permute(0, 2, 1, 3, 4).contiguous() x = x.view(B*T, C, H, W) x = self.features(x) x = self.fc(x) (_, C, H, W) = x.size() x = x.view(B, T, C, H, W) x = x.permute(0, 2, 1, 3, 4) if not pool: return x if self.pool_type == 'avgpool': x = F.adaptive_avg_pool3d(x, 1) elif self.pool_type == 'maxpool': x = F.adaptive_max_pool3d(x, 1) x = x.view(B, C) return x class ResnetDilated(nn.Module): def __init__(self, orig_resnet, fc_dim=64, pool_type='maxpool', dilate_scale=16, conv_size=3): super(ResnetDilated, self).__init__() from functools import partial self.pool_type = pool_type if dilate_scale == 8: orig_resnet.layer3.apply( partial(self._nostride_dilate, dilate=2)) orig_resnet.layer4.apply( partial(self._nostride_dilate, dilate=4)) elif dilate_scale == 16: orig_resnet.layer4.apply( partial(self._nostride_dilate, dilate=2)) self.features = nn.Sequential( *list(orig_resnet.children())[:-2]) self.fc = nn.Conv2d( 512, fc_dim, kernel_size=conv_size, padding=conv_size//2) def _nostride_dilate(self, m, dilate): classname = m.__class__.__name__ if classname.find('Conv') != -1: # the convolution with stride if m.stride == (2, 2): m.stride = (1, 1) if m.kernel_size == (3, 3): m.dilation = (dilate//2, dilate//2) m.padding = (dilate//2, dilate//2) # other convoluions else: if m.kernel_size == (3, 3): m.dilation = (dilate, dilate) m.padding = (dilate, dilate) def forward(self, x, pool=True): x = self.features(x) x = self.fc(x) if not pool: return x if self.pool_type == 'avgpool': x = F.adaptive_avg_pool2d(x, 1) elif self.pool_type == 'maxpool': x = F.adaptive_max_pool2d(x, 1) x = x.view(x.size(0), x.size(1)) return x def forward_multiframe(self, x, pool=True): (B, C, T, H, W) = x.size() x = x.permute(0, 2, 1, 3, 4).contiguous() x = x.view(B*T, C, H, W) x = self.features(x) x = self.fc(x) (_, C, H, W) = x.size() x = x.view(B, T, C, H, W) x = x.permute(0, 2, 1, 3, 4) if not pool: return x if self.pool_type == 'avgpool': x = F.adaptive_avg_pool3d(x, 1) elif self.pool_type == 'maxpool': x = F.adaptive_max_pool3d(x, 1) x = x.view(B, C) return x

py

Simplified_DMC

Simplified_DMC-master/model/base_model_v1.py

import torch import torch.nn as nn __all__ = ['ResNet', 'resnet18', 'resnet34', 'resnet50', 'resnet101', 'resnet152', 'resnext50_32x4d', 'resnext101_32x8d', 'wide_resnet50_2', 'wide_resnet101_2'] model_urls = { 'resnet18': 'https://download.pytorch.org/models/resnet18-5c106cde.pth', 'resnet34': 'https://download.pytorch.org/models/resnet34-333f7ec4.pth', 'resnet50': 'https://download.pytorch.org/models/resnet50-19c8e357.pth', 'resnet101': 'https://download.pytorch.org/models/resnet101-5d3b4d8f.pth', 'resnet152': 'https://download.pytorch.org/models/resnet152-b121ed2d.pth', 'resnext50_32x4d': 'https://download.pytorch.org/models/resnext50_32x4d-7cdf4587.pth', 'resnext101_32x8d': 'https://download.pytorch.org/models/resnext101_32x8d-8ba56ff5.pth', 'wide_resnet50_2': 'https://download.pytorch.org/models/wide_resnet50_2-95faca4d.pth', 'wide_resnet101_2': 'https://download.pytorch.org/models/wide_resnet101_2-32ee1156.pth', } def conv3x3(in_planes, out_planes, stride=1, groups=1, dilation=1): """3x3 convolution with padding""" return nn.Conv2d(in_planes, out_planes, kernel_size=3, stride=stride, padding=dilation, groups=groups, bias=False, dilation=dilation) def conv1x1(in_planes, out_planes, stride=1): """1x1 convolution""" return nn.Conv2d(in_planes, out_planes, kernel_size=1, stride=stride, bias=False) class BasicBlock(nn.Module): expansion = 1 def __init__(self, inplanes, planes, stride=1, downsample=None, groups=1, base_width=64, dilation=1, norm_layer=None): super(BasicBlock, self).__init__() if norm_layer is None: norm_layer = nn.BatchNorm2d if groups != 1 or base_width != 64: raise ValueError('BasicBlock only supports groups=1 and base_width=64') if dilation > 1: raise NotImplementedError("Dilation > 1 not supported in BasicBlock") # Both self.conv1 and self.downsample layers downsample the input when stride != 1 self.conv1 = conv3x3(inplanes, planes, stride) self.bn1 = norm_layer(planes) self.relu = nn.ReLU(inplace=True) self.conv2 = conv3x3(planes, planes) self.bn2 = norm_layer(planes) self.downsample = downsample self.stride = stride def forward(self, x): identity = x out = self.conv1(x) out = self.bn1(out) out = self.relu(out) out = self.conv2(out) out = self.bn2(out) if self.downsample is not None: identity = self.downsample(x) out += identity out = self.relu(out) return out class Bottleneck(nn.Module): expansion = 4 def __init__(self, inplanes, planes, stride=1, downsample=None, groups=1, base_width=64, dilation=1, norm_layer=None): super(Bottleneck, self).__init__() if norm_layer is None: norm_layer = nn.BatchNorm2d width = int(planes * (base_width / 64.)) * groups # Both self.conv2 and self.downsample layers downsample the input when stride != 1 self.conv1 = conv1x1(inplanes, width) self.bn1 = norm_layer(width) self.conv2 = conv3x3(width, width, stride, groups, dilation) self.bn2 = norm_layer(width) self.conv3 = conv1x1(width, planes * self.expansion) self.bn3 = norm_layer(planes * self.expansion) self.relu = nn.ReLU(inplace=True) self.downsample = downsample self.stride = stride def forward(self, x): identity = x out = self.conv1(x) out = self.bn1(out) out = self.relu(out) out = self.conv2(out) out = self.bn2(out) out = self.relu(out) out = self.conv3(out) out = self.bn3(out) if self.downsample is not None: identity = self.downsample(x) out += identity out = self.relu(out) return out class ResNet(nn.Module): def __init__(self, block, layers, modal, num_classes=1000, zero_init_residual=False, groups=1, width_per_group=64, replace_stride_with_dilation=None, norm_layer=None): super(ResNet, self).__init__() if norm_layer is None: norm_layer = nn.BatchNorm2d self._norm_layer = norm_layer self.inplanes = 64 self.dilation = 1 if replace_stride_with_dilation is None: # each element in the tuple indicates if we should replace # the 2x2 stride with a dilated convolution instead replace_stride_with_dilation = [False, False, False] if len(replace_stride_with_dilation) != 3: raise ValueError("replace_stride_with_dilation should be None " "or a 3-element tuple, got {}".format(replace_stride_with_dilation)) self.modal = modal self.groups = groups self.base_width = width_per_group self.conv1_a = nn.Conv2d(1, self.inplanes, kernel_size=3, stride=2, padding=3, bias=False) self.conv1_v = nn.Conv2d(3, self.inplanes, kernel_size=3, stride=2, padding=3, bias=False) self.bn1 = norm_layer(self.inplanes) self.relu = nn.ReLU(inplace=True) self.maxpool = nn.MaxPool2d(kernel_size=3, stride=2, padding=1) self.layer1 = self._make_layer(block, 64, layers[0], stride=2) self.layer2 = self._make_layer(block, 128, layers[1], stride=2, dilate=replace_stride_with_dilation[0]) self.layer3 = self._make_layer(block, 256, layers[2], stride=1, dilate=replace_stride_with_dilation[1]) self.layer4 = self._make_layer(block, 512, layers[3], stride=1, dilate=replace_stride_with_dilation[2]) self.avgpool = nn.AdaptiveAvgPool2d((1, 1)) self.fc = nn.Linear(512 * block.expansion, num_classes) for m in self.modules(): if isinstance(m, nn.Conv2d): nn.init.kaiming_normal_(m.weight, mode='fan_out', nonlinearity='relu') elif isinstance(m, (nn.BatchNorm2d, nn.GroupNorm)): nn.init.constant_(m.weight, 1) nn.init.constant_(m.bias, 0) # Zero-initialize the last BN in each residual branch, # so that the residual branch starts with zeros, and each residual block behaves like an identity. # This improves the model by 0.2~0.3% according to https://arxiv.org/abs/1706.02677 if zero_init_residual: for m in self.modules(): if isinstance(m, Bottleneck): nn.init.constant_(m.bn3.weight, 0) elif isinstance(m, BasicBlock): nn.init.constant_(m.bn2.weight, 0) def _make_layer(self, block, planes, blocks, stride=1, dilate=False): norm_layer = self._norm_layer downsample = None previous_dilation = self.dilation if dilate: self.dilation *= stride stride = 1 if stride != 1 or self.inplanes != planes * block.expansion: downsample = nn.Sequential( conv1x1(self.inplanes, planes * block.expansion, stride), norm_layer(planes * block.expansion), ) layers = [] layers.append(block(self.inplanes, planes, stride, downsample, self.groups, self.base_width, previous_dilation, norm_layer)) self.inplanes = planes * block.expansion for _ in range(1, blocks): layers.append(block(self.inplanes, planes, groups=self.groups, base_width=self.base_width, dilation=self.dilation, norm_layer=norm_layer)) return nn.Sequential(*layers) def _forward_impl(self, x): # See note [TorchScript super()] if self.modal == 'audio': x = self.conv1_a(x) else: x = self.conv1_v(x) x = self.bn1(x) x = self.relu(x) x = self.maxpool(x) x = self.layer1(x) x = self.layer2(x) x = self.layer3(x) x = self.layer4(x) return x def forward(self, x): return self._forward_impl(x) def _resnet(arch, block, layers, pretrained, progress, modal, **kwargs): model = ResNet(block, layers, modal, **kwargs) return model def resnet18(pretrained=False, progress=True, modal='vision',**kwargs): r"""ResNet-18 model from `"Deep Residual Learning for Image Recognition" <https://arxiv.org/pdf/1512.03385.pdf>`_ Args: pretrained (bool): If True, returns a model pre-trained on ImageNet progress (bool): If True, displays a progress bar of the download to stderr """ return _resnet('resnet18', BasicBlock, [2, 2, 2, 2], pretrained, progress, modal, **kwargs)

py

Simplified_DMC

Simplified_DMC-master/model/dmc_model.py

import torch import torch.nn as nn import random class Cluster_layer(nn.Module): def __init__(self, input_dim = 512, num_cluster=2, iters=4, beta=-30, **kwargs): super(Cluster_layer, self).__init__() self.input_dim = input_dim self.num_cluster = num_cluster self.iters = iters self.beta = beta self.epsilon = torch.tensor(1e-10).type(torch.FloatTensor)#.cuda() def forward(self, u_vecs): (batch_size, input_num, feature_dim) = u_vecs.size() ini_interval = int(input_num/self.num_cluster) # o = torch.unsqueeze(u_vecs[:, 0, :], dim=1) count = 1 while(self.num_cluster-count > 0): current_o = torch.unsqueeze(u_vecs[:, ini_interval*count, :], dim=1) #ini_interval*count o = torch.cat([o, current_o], dim=1) count += 1 for i in range(self.iters): nx = torch.sum(o**2, dim=2, keepdim=True) ny = torch.sum(u_vecs**2, dim=2, keepdim=True) qq = nx - 2 * torch.bmm(o, u_vecs.permute(0,2,1)) + ny.permute(0,2,1) b = torch.sqrt(torch.max(qq, self.epsilon)) c = nn.functional.softmax(self.beta*b, dim=1) # assignments [None, output_num_capsule, input_num_capsule] o = torch.bmm(c, u_vecs) # cluster centers [None, num_cluster, dim_cluster] weights = torch.sum(c, dim=2, keepdim=True) o = o / weights return o, c class DMC_NET(nn.Module): def __init__(self, visual_net, audio_net, v_cluster_num = 4, a_cluster_num = 2): super(DMC_NET, self).__init__() # backbone net self.visual_net = visual_net self.audio_net = audio_net self.pooling = nn.AdaptiveAvgPool2d((1, 1)) # visual ops self.fc_v_1 = nn.Linear(512, 512) self.fc_v_2 = nn.Linear(128, 128) # audio ops self.pooling_a = nn.AdaptiveMaxPool2d((1, 1)) self.fc_a_1 = nn.Linear(512, 512) self.fc_a_2 = nn.Linear(128, 128) self.relu = nn.ReLU(inplace=True) # fusion ops self.fc_av = nn.Linear(1, 2) self.v_clustering = Cluster_layer(num_cluster=v_cluster_num) self.a_clustering = Cluster_layer(num_cluster=a_cluster_num) self.epsilon = torch.tensor(1e-10).type(torch.FloatTensor)#.cuda() def forward(self, v_input, a_input): # visual pathway v_fea = self.visual_net(v_input) (B, C, H, W) = v_fea.size() v_fea = v_fea.view(B, C, H*W) v_fea = v_fea.permute(0,2,1) v_fea = self.fc_v_1(v_fea) v_centers, v_assign = self.v_clustering(v_fea) # audio pathway a_fea = self.audio_net(a_input) (B, C, H, W) = a_fea.size() a_fea = a_fea.view(B, C, H*W) a_fea = a_fea.permute(0,2,1) a_fea = self.fc_a_1(a_fea) a_centers, a_assign = self.a_clustering(a_fea) v_centers_ = torch.sum(v_centers ** 2, dim=2, keepdim=True) a_centers_ = torch.sum(a_centers ** 2, dim=2, keepdim=True) distance_ = torch.sqrt(torch.max(v_centers_ - 2 * torch.bmm(v_centers, a_centers.permute(0, 2, 1)) + a_centers_.permute(0, 2, 1), self.epsilon)) distance = torch.min(distance_, dim=1) distance = distance.values return distance, v_assign, distance_

py

Simplified_DMC

Simplified_DMC-master/model/__init__.py

py

synfeal

synfeal-main/utils.py

import numpy as np import os import cv2 import torch import torch import math import yaml from sklearn.metrics import mean_squared_error from torchsummary import summary from yaml.loader import SafeLoader from colorama import Fore from scipy.spatial.transform import Rotation as R from models.loss_functions import BetaLoss, DynamicLoss from models.posenet import PoseNetGoogleNet, PoseNetResNet from models.poselstm import PoseLSTM from models.hourglass import HourglassBatch from synfeal_collection.src.pypcd_no_ros import PointCloud def write_pcd(filename, msg, mode='binary'): pc = PointCloud.from_msg(msg) pc.save_pcd(filename, compression=mode) def read_pcd(filename): if not os.path.isfile(filename): raise Exception("[read_pcd] File does not exist.") pc = PointCloud.from_path(filename) return pc def write_transformation(filename, transformation): np.savetxt(filename, transformation, delimiter=',',fmt='%.5f') def write_img(filename, img): cv2.imwrite(filename, img) def matrixToRodrigues(matrix): rods, _ = cv2.Rodrigues(matrix[0:3, 0:3]) rods = rods.transpose() rodrigues = rods[0] return rodrigues def matrixToQuaternion(matrix): rot_matrix = matrix[0:3, 0:3] r = R.from_matrix(rot_matrix) return r.as_quat() def matrixToXYZ(matrix): return matrix[0:3,3] def rodriguesToMatrix(r): rod = np.array(r, dtype=np.float) matrix = cv2.Rodrigues(rod) return matrix[0] def quaternionToMatrix(quat): return R.from_quat(quat).as_matrix() def poseToMatrix(pose): matrix = np.zeros((4,4)) rot_mat = quaternionToMatrix(pose[3:]) trans = pose[:3] matrix[0:3,0:3] = rot_mat matrix[0:3,3] = trans matrix[3,3] = 1 return matrix def write_intrinsic(filename, data): matrix = np.zeros((3,3)) matrix[0,0] = data[0] matrix[0,1] = data[1] matrix[0,2] = data[2] matrix[1,0] = data[3] matrix[1,1] = data[4] matrix[1,2] = data[5] matrix[2,0] = data[6] matrix[2,1] = data[7] matrix[2,2] = data[8] np.savetxt(filename, matrix, delimiter=',',fmt='%.5f') def rotationAndpositionToMatrix44(rotation, position): matrix44 = np.empty(shape=(4,4)) matrix44[:3,:3] = rotation matrix44[:3,3] = position matrix44[3,:3] = 0 matrix44[3,3] = 1 return matrix44 def matrix44_to_pose(matrix44): quaternion = matrixToQuaternion(matrix44) quaternion = normalize_quat(quaternion) xyz = matrixToXYZ(matrix44) pose = np.append(xyz, quaternion) return pose def compute_position_error(pred, targ): pred = pred[:3] targ = targ[:3] return mean_squared_error(pred, targ, squared=False) # RMSE def compute_rotation_error(pred, targ): ## second way: using rodrigues (like ATOM) --> better because angle ranges from 0 to pi (whereas with quaterions ranges from 0 to 2pi) ## https://github.com/lardemua/atom/blob/284b7943e467e53a3258de6f673cf852b07654cb/atom_evaluation/scripts/camera_to_camera_evalutation.py#L290 pred_matrix = poseToMatrix(pred) targ_matrix = poseToMatrix(targ) delta = np.dot(np.linalg.inv(pred_matrix), targ_matrix) deltaR = matrixToRodrigues(delta[0:3, 0:3]) return np.linalg.norm(deltaR) def normalize_quat(x, p=2, dim=1): """ Divides a tensor along a certain dim by the Lp norm :param x: :param p: Lp norm :param dim: Dimension to normalize along :return: """ if torch.is_tensor(x): # x.shape = (N,4) xn = x.norm(p=p, dim=dim) # computes the norm: 1xN x = x / xn.unsqueeze(dim=dim) else: # numpy xn = np.linalg.norm(x) x = x/xn return x def summarizeModel(model, input_example): model.cuda() summary(model, input_size=input_example.shape) model.cpu() def resumeTraining(folder_name): model_name = [f for f in os.listdir(folder_name) if f.endswith('.pth')][0] # get first in the list of files that have extension .pth file_name = f'{folder_name}/config.yaml' with open(file_name) as f: config = yaml.load(f, Loader=SafeLoader) model = eval(config['init_model']) model.load_state_dict(torch.load(f'{folder_name}/{model_name}')) start_epoch = config['epoch'] train_losses = config['train_losses'] test_losses = config['test_losses'] print(f'{Fore.BLUE} Resuming training of model from epoch: {start_epoch} {Fore.RESET}') return start_epoch, train_losses, test_losses, model def process_pose(pose): quat_unit = normalize_quat(pose[:,3:]) return torch.cat((pose[:,:3], quat_unit), dim=1) def projectToCamera(intrinsic_matrix, distortion, width, height, pts): """ Projects a list of points to the camera defined transform, intrinsics and distortion :param intrinsic_matrix: 3x3 intrinsic camera matrix :param distortion: should be as follows: (k_1, k_2, p_1, p_2[, k_3[, k_4, k_5, k_6]]) :param width: the image width :param height: the image height :param pts: a list of point coordinates (in the camera frame) with the following format: np array 4xn or 3xn :return: a list of pixel coordinates with the same length as pts """ _, n_pts = pts.shape # Project the 3D points in the camera's frame to image pixels # From https://docs.opencv.org/2.4/modules/calib3d/doc/camera_calibration_and_3d_reconstruction.html pixs = np.zeros((2, n_pts), dtype=np.float) k1, k2, p1, p2, k3 = distortion # fx, _, cx, _, fy, cy, _, _, _ = intrinsic_matrix # print('intrinsic=\n' + str(intrinsic_matrix)) fx = intrinsic_matrix[0, 0] fy = intrinsic_matrix[1, 1] cx = intrinsic_matrix[0, 2] cy = intrinsic_matrix[1, 2] x = pts[0, :] y = pts[1, :] z = pts[2, :] dists = np.linalg.norm(pts[0:3, :], axis=0) # compute distances from point to camera xl = np.divide(x, z) # compute homogeneous coordinates yl = np.divide(y, z) # compute homogeneous coordinates r2 = xl ** 2 + yl ** 2 # r square (used multiple times bellow) xll = xl * (1 + k1 * r2 + k2 * r2 ** 2 + k3 * r2 ** 3) + 2 * p1 * xl * yl + p2 * (r2 + 2 * xl ** 2) yll = yl * (1 + k1 * r2 + k2 * r2 ** 2 + k3 * r2 ** 3) + p1 * (r2 + 2 * yl ** 2) + 2 * p2 * xl * yl pixs[0, :] = fx * xll + cx pixs[1, :] = fy * yll + cy # Compute mask of valid projections valid_z = z > 0 valid_xpix = np.logical_and(pixs[0, :] >= 0, pixs[0, :] < width) valid_ypix = np.logical_and(pixs[1, :] >= 0, pixs[1, :] < height) valid_pixs = np.logical_and(valid_z, np.logical_and(valid_xpix, valid_ypix)) return pixs, valid_pixs, dists def synthesize_pose(pose1, pose2): """ synthesize pose between pose1 and pose2 pose1: 4x4 pose2: 4x4 """ pos1 = pose1[:3,3] rot1 = pose1[:3,:3] pos2 = pose2[:3,3] rot2 = pose2[:3,:3] # rot3x3 to euler angles rot1_euler = R.from_matrix(rot1).as_euler('xyz', degrees=False) rot2_euler = R.from_matrix(rot2).as_euler('xyz', degrees=False) pos3 = (pos1 + pos2) / 2 rot3_euler = (rot1_euler + rot2_euler) / 2 rot3 = R.from_euler('xyz', rot3_euler, degrees=False).as_matrix() pose3 = np.zeros(shape=(4,4)) pose3[:3,:3] = rot3 pose3[:3,3] = pos3 pose3[-1,-1] = 1 return pose3 def applyNoise(matrix44, pos_error, rot_error): xyz = matrixToXYZ(matrix44) euler = R.from_quat(matrixToQuaternion(matrix44)).as_euler('xyz', 'degrees') # adapted from ATOM v = np.random.uniform(-1.0, 1.0, 3) v = v / np.linalg.norm(v) new_xyz = xyz + v * (pos_error*math.sqrt(3)) v = np.random.choice([-1.0, 1.0], 3) * (rot_error/math.sqrt(3)) new_euler = euler + v rotation_angles = R.from_euler('xyz', new_euler, degrees=True).as_matrix() new_matrix44 = rotationAndpositionToMatrix44(rotation=rotation_angles, position=new_xyz) return new_matrix44

py

synfeal

synfeal-main/dataset.py

import cv2 import torch.utils.data as data import numpy as np import torch import os import yaml from PIL import Image from yaml.loader import SafeLoader from utils import read_pcd, matrixToXYZ, matrixToQuaternion, normalize_quat # pytorch datasets: https://pytorch.org/tutorials/beginner/basics/data_tutorial.html class Dataset(data.Dataset): def __init__(self, path_seq, rgb_transform = None, depth_transform = None, inputs = None): self.root = f'{os.environ.get("SYNFEAL_DATASET")}/datasets/localbot' self.seq = path_seq self.path_seq = f'{self.root}/{path_seq}' self.rgb_transform = rgb_transform self.depth_transform = depth_transform if inputs == None: self.inputs = ['point_cloud', 'depth_image', 'rgb_image'] else: self.inputs = inputs config = self.getConfig() if 'statistics' in config: self.depth_mean = config['statistics']['D']['mean'] self.depth_std = config['statistics']['D']['std'] def __getitem__(self, index): output = [] if 'point_cloud' in self.inputs: # load point cloud pc_raw = read_pcd(f'{self.path_seq}/frame-{index:05d}.pcd') point_set = np.vstack([pc_raw.pc_data['x'], pc_raw.pc_data['y'], pc_raw.pc_data['z']]).T # stays NX3 point_set = torch.from_numpy(point_set.astype(np.float32)) output.append(point_set) if 'depth_image' in self.inputs: # load depth image depth_image = cv2.imread(f'{self.path_seq}/frame-{index:05d}.depth.png', cv2.IMREAD_UNCHANGED) depth_image = depth_image.astype(np.float32) / 1000.0 # to meters depth_image = Image.fromarray(depth_image) if self.depth_transform!=None: depth_image = self.depth_transform(depth_image) output.append(depth_image) if 'rgb_image' in self.inputs: # TODO: change this to the correct dataset rgb_image = Image.open(f'{self.path_seq}/frame-{index:05d}.rgb.png') if self.rgb_transform != None: rgb_image = self.rgb_transform(rgb_image) output.append(rgb_image) # load pose matrix = np.loadtxt(f'{self.path_seq}/frame-{index:05d}.pose.txt', delimiter=',') quaternion = matrixToQuaternion(matrix) quaternion = normalize_quat(quaternion) xyz = matrixToXYZ(matrix) pose = np.append(xyz, quaternion) pose = torch.from_numpy(pose.astype(np.float32)) output.append(pose) return tuple(output) def __len__(self): return sum(f.endswith('pose.txt') for f in os.listdir(self.path_seq)) def getConfig(self): with open(f'{self.path_seq}/config.yaml') as f: config = yaml.load(f, Loader=SafeLoader) return config def setConfig(self, config): with open(f'{self.path_seq}/config.yaml', 'w') as f: yaml.dump(config, f) # config_stats = Dataset('seq5',depth_transform=None ,rgb_transform=None, inputs=['depth_image']).getConfig()['statistics'] # rgb_mean = [config_stats['R']['mean'], config_stats['G']['mean'], config_stats['B']['mean']] # rgb_std = [config_stats['R']['std'], config_stats['G']['std'], config_stats['B']['std']] # depth_mean = config_stats['D']['mean'] # depth_std = config_stats['D']['std'] # print(depth_mean) # depth_transform_train = transforms.Compose([ # transforms.Resize(300), # transforms.CenterCrop(299), # transforms.ToTensor(), # transforms.Normalize(mean=(depth_mean,), std=(depth_std,)) # ]) # rgb_transform_train = transforms.Compose([ # transforms.Resize(300), # transforms.RandomCrop(299), # transforms.ToTensor(), # transforms.Normalize(rgb_mean, rgb_std) # ]) # rgb_transform_test = transforms.Compose([ # transforms.Resize(300), # transforms.CenterCrop(299), # transforms.ToTensor(), # transforms.Normalize(rgb_mean, rgb_std) # ]) # dataset = Dataset('seq6',depth_transform=depth_transform_train ,rgb_transform=rgb_transform_train, inputs=['depth_image', 'rgb_image']) # for i in range(100,110): # print(f'depth size: {dataset[i][0].shape}') # print(f'rgb size: {dataset[i][1].shape}') # print(f'depth mean: {np.mean(dataset[i][0].numpy())}') # print(f'rgb mean: {np.mean(dataset[i][1].numpy())}')

py

synfeal

synfeal-main/utils_ros.py

import copy import math import tf import rospy import os from geometry_msgs.msg import Pose, Point from visualization_msgs.msg import * from std_msgs.msg import Header, ColorRGBA from synfeal_collection.src.pypcd import PointCloud def write_pcd(filename, msg, mode='binary'): pc = PointCloud.from_msg(msg) pc.save_pcd(filename, compression=mode) def read_pcd(filename): if not os.path.isfile(filename): raise Exception("[read_pcd] File does not exist.") pc = PointCloud.from_path(filename) return pc def data2pose(data): if type(data) is str: data = list(data) lst_data = [i for i in data if i!=','] # remove ',' data = {'x' : lst_data[0], 'y' : lst_data[1], 'z' : lst_data[2], 'rx' : lst_data[3], 'ry' : lst_data[4], 'rz' : lst_data[5]} quaternion = tf.transformations.quaternion_from_euler(data['rx'], data['ry'], data['rz']) #quaternion = R.from_euler('xyz',[[data['rx'], data['ry'], data['rz']]], degrees=False).as_quat() p = Pose() p.position.x = data['x'] p.position.y = data['y'] p.position.z = data['z'] p.orientation.x = quaternion[0] p.orientation.y = quaternion[1] p.orientation.z = quaternion[2] p.orientation.w = quaternion[3] return p def createArrowMarker(pose, color): pose_marker = copy.deepcopy(pose) matrix_quaternion_marker = pose_marker[3:] #matrix_quaternion_marker = R.from_quat(pose_marker[3:]).as_matrix() # rotate_y90 = R.from_euler('y', -90, degrees=True).as_matrix() # matrix_quaternion_marker = np.dot( # matrix_quaternion_marker, rotate_y90) # quaternion_marker = R.from_matrix( # matrix_quaternion_marker).as_quat() marker = Marker(header=Header( frame_id="world", stamp=rospy.Time.now())) marker.type = marker.ARROW marker.action = marker.ADD marker.scale.x = 0.3 marker.scale.y = 0.05 marker.scale.z = 0.05 marker.color.a = color[-1] marker.color.r = color[0] marker.color.g = color[1] marker.color.b = color[2] marker.pose.orientation.x = matrix_quaternion_marker[0] marker.pose.orientation.y = matrix_quaternion_marker[1] marker.pose.orientation.z = matrix_quaternion_marker[2] marker.pose.orientation.w = matrix_quaternion_marker[3] marker.pose.position.x = pose[0] marker.pose.position.y = pose[1] marker.pose.position.z = pose[2] marker.ns = 'final_pose' marker.id = 1 return marker def getFrustumMarkerArray(w, h, f_x, f_y, Z_near, Z_far, frame_id, ns, color, alpha=0.9, thickness=0.005, lifetime=False): # big help from https: // github.com/ros-visualization/rviz/issues/925 marker_array = MarkerArray() # ------------------------------------ # Define view frustum points # ------------------------------------ fov_x = 2 * math.atan2(w, (2 * f_x)) fov_y = 2 * math.atan2(h, (2 * f_y)) x_n = math.tan(fov_x / 2) * Z_near y_n = math.tan(fov_y / 2) * Z_near x_f = math.tan(fov_x / 2) * Z_far y_f = math.tan(fov_y / 2) * Z_far points = [Point(-x_n, y_n, Z_near), Point(x_n, y_n, Z_near), Point(x_n, -y_n, Z_near), Point(-x_n, -y_n, Z_near), Point(-x_f, y_f, Z_far), Point(x_f, y_f, Z_far), Point(x_f, -y_f, Z_far), Point(-x_f, -y_f, Z_far)] # ------------------------------------ # Define wireframe # ------------------------------------ color_rviz = ColorRGBA(r=color[0]/2, g=color[1]/2, b=color[2]/2, a=1.0) marker = Marker(ns=ns+'_wireframe', type=Marker.LINE_LIST, action=Marker.ADD, header=Header(frame_id=frame_id), color=color_rviz) if lifetime: marker.lifetime=rospy.Duration(0) marker.scale.x = thickness # line width marker.pose.orientation.w = 1.0 # marker line points marker.points.append(points[0]) marker.points.append(points[1]) marker.points.append(points[1]) marker.points.append(points[2]) marker.points.append(points[2]) marker.points.append(points[3]) marker.points.append(points[3]) marker.points.append(points[0]) marker.points.append(points[0]) marker.points.append(points[4]) marker.points.append(points[1]) marker.points.append(points[5]) marker.points.append(points[2]) marker.points.append(points[6]) marker.points.append(points[3]) marker.points.append(points[7]) marker.points.append(points[4]) marker.points.append(points[5]) marker.points.append(points[5]) marker.points.append(points[6]) marker.points.append(points[6]) marker.points.append(points[7]) marker.points.append(points[7]) marker.points.append(points[4]) marker_array.markers.append(copy.deepcopy(marker)) # ------------------------------------ # Define filled # ------------------------------------ color_rviz = ColorRGBA(r=color[0], g=color[1], b=color[2], a=alpha) marker = Marker(ns=ns+'_filled', type=Marker.TRIANGLE_LIST, action=Marker.ADD, header=Header(frame_id=frame_id), color=color_rviz) if lifetime: marker.lifetime=rospy.Duration(0) marker.scale.x = 1 # line width marker.scale.y = 1 # line width marker.scale.z = 1 # line width marker.pose.orientation.w = 1.0 # marker triangles of the lateral face of the frustum pyramid marker.points.append(points[1]) marker.points.append(points[2]) marker.points.append(points[6]) marker.colors.append(color_rviz) marker.colors.append(color_rviz) marker.colors.append(color_rviz) marker.points.append(points[1]) marker.points.append(points[6]) marker.points.append(points[5]) marker.colors.append(color_rviz) marker.colors.append(color_rviz) marker.colors.append(color_rviz) marker.points.append(points[0]) marker.points.append(points[4]) marker.points.append(points[3]) marker.colors.append(color_rviz) marker.colors.append(color_rviz) marker.colors.append(color_rviz) marker.points.append(points[3]) marker.points.append(points[4]) marker.points.append(points[7]) marker.colors.append(color_rviz) marker.colors.append(color_rviz) marker.colors.append(color_rviz) marker.points.append(points[0]) marker.points.append(points[1]) marker.points.append(points[5]) marker.colors.append(color_rviz) marker.colors.append(color_rviz) marker.colors.append(color_rviz) marker.points.append(points[0]) marker.points.append(points[4]) marker.points.append(points[5]) marker.colors.append(color_rviz) marker.colors.append(color_rviz) marker.colors.append(color_rviz) marker.points.append(points[3]) marker.points.append(points[2]) marker.points.append(points[6]) marker.colors.append(color_rviz) marker.colors.append(color_rviz) marker.colors.append(color_rviz) marker.points.append(points[3]) marker.points.append(points[6]) marker.points.append(points[7]) marker.colors.append(color_rviz) marker.colors.append(color_rviz) marker.colors.append(color_rviz) marker_array.markers.append(copy.deepcopy(marker)) return marker_array

py

synfeal

synfeal-main/deprecated/raycast_example.py

#!/usr/bin/env python3 # stdlib import sys import argparse # 3rd-party import trimesh import numpy as np import time def main(): # parser = argparse.ArgumentParser(description='Data Collector') # parser.add_argument('-m', '--mode', type=str, default='interactive', # help='interactive/automatic_random_path/automatic_path') #mesh = trimesh.creation.icosphere() #mesh = trimesh.exchange.dae.load_collada('/home/danc/models_3d/santuario_collision/Virtudes_Chapel.dae') start_time = time.time() mesh = trimesh.load('/home/danc/models_3d/santuario_collision/Virtudes_Chapel.dae', force='mesh') p1 = np.array([0,0,0]) p2 = np.array([4,0,0]) dp1p2 = np.linalg.norm(p2-p1) ori = p2 - p1 norm_ori = np.linalg.norm(ori) ori = ori / norm_ori # create some rays #ray_origins = np.array([[0, 0, 0]]) #ray_directions = np.array([[0, 1, 0]]) ray_origins = np.array([p1]) ray_directions = np.array([ori]) # check out the docstring for intersects_location queries print(mesh.ray.intersects_location.__doc__) locations, index_ray, index_tri = mesh.ray.intersects_location( ray_origins=ray_origins, ray_directions=ray_directions) print('The rays hit the mesh at coordinates:\n', locations) print(time.time() - start_time) # get the first intersection dists_to_p1 = [] for dist in locations: dists_to_p1.append(np.linalg.norm(dist - p1)) print(dists_to_p1) closest_collision = min(dists_to_p1) print(closest_collision) print(dp1p2) if closest_collision < dp1p2: print('COLISSION') else: print('SAFE') # compare the first intersection with p2 (in terms of distances) if __name__ == "__main__": main()

py

synfeal

synfeal-main/deprecated/rotation_to_direction.py

#!/usr/bin/env python3 from scipy.spatial.transform import Rotation as R #rotate_y90 = R.from_euler('y', 90, degrees=True).as_matrix() rotate_y90 = R.from_euler('x', 40, degrees=True).as_quat() matrix = R.from_quat(rotate_y90).as_matrix() print(matrix) print(matrix[:,0])

py

synfeal

synfeal-main/synfeal_collection/src/automatic_data_collection.py

#!/usr/bin/env python3 # stdlib import random import os from xml.parsers.expat import model # 3rd-party import rospy import tf import numpy as np import trimesh from geometry_msgs.msg import Pose #from interactive_markers.interactive_marker_server import * #from interactive_markers.menu_handler import * from visualization_msgs.msg import * from gazebo_msgs.srv import SetModelState, GetModelState, SetModelStateRequest from colorama import Fore from scipy.spatial.transform import Rotation as R from synfeal_collection.src.save_dataset import SaveDataset from utils import * from utils_ros import * class AutomaticDataCollection(): def __init__(self, model_name, seq, dbf=None, uvl=None, model3d_config=None, fast=None, save_dataset=True, mode=None): self.set_state_service = rospy.ServiceProxy( '/gazebo/set_model_state', SetModelState) self.model_name = model_name # model_name = 'localbot' self.dbf = dbf rospy.wait_for_service('/gazebo/get_model_state') self.get_model_state_service = rospy.ServiceProxy( '/gazebo/get_model_state', GetModelState) # create instance to save dataset if save_dataset: self.save_dataset = SaveDataset( f'{seq}', mode=mode, dbf=dbf, uvl=uvl, model3d_config=model3d_config, fast=fast) name_model3d_config = model3d_config['name'].split('.')[0] print(name_model3d_config) # define minimum and maximum boundaries self.x_min = model3d_config['volume']['position']['xmin'] self.x_max = model3d_config['volume']['position']['xmax'] self.y_min = model3d_config['volume']['position']['ymin'] self.y_max = model3d_config['volume']['position']['ymax'] self.z_min = model3d_config['volume']['position']['zmin'] self.z_max = model3d_config['volume']['position']['zmax'] self.rx_min = model3d_config['volume']['angles']['rxmin'] self.rx_max = model3d_config['volume']['angles']['rxmax'] self.ry_min = model3d_config['volume']['angles']['rymin'] self.ry_max = model3d_config['volume']['angles']['rymax'] self.rz_min = model3d_config['volume']['angles']['rzmin'] self.rz_max = model3d_config['volume']['angles']['rzmax'] # define minimum and maximum light self.att_min = model3d_config['light']['att_min'] self.att_max = model3d_config['light']['att_max'] self.att_initial = model3d_config['light']['att_initial'] self.light_names = model3d_config['light']['light_names'] self.use_collision = model3d_config['collision']['use'] self.min_cam_dist = model3d_config['collision']['min_camera_distance'] if self.use_collision: path=os.environ.get("SYNFEAL_DATASET") self.mesh_collision = trimesh.load( f'{path}/models_3d/localbot/{name_model3d_config}/{name_model3d_config}_collision.dae', force='mesh') else: self.mesh_collision = False # set initial pose print('setting initial pose...') x = model3d_config['initial_pose']['x'] y = model3d_config['initial_pose']['y'] z = model3d_config['initial_pose']['z'] rx = model3d_config['initial_pose']['rx'] ry = model3d_config['initial_pose']['ry'] rz = model3d_config['initial_pose']['rz'] quaternion = tf.transformations.quaternion_from_euler(rx, ry, rz) p = Pose() p.position.x = x p.position.y = y p.position.z = z p.orientation.x = quaternion[0] p.orientation.y = quaternion[1] p.orientation.z = quaternion[2] p.orientation.w = quaternion[3] self.setPose(p) rospy.sleep(1) def generateRandomPose(self): x = random.uniform(self.x_min, self.x_max) y = random.uniform(self.y_min, self.y_max) z = random.uniform(self.z_min, self.z_max) rx = random.uniform(self.rx_min, self.rx_max) ry = random.uniform(self.ry_min, self.ry_max) rz = random.uniform(self.rz_min, self.rz_max) quaternion = tf.transformations.quaternion_from_euler(rx, ry, rz) p = Pose() p.position.x = x p.position.y = y p.position.z = z p.orientation.x = quaternion[0] p.orientation.y = quaternion[1] p.orientation.z = quaternion[2] p.orientation.w = quaternion[3] return p def generatePath(self, final_pose=None): initial_pose = self.getPose().pose if final_pose == None: final_pose = self.generateRandomPose() while True: xyz_initial = np.array( [initial_pose.position.x, initial_pose.position.y, initial_pose.position.z]) xyz_final = np.array( [final_pose.position.x, final_pose.position.y, final_pose.position.z]) l2_dst = np.linalg.norm(xyz_final - xyz_initial) # if final pose is close to the initial or there is collision, choose another final pose if l2_dst < 1.5 or self.checkCollision(initial_pose=initial_pose, final_pose=final_pose): final_pose = self.generateRandomPose() else: break # compute n_steps based on l2_dist n_steps = int(l2_dst / self.dbf) print('using n_steps of: ', n_steps) step_poses = [] # list of tuples rx, ry, rz = tf.transformations.euler_from_quaternion( [initial_pose.orientation.x, initial_pose.orientation.y, initial_pose.orientation.z, initial_pose.orientation.w]) pose_initial_dct = {'x': initial_pose.position.x, 'y': initial_pose.position.y, 'z': initial_pose.position.z, 'rx': rx, 'ry': ry, 'rz': rz} rx, ry, rz = tf.transformations.euler_from_quaternion( [final_pose.orientation.x, final_pose.orientation.y, final_pose.orientation.z, final_pose.orientation.w]) pose_final_dct = {'x': final_pose.position.x, 'y': final_pose.position.y, 'z': final_pose.position.z, 'rx': rx, 'ry': ry, 'rz': rz} x_step_var = (pose_final_dct['x'] - pose_initial_dct['x']) / n_steps y_step_var = (pose_final_dct['y'] - pose_initial_dct['y']) / n_steps z_step_var = (pose_final_dct['z'] - pose_initial_dct['z']) / n_steps rx_step_var = (pose_final_dct['rx'] - pose_initial_dct['rx']) / n_steps ry_step_var = (pose_final_dct['ry'] - pose_initial_dct['ry']) / n_steps rz_step_var = (pose_final_dct['rz'] - pose_initial_dct['rz']) / n_steps for i in range(n_steps): dct = {'x': pose_initial_dct['x'] + (i + 1) * x_step_var, 'y': pose_initial_dct['y'] + (i + 1) * y_step_var, 'z': pose_initial_dct['z'] + (i + 1) * z_step_var, 'rx': pose_initial_dct['rx'] + (i + 1) * rx_step_var, 'ry': pose_initial_dct['ry'] + (i + 1) * ry_step_var, 'rz': pose_initial_dct['rz'] + (i + 1) * rz_step_var} pose = data2pose(dct) step_poses.append(pose) return step_poses def getPose(self): return self.get_model_state_service(self.model_name, 'world') def setPose(self, pose): req = SetModelStateRequest() # Create an object of type SetModelStateRequest req.model_state.model_name = self.model_name req.model_state.pose.position.x = pose.position.x req.model_state.pose.position.y = pose.position.y req.model_state.pose.position.z = pose.position.z req.model_state.pose.orientation.x = pose.orientation.x req.model_state.pose.orientation.y = pose.orientation.y req.model_state.pose.orientation.z = pose.orientation.z req.model_state.pose.orientation.w = pose.orientation.w req.model_state.reference_frame = 'world' self.set_state_service(req.model_state) def generateLights(self, n_steps, random): lights = [] if random: lights = [np.random.uniform( low=self.att_min, high=self.att_max) for _ in range(n_steps)] else: initial_light = self.att_initial final_light = np.random.uniform( low=self.att_min, high=self.att_max) step_light = (final_light - initial_light) / n_steps for i in range(n_steps): lights.append(initial_light + (i + 1) * step_light) self.att_initial = final_light return lights def setLight(self, light): for name in self.light_names: my_str = f'name: "{name}" \nattenuation_quadratic: {light}' with open('/tmp/set_light.txt', 'w') as f: f.write(my_str) os.system( f'gz topic -p /gazebo/mercado_negro/light/modify -f /tmp/set_light.txt') def checkCollision(self, initial_pose, final_pose): if self.use_collision is False: print('not using COLLISIONS.') return False initial_pose.position.x p1_xyz = np.array( [initial_pose.position.x, initial_pose.position.y, initial_pose.position.z]) p1_quat = np.array([initial_pose.orientation.x, initial_pose.orientation.y, initial_pose.orientation.z, initial_pose.orientation.w]) p2_xyz = np.array( [final_pose.position.x, final_pose.position.y, final_pose.position.z]) p2_quat = np.array([final_pose.orientation.x, final_pose.orientation.y, final_pose.orientation.z, final_pose.orientation.w]) dist_p1_to_p2 = np.linalg.norm(p2_xyz-p1_xyz) print( f' {Fore.BLUE} Checking collision... {Fore.RESET} between {p1_xyz} and {p2_xyz}') orientation = p2_xyz - p1_xyz norm_orientation = np.linalg.norm(orientation) orientation = orientation / norm_orientation ray_origins = np.array([p1_xyz]) ray_directions = np.array([orientation]) collisions, _, _ = self.mesh_collision.ray.intersects_location( ray_origins=ray_origins, ray_directions=ray_directions) closest_collision_to_p1 = self.getClosestCollision(collisions, p1_xyz) # compare the closest collision with the position of p2 if closest_collision_to_p1 < dist_p1_to_p2: # collision print(f'{Fore.RED} Collision Detected. {Fore.RESET}') return True else: # no collision # check if p2 camera viewpoint if close to a obstacle. orientation = R.from_quat(p2_quat).as_matrix()[:, 0] norm_orientation = np.linalg.norm(orientation) orientation = orientation / norm_orientation ray_origins = np.array([p2_xyz]) ray_directions = np.array([orientation]) collisions, _, _ = self.mesh_collision.ray.intersects_location( ray_origins=ray_origins, ray_directions=ray_directions) closest_collision_to_p2 = self.getClosestCollision( collisions, p2_xyz) if closest_collision_to_p2 < self.min_cam_dist: print( f'{Fore.YELLOW} Final Pose is too close to a obstacle. {Fore.RESET}') return True else: print(f'{Fore.GREEN} NO Collision Detected {Fore.RESET}') return False def checkCollisionVis(self, initial_pose, final_pose): if self.use_collision is False: print('not using COLLISIONS.') return False # load mesh # TODO #83 this should not be hardcoded mesh = trimesh.load( '/home/danc/models_3d/santuario_collision/Virtudes_Chapel.dae', force='mesh') initial_pose.position.x p1_xyz = np.array( [initial_pose.position.x, initial_pose.position.y, initial_pose.position.z]) p1_quat = np.array([initial_pose.orientation.x, initial_pose.orientation.y, initial_pose.orientation.z, initial_pose.orientation.w]) p2_xyz = np.array( [final_pose.position.x, final_pose.position.y, final_pose.position.z]) p2_quat = np.array([final_pose.orientation.x, final_pose.orientation.y, final_pose.orientation.z, final_pose.orientation.w]) dist_p1_to_p2 = np.linalg.norm(p2_xyz-p1_xyz) print( f' {Fore.BLUE} Checking collision... {Fore.RESET} between {p1_xyz} and {p2_xyz}') orientation = p2_xyz - p1_xyz norm_orientation = np.linalg.norm(orientation) orientation = orientation / norm_orientation ray_origins = np.array([p1_xyz]) ray_directions = np.array([orientation]) collisions, _, _ = mesh.ray.intersects_location( ray_origins=ray_origins, ray_directions=ray_directions) closest_collision_to_p1 = self.getClosestCollision(collisions, p1_xyz) # compare the closest collision with the position of p2 if closest_collision_to_p1 < dist_p1_to_p2: # collision print(f'{Fore.RED} Collision Detected. {Fore.RESET}') return 1 else: # no collision # check if p2 camera viewpoint if close to a obstacle. orientation = R.from_quat(p2_quat).as_matrix()[:, 0] norm_orientation = np.linalg.norm(orientation) orientation = orientation / norm_orientation ray_origins = np.array([p2_xyz]) ray_directions = np.array([orientation]) collisions, _, _ = mesh.ray.intersects_location( ray_origins=ray_origins, ray_directions=ray_directions) closest_collision_to_p2 = self.getClosestCollision( collisions, p2_xyz) if closest_collision_to_p2 < self.min_cam_dist: print( f'{Fore.YELLOW} Final Pose is too close to a obstacle. {Fore.RESET}') return 0.5 else: print(f'{Fore.GREEN} NO Collision Detected {Fore.RESET}') return 0 def generatePathViz(self, final_pose): initial_pose = self.getPose().pose xyz_initial = np.array( [initial_pose.position.x, initial_pose.position.y, initial_pose.position.z]) xyz_final = np.array( [final_pose.position.x, final_pose.position.y, final_pose.position.z]) l2_dst = np.linalg.norm(xyz_final - xyz_initial) # compute n_steps based on l2_dist n_steps = int(l2_dst / self.dbf) print('using n_steps of: ', n_steps) step_poses = [] # list of tuples rx, ry, rz = tf.transformations.euler_from_quaternion( [initial_pose.orientation.x, initial_pose.orientation.y, initial_pose.orientation.z, initial_pose.orientation.w]) pose_initial_dct = {'x': initial_pose.position.x, 'y': initial_pose.position.y, 'z': initial_pose.position.z, 'rx': rx, 'ry': ry, 'rz': rz} rx, ry, rz = tf.transformations.euler_from_quaternion( [final_pose.orientation.x, final_pose.orientation.y, final_pose.orientation.z, final_pose.orientation.w]) pose_final_dct = {'x': final_pose.position.x, 'y': final_pose.position.y, 'z': final_pose.position.z, 'rx': rx, 'ry': ry, 'rz': rz} x_step_var = (pose_final_dct['x'] - pose_initial_dct['x']) / n_steps y_step_var = (pose_final_dct['y'] - pose_initial_dct['y']) / n_steps z_step_var = (pose_final_dct['z'] - pose_initial_dct['z']) / n_steps rx_step_var = (pose_final_dct['rx'] - pose_initial_dct['rx']) / n_steps ry_step_var = (pose_final_dct['ry'] - pose_initial_dct['ry']) / n_steps rz_step_var = (pose_final_dct['rz'] - pose_initial_dct['rz']) / n_steps for i in range(n_steps): dct = {'x': pose_initial_dct['x'] + (i + 1) * x_step_var, 'y': pose_initial_dct['y'] + (i + 1) * y_step_var, 'z': pose_initial_dct['z'] + (i + 1) * z_step_var, 'rx': pose_initial_dct['rx'] + (i + 1) * rx_step_var, 'ry': pose_initial_dct['ry'] + (i + 1) * ry_step_var, 'rz': pose_initial_dct['rz'] + (i + 1) * rz_step_var} pose = data2pose(dct) step_poses.append(pose) return step_poses def getClosestCollision(self, collisions, p1_xyz): closest_collision_to_p1 = np.inf for position_collision in collisions: dist_collision_p1 = np.linalg.norm(position_collision - p1_xyz) if dist_collision_p1 < closest_collision_to_p1: closest_collision_to_p1 = dist_collision_p1 return closest_collision_to_p1 def saveFrame(self): self.save_dataset.saveFrame() def getFrameIdx(self): return self.save_dataset.frame_idx

py

synfeal

synfeal-main/synfeal_collection/src/interactive_data_collection.py

#!/usr/bin/env python3 import copy import rospy from std_msgs.msg import Header, ColorRGBA from geometry_msgs.msg import Point, Pose, Vector3, Quaternion from interactive_markers.interactive_marker_server import * from interactive_markers.menu_handler import * from visualization_msgs.msg import * from gazebo_msgs.srv import SetModelState, GetModelState, SetModelStateRequest from synfeal_collection.src.save_dataset import SaveDataset class InteractiveDataCollection(): def __init__(self, model_name, seq): self.set_state_service = rospy.ServiceProxy('/gazebo/set_model_state', SetModelState) self.menu_handler = MenuHandler() self.model_name = model_name self.server = InteractiveMarkerServer("interactive_camera") rospy.wait_for_service('/gazebo/get_model_state') self.get_model_state_service = rospy.ServiceProxy('/gazebo/get_model_state', GetModelState) pose_gazebo = self.get_model_state_service(self.model_name, 'world') self.pose = copy.deepcopy(pose_gazebo.pose) self.make6DofMarker(True, InteractiveMarkerControl.MOVE_3D, pose_gazebo.pose, True) # add interactive marker to save datasets self.original_pose = Pose(position=Point(x=0, y=0, z=1), orientation=Quaternion(x=0, y=0, z=0, w=1)) self.makeClickMarker(self.original_pose) self.server.applyChanges() # create instance to save dataset self.save_dataset = SaveDataset(seq, mode='interactive') def makeBox(self, msg, pose, color): marker = Marker(header=Header(frame_id="world", stamp=rospy.Time.now()), ns=self.model_name, id=0, frame_locked=False, type=Marker.SPHERE, action=Marker.ADD, lifetime=rospy.Duration(0), pose=pose, scale=Vector3(x=0.05, y=0.05, z=0.05), color=ColorRGBA(r=color[0], g=color[1], b=color[2], a=1)) return marker def makeBoxControl(self, msg, pose, color): control = InteractiveMarkerControl() control.interaction_mode = InteractiveMarkerControl.BUTTON control.always_visible = True control.markers.append(self.makeBox(msg, pose, color)) msg.controls.append(control) return control def makeClickMarker(self,pose): int_marker = InteractiveMarker() int_marker.header.frame_id = "world" int_marker.pose = pose int_marker.scale = 1 int_marker.name = "Save Frame" int_marker.description = "Click to save frame" control = self.makeBoxControl(int_marker, pose, color= [0.2,0.8,0.2]) int_marker.controls.append(copy.deepcopy(control)) self.server.insert(int_marker, self.processFeedbackMenu) self.menu_handler.apply(self.server, int_marker.name) def make6DofMarker(self, fixed, interaction_mode, pose, show_6dof=False): int_marker = InteractiveMarker() int_marker.header.frame_id = "world" int_marker.pose = pose int_marker.scale = 0.3 int_marker.name = "simple_6dof" int_marker.description = "Simple 6-DOF Control" self.makeBoxControl(int_marker, pose, color= [0.8,0.2,0.2]) int_marker.controls[0].interaction_mode = interaction_mode if fixed: int_marker.name += "_fixed" int_marker.description += "\n(fixed orientation)" if interaction_mode != InteractiveMarkerControl.NONE: control_modes_dict = { InteractiveMarkerControl.MOVE_3D: "MOVE_3D", InteractiveMarkerControl.ROTATE_3D: "ROTATE_3D", InteractiveMarkerControl.MOVE_ROTATE_3D: "MOVE_ROTATE_3D"} int_marker.name += "_" + control_modes_dict[interaction_mode] int_marker.description = "3D Control" if show_6dof: int_marker.description += " + 6-DOF controls" int_marker.description += "\n" + control_modes_dict[interaction_mode] if show_6dof: control = InteractiveMarkerControl() control.orientation.w = 1 control.orientation.x = 1 control.orientation.y = 0 control.orientation.z = 0 control.name = "rotate_x" control.interaction_mode = InteractiveMarkerControl.ROTATE_AXIS if fixed: control.orientation_mode = InteractiveMarkerControl.FIXED int_marker.controls.append(control) control = InteractiveMarkerControl() control.orientation.w = 1 control.orientation.x = 1 control.orientation.y = 0 control.orientation.z = 0 control.name = "move_x" control.interaction_mode = InteractiveMarkerControl.MOVE_AXIS if fixed: control.orientation_mode = InteractiveMarkerControl.FIXED int_marker.controls.append(control) control = InteractiveMarkerControl() control.orientation.w = 1 control.orientation.x = 0 control.orientation.y = 1 control.orientation.z = 0 control.name = "rotate_z" control.interaction_mode = InteractiveMarkerControl.ROTATE_AXIS if fixed: control.orientation_mode = InteractiveMarkerControl.FIXED int_marker.controls.append(control) control = InteractiveMarkerControl() control.orientation.w = 1 control.orientation.x = 0 control.orientation.y = 1 control.orientation.z = 0 control.name = "move_z" control.interaction_mode = InteractiveMarkerControl.MOVE_AXIS if fixed: control.orientation_mode = InteractiveMarkerControl.FIXED int_marker.controls.append(control) control = InteractiveMarkerControl() control.orientation.w = 1 control.orientation.x = 0 control.orientation.y = 0 control.orientation.z = 1 control.name = "rotate_y" control.interaction_mode = InteractiveMarkerControl.ROTATE_AXIS if fixed: control.orientation_mode = InteractiveMarkerControl.FIXED int_marker.controls.append(control) control = InteractiveMarkerControl() control.orientation.w = 1 control.orientation.x = 0 control.orientation.y = 0 control.orientation.z = 1 control.name = "move_y" control.interaction_mode = InteractiveMarkerControl.MOVE_AXIS if fixed: control.orientation_mode = InteractiveMarkerControl.FIXED int_marker.controls.append(control) self.server.insert(int_marker, self.processFeedback) self.menu_handler.apply(self.server, int_marker.name) def processFeedback(self, feedback): s = "feedback from marker '" + feedback.marker_name s += "' / control '" + feedback.control_name + "'" if feedback.event_type == InteractiveMarkerFeedback.POSE_UPDATE: rospy.loginfo( s + ": pose changed") print('feedback = \n' + str(feedback)) self.pose.position.x = feedback.pose.position.x self.pose.position.y = feedback.pose.position.y self.pose.position.z = feedback.pose.position.z self.pose.orientation.x = feedback.pose.orientation.x self.pose.orientation.y = feedback.pose.orientation.y self.pose.orientation.z = feedback.pose.orientation.z self.pose.orientation.w = feedback.pose.orientation.w req = SetModelStateRequest() # Create an object of type SetModelStateRequest req.model_state.model_name = self.model_name req.model_state.pose.position.x = self.pose.position.x req.model_state.pose.position.y = self.pose.position.y req.model_state.pose.position.z = self.pose.position.z req.model_state.pose.orientation.x = self.pose.orientation.x req.model_state.pose.orientation.y = self.pose.orientation.y req.model_state.pose.orientation.z = self.pose.orientation.z req.model_state.pose.orientation.w = self.pose.orientation.w req.model_state.reference_frame = 'world' self.set_state_service(req.model_state) self.server.applyChanges() def processFeedbackMenu(self, feedback): s = "feedback from marker '" + feedback.marker_name s += "' / control '" + feedback.control_name + "'" if feedback.event_type == InteractiveMarkerFeedback.BUTTON_CLICK: self.save_dataset.saveFrame() def callbackTimer(self,event): print('Timer called at ' + str(event.current_real)) def getFrameIdx(self): return self.save_dataset.frame_idx

py

synfeal

synfeal-main/synfeal_collection/src/save_dataset.py

#!/usr/bin/env python3 import rospy import os from visualization_msgs.msg import * from cv_bridge import CvBridge from tf.listener import TransformListener from utils import write_intrinsic, write_img, write_transformation from utils_ros import read_pcd, write_pcd from sensor_msgs.msg import PointCloud2, Image, PointField, CameraInfo from colorama import Fore from datetime import datetime import yaml import sensor_msgs.point_cloud2 as pc2 import numpy as np class SaveDataset(): def __init__(self, output, mode, dbf = None, uvl = None, model3d_config = None, fast=False): path=os.environ.get("SYNFEAL_DATASET") self.output_folder = f'{path}/datasets/localbot/{output}' if not os.path.exists(self.output_folder): print(f'Creating folder {self.output_folder}') os.makedirs(self.output_folder) # Create the new folder else: print(f'{Fore.RED} {self.output_folder} already exists... Aborting SaveDataset initialization! {Fore.RESET}') exit(0) name_model3d_config = model3d_config if model3d_config is not None else None dt_now = datetime.now() # current date and time config = {'user' : os.environ["USER"], 'date' : dt_now.strftime("%d/%m/%Y, %H:%M:%S"), 'mode' : mode, 'is_valid' : False, 'npoints' : None, 'scaled' : False, 'distance_between_frames' : dbf, 'raw' : output, 'variable_lights' : uvl, 'model3d_config' : name_model3d_config, 'fast' : fast} self.fast = fast self.frame_idx = 0 self.world_link = 'world' self.depth_frame = 'kinect_depth_optical_frame' self.rgb_frame = 'kinect_rgb_optical_frame' self.listener = TransformListener() self.bridge = CvBridge() # get transformation from depth_frame to rgb_fram now = rospy.Time() print(f'Waiting for transformation from {self.depth_frame} to {self.rgb_frame}') self.listener.waitForTransform(self.depth_frame, self.rgb_frame , now, rospy.Duration(5)) # admissible waiting time print('... received!') self.transform_depth_rgb = self.listener.lookupTransform(self.depth_frame, self.rgb_frame, now) self.matrix_depth_rgb = self.listener.fromTranslationRotation(self.transform_depth_rgb[0], self.transform_depth_rgb[1]) # get intrinsic matrices from both cameras rgb_camera_info = rospy.wait_for_message('/kinect/rgb/camera_info', CameraInfo) depth_camera_info = rospy.wait_for_message('/kinect/depth/camera_info', CameraInfo) # rgb information rgb_intrinsic = rgb_camera_info.K rgb_width = rgb_camera_info.width rgb_height = rgb_camera_info.height # depth information depth_width = depth_camera_info.width depth_height = depth_camera_info.height depth_intrinsic = depth_camera_info.K # save intrinsic to txt file write_intrinsic(f'{self.output_folder}/rgb_intrinsic.txt', rgb_intrinsic) write_intrinsic(f'{self.output_folder}/depth_intrinsic.txt', depth_intrinsic) rgb_dict = {'intrinsic' : f'{self.output_folder}/rgb_intrinsic.txt', 'width' : rgb_width, 'height' : rgb_height} depth_dict = {'intrinsic' : f'{self.output_folder}/depth_intrinsic.txt', 'width' : depth_width, 'height' : depth_height} config['rgb'] = rgb_dict config['depth'] = depth_dict with open(f'{self.output_folder}/config.yaml', 'w') as file: yaml.dump(config, file) with open(f'{self.output_folder}/model3d_config.yaml', 'w') as file: yaml.dump(model3d_config, file) print('SaveDataset initialized properly') def saveFrame(self): transformation = self.getTransformation() image = self.getImage() filename = f'frame-{self.frame_idx:05d}' write_transformation(f'{self.output_folder}/{filename}.pose.txt', transformation) write_img(f'{self.output_folder}/{filename}.rgb.png', image) if not self.fast: pc_msg = self.getPointCloud() write_pcd(f'{self.output_folder}/{filename}.pcd', pc_msg) print(f'frame-{self.frame_idx:05d} saved successfully') self.step() def getTransformation(self): now = rospy.Time() print(f'Waiting for transformation from {self.world_link} to {self.rgb_frame}') self.listener.waitForTransform(self.world_link, self.rgb_frame , now, rospy.Duration(5)) print('... received!') (trans,rot) = self.listener.lookupTransform(self.world_link, self.rgb_frame, now) return self.listener.fromTranslationRotation(trans, rot) def getImage(self): rgb_msg = rospy.wait_for_message('/kinect/rgb/image_raw', Image) return self.bridge.imgmsg_to_cv2(rgb_msg, "bgr8") # convert to opencv image def getPointCloud(self): pc_msg = rospy.wait_for_message('/kinect/depth/points', PointCloud2) pc2_points = pc2.read_points(pc_msg) gen_selected_points = list(pc2_points) lst_points = [] for point in gen_selected_points: lst_points.append([point[0], point[1], point[2], 1]) np_points = np.array(lst_points) # convert to rgb_frame np_points = np.dot(self.matrix_depth_rgb, np_points.T).T fields = [PointField('x', 0, PointField.FLOAT32, 1), PointField('y', 4, PointField.FLOAT32, 1), PointField('z', 8, PointField.FLOAT32, 1), PointField('intensity', 12, PointField.FLOAT32, 1)] pc_msg.header.frame_id = self.rgb_frame return pc2.create_cloud(pc_msg.header, fields, np_points) def step(self): self.frame_idx+=1

py

synfeal

synfeal-main/synfeal_collection/src/pypcd_no_ros.py

""" The MIT License (MIT) Copyright (c) 2015 Daniel Maturana, Carnegie Mellon University Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. Read and write PCL .pcd files in python. dimatura@cmu.edu, 2013 """ import re import struct import copy import numpy as np #from sensor_msgs.msg import PointField #from sensor_msgs.msg import PointCloud2 # ----------------------------------------------------------------------------- # ----- Settings # ----------------------------------------------------------------------------- DUMMY_FIELD_PREFIX = '__' # sizes (in bytes) of PointField types # pftype_sizes = {PointField.INT8: 1, PointField.UINT8: 1, PointField.INT16: 2, PointField.UINT16: 2, # PointField.INT32: 4, PointField.UINT32: 4, PointField.FLOAT32: 4, PointField.FLOAT64: 8} # # mappings between PointField types and numpy types # type_mappings = [(PointField.INT8, np.dtype('int8')), # (PointField.UINT8, np.dtype('uint8')), # (PointField.INT16, np.dtype('int16')), # (PointField.UINT16, np.dtype('uint16')), # (PointField.INT32, np.dtype('int32')), # (PointField.UINT32, np.dtype('uint32')), # (PointField.FLOAT32, np.dtype('float32')), # (PointField.FLOAT64, np.dtype('float64'))] # pftype_to_nptype = dict(type_mappings) # nptype_to_pftype = dict((nptype, pftype) for pftype, nptype in type_mappings) # pc2_pcd_type_mappings = [(PointField.INT8, ('I', 1)), # (PointField.UINT8, ('U', 1)), # (PointField.INT16, ('I', 2)), # (PointField.UINT16, ('U', 2)), # (PointField.INT32, ('I', 4)), # (PointField.UINT32, ('U', 4)), # (PointField.FLOAT32, ('F', 4)), # (PointField.FLOAT64, ('F', 8))] # pc2_type_to_pcd_type = dict(pc2_pcd_type_mappings) # pcd_type_to_pc2_type = dict((q, p) for (p, q) in pc2_pcd_type_mappings) numpy_pcd_type_mappings = [(np.dtype('float32'), ('F', 4)), (np.dtype('float64'), ('F', 8)), (np.dtype('uint8'), ('U', 1)), (np.dtype('uint16'), ('U', 2)), (np.dtype('uint32'), ('U', 4)), (np.dtype('uint64'), ('U', 8)), (np.dtype('int16'), ('I', 2)), (np.dtype('int32'), ('I', 4)), (np.dtype('int64'), ('I', 8))] numpy_type_to_pcd_type = dict(numpy_pcd_type_mappings) pcd_type_to_numpy_type = dict((q, p) for (p, q) in numpy_pcd_type_mappings) # ----------------------------------------------------------------------------- # ----- numpy <-> pc2 bridge # ----------------------------------------------------------------------------- def split_rgb_field(cloud_arr): '''Takes an array with a named 'rgb' float32 field, and returns an array in which this has been split into 3 uint 8 fields: 'r', 'g', and 'b'. (pcl stores rgb in packed 32 bit floats) ''' rgb_arr = cloud_arr['rgb'].copy() rgb_arr.dtype = np.uint32 r = np.asarray((rgb_arr >> 16) & 255, dtype=np.uint8) g = np.asarray((rgb_arr >> 8) & 255, dtype=np.uint8) b = np.asarray(rgb_arr & 255, dtype=np.uint8) # create a new array, without rgb, but with r, g, and b fields new_dtype = [] for field_name in cloud_arr.dtype.names: field_type, field_offset = cloud_arr.dtype.fields[field_name] if not field_name == 'rgb': new_dtype.append((field_name, field_type)) new_dtype.append(('r', np.uint8)) new_dtype.append(('g', np.uint8)) new_dtype.append(('b', np.uint8)) new_cloud_arr = np.zeros(cloud_arr.shape, new_dtype) # fill in the new array for field_name in new_cloud_arr.dtype.names: if field_name == 'r': new_cloud_arr[field_name] = r elif field_name == 'g': new_cloud_arr[field_name] = g elif field_name == 'b': new_cloud_arr[field_name] = b else: new_cloud_arr[field_name] = cloud_arr[field_name] return new_cloud_arr def merge_rgb_fields(cloud_arr): '''Takes an array with named np.uint8 fields 'r', 'g', and 'b', and returns an array in which they have been merged into a single np.float32 'rgb' field. The first byte of this field is the 'r' uint8, the second is the 'g', uint8, and the third is the 'b' uint8. This is the way that pcl likes to handle RGB colors for some reason. ''' r = np.asarray(cloud_arr['r'], dtype=np.uint32) g = np.asarray(cloud_arr['g'], dtype=np.uint32) b = np.asarray(cloud_arr['b'], dtype=np.uint32) rgb_arr = np.array((r << 16) | (g << 8) | (b << 0), dtype=np.uint32) # not sure if there is a better way to do this. i'm changing the type of the array # from uint32 to float32, but i don't want any conversion to take place -jdb rgb_arr.dtype = np.float32 # create a new array, without r, g, and b, but with rgb float32 field new_dtype = [] for field_name in cloud_arr.dtype.names: field_type, field_offset = cloud_arr.dtype.fields[field_name] if field_name not in ('r', 'g', 'b'): new_dtype.append((field_name, field_type)) new_dtype.append(('rgb', np.float32)) new_cloud_arr = np.zeros(cloud_arr.shape, new_dtype) # fill in the new array for field_name in new_cloud_arr.dtype.names: if field_name == 'rgb': new_cloud_arr[field_name] = rgb_arr else: new_cloud_arr[field_name] = cloud_arr[field_name] return new_cloud_arr def arr_to_fields(cloud_arr): '''Convert a numpy record datatype into a list of PointFields. ''' fields = [] for field_name in cloud_arr.dtype.names: np_field_type, field_offset = cloud_arr.dtype.fields[field_name] pf = PointField() pf.name = field_name pf.datatype = nptype_to_pftype[np_field_type] pf.offset = field_offset pf.count = 1 # is this ever more than one? fields.append(pf) return fields def pointcloud2_to_dtype(cloud_msg): '''Convert a list of PointFields to a numpy record datatype. ''' offset = 0 np_dtype_list = [] for f in cloud_msg.fields: while offset < f.offset: # might be extra padding between fields np_dtype_list.append(('%s%d' % (DUMMY_FIELD_PREFIX, offset), np.uint8)) offset += 1 np_dtype_list.append((f.name, pftype_to_nptype[f.datatype])) offset += pftype_sizes[f.datatype] # might be extra padding between points while offset < cloud_msg.point_step: np_dtype_list.append(('%s%d' % (DUMMY_FIELD_PREFIX, offset), np.uint8)) offset += 1 return np_dtype_list def pointcloud2_to_array(cloud_msg, split_rgb=False, remove_padding=True): ''' Converts a rospy PointCloud2 message to a numpy recordarray Reshapes the returned array to have shape (height, width), even if the height is 1. The reason for using np.fromstring rather than struct.unpack is speed... especially for large point clouds, this will be <much> faster. ''' # construct a numpy record type equivalent to the point type of this cloud dtype_list = pointcloud2_to_dtype(cloud_msg) # parse the cloud into an array cloud_arr = np.fromstring(cloud_msg.data, dtype_list) # remove the dummy fields that were added if remove_padding: cloud_arr = cloud_arr[ [fname for fname, _type in dtype_list if not (fname[:len(DUMMY_FIELD_PREFIX)] == DUMMY_FIELD_PREFIX)]] if split_rgb: cloud_arr = split_rgb_field(cloud_arr) return np.reshape(cloud_arr, (cloud_msg.height, cloud_msg.width)) def array_to_pointcloud2(cloud_arr, stamp=None, frame_id=None, merge_rgb=False): '''Converts a numpy record array to a sensor_msgs.msg.PointCloud2. ''' if merge_rgb: cloud_arr = merge_rgb_fields(cloud_arr) # make it 2d (even if height will be 1) cloud_arr = np.atleast_2d(cloud_arr) cloud_msg = PointCloud2() if stamp is not None: cloud_msg.header.stamp = stamp if frame_id is not None: cloud_msg.header.frame_id = frame_id cloud_msg.height = cloud_arr.shape[0] cloud_msg.width = cloud_arr.shape[1] cloud_msg.fields = arr_to_fields(cloud_arr) cloud_msg.is_bigendian = False # assumption cloud_msg.point_step = cloud_arr.dtype.itemsize cloud_msg.row_step = cloud_msg.point_step * cloud_arr.shape[1] cloud_msg.is_dense = all([np.isfinite(cloud_arr[fname]).all() for fname in cloud_arr.dtype.names]) cloud_msg.data = cloud_arr.tostring() return cloud_msg # ----------------------------------------------------------------------------- # ----- Read/Write routines # ----------------------------------------------------------------------------- def parse_header(lines): metadata = {} for ln in lines: if ln.startswith('#') or len(ln) < 2: continue match = re.match('(\w+)\s+([\w\s\.]+)', ln) if not match: print("\033[93m" + "warning: can't understand line: %s" % ln + "\033[1m") continue key, value = match.group(1).lower(), match.group(2) if key == 'version': metadata[key] = value elif key in ('fields', 'type'): metadata[key] = value.split() elif key in ('size', 'count'): metadata[key] = list(map(int, value.split())) elif key in ('width', 'height', 'points'): metadata[key] = int(value) elif key == 'viewpoint': metadata[key] = list(map(float, value.split())) elif key == 'data': metadata[key] = value.strip().lower() # TODO apparently count is not required? # add some reasonable defaults if 'count' not in metadata: metadata['count'] = [1] * len(metadata['fields']) if 'viewpoint' not in metadata: metadata['viewpoint'] = [0.0, 0.0, 0.0, 1.0, 0.0, 0.0, 0.0] if 'version' not in metadata: metadata['version'] = '.7' return metadata def write_header(metadata, rename_padding=False): """ given metadata as dictionary return a string header. """ template = """\ VERSION {version} FIELDS {fields} SIZE {size} TYPE {type} COUNT {count} WIDTH {width} HEIGHT {height} VIEWPOINT {viewpoint} POINTS {points} DATA {data} """ str_metadata = metadata.copy() if not rename_padding: str_metadata['fields'] = ' '.join(metadata['fields']) else: new_fields = [] for f in metadata['fields']: if f == '_': new_fields.append('padding') else: new_fields.append(f) str_metadata['fields'] = ' '.join(new_fields) str_metadata['size'] = ' '.join(map(str, metadata['size'])) str_metadata['type'] = ' '.join(metadata['type']) str_metadata['count'] = ' '.join(map(str, metadata['count'])) str_metadata['width'] = str(metadata['width']) str_metadata['height'] = str(metadata['height']) str_metadata['viewpoint'] = ' '.join(map(str, metadata['viewpoint'])) str_metadata['points'] = str(metadata['points']) tmpl = template.format(**str_metadata) return tmpl def _metadata_is_consistent(metadata): """ sanity check for metadata. just some basic checks. """ checks = [] required = ('version', 'fields', 'size', 'width', 'height', 'points', 'viewpoint', 'data') for f in required: if f not in metadata: print('%s required' % f) checks.append((lambda m: all([k in m for k in required]), 'missing field')) checks.append((lambda m: len(m['type']) == len(m['count']) == len(m['fields']), 'length of type, count and fields must be equal')) checks.append((lambda m: m['height'] > 0, 'height must be greater than 0')) checks.append((lambda m: m['width'] > 0, 'width must be greater than 0')) checks.append((lambda m: m['points'] > 0, 'points must be greater than 0')) checks.append((lambda m: m['data'].lower() in ('ascii', 'binary', 'binary_compressed'), 'unknown data type:' 'should be ascii/binary/binary_compressed')) ok = True for check, msg in checks: if not check(metadata): print('error:', msg) ok = False return ok def _build_dtype(metadata): """ build numpy structured array dtype from pcl metadata. note that fields with count > 1 are 'flattened' by creating multiple single-count fields. TODO: allow 'proper' multi-count fields. """ fieldnames = [] typenames = [] for f, c, t, s in zip(metadata['fields'], metadata['count'], metadata['type'], metadata['size']): np_type = pcd_type_to_numpy_type[(t, s)] if c == 1: fieldnames.append(f) typenames.append(np_type) else: fieldnames.extend(['%s_%04d' % (f, i) for i in range(c)]) typenames.extend([np_type] * c) dtype = np.dtype(list(zip(fieldnames, typenames))) return dtype def parse_binary_pc_data(f, dtype, metadata): rowstep = metadata['points'] * dtype.itemsize # for some reason pcl adds empty space at the end of files buf = f.read(rowstep) return np.fromstring(buf, dtype=dtype) def point_cloud_from_fileobj(f): """ parse pointcloud coming from file object f """ header = [] while True: ln = f.readline().strip() if not isinstance(ln, str): ln = ln.decode('utf-8') header.append(ln) if ln.startswith('DATA'): metadata = parse_header(header) dtype = _build_dtype(metadata) break pc_data = parse_binary_pc_data(f, dtype, metadata) return PointCloud(metadata, pc_data) def point_cloud_from_path(fname): """ load point cloud in binary format """ with open(fname, 'rb') as f: pc = point_cloud_from_fileobj(f) return pc def point_cloud_to_fileobj(pc, fileobj, data_compression=None): """ write pointcloud as .pcd to fileobj. if data_compression is not None it overrides pc.data. """ metadata = pc.get_metadata() if data_compression is not None: data_compression = data_compression.lower() assert (data_compression in ('ascii', 'binary', 'binary_compressed')) metadata['data'] = data_compression header = write_header(metadata).encode('utf-8') fileobj.write(header) fileobj.write(pc.pc_data.tostring()) class PointCloud(object): def __init__(self, metadata, pc_data): self.metadata_keys = metadata.keys() self.__dict__.update(metadata) self.pc_data = pc_data self.check_sanity() def get_metadata(self): """ returns copy of metadata """ metadata = {} for k in self.metadata_keys: metadata[k] = copy.copy(getattr(self, k)) return metadata def check_sanity(self): # pdb.set_trace() md = self.get_metadata() assert (_metadata_is_consistent(md)) assert (len(self.pc_data) == self.points) assert (self.width * self.height == self.points) assert (len(self.fields) == len(self.count)) assert (len(self.fields) == len(self.type)) def save_pcd(self, fname, compression=None, **kwargs): if 'data_compression' in kwargs: print('\033[93m' + 'data_compression keyword is deprecated for' ' compression' + '\033[1m') compression = kwargs['data_compression'] with open(fname, 'wb') as f: point_cloud_to_fileobj(self, f, compression) def save_pcd_to_fileobj(self, fileobj, compression=None, **kwargs): if 'data_compression' in kwargs: print('\033[93m' + 'data_compression keyword is deprecated for' ' compression' + '\033[1m') compression = kwargs['data_compression'] point_cloud_to_fileobj(self, fileobj, compression) def copy(self): new_pc_data = np.copy(self.pc_data) new_metadata = self.get_metadata() return PointCloud(new_metadata, new_pc_data) def to_msg(self): # TODO is there some metadata we want to attach? return array_to_pointcloud2(self.pc_data) @staticmethod def from_path(fname): return point_cloud_from_path(fname) @staticmethod def from_msg(msg, squeeze=True): """ from pointcloud2 msg squeeze: fix when clouds get 1 as first dim """ md = {'version': .7, 'fields': [], 'size': [], 'count': [], 'width': 0, 'height': 1, 'viewpoint': [0.0, 0.0, 0.0, 1.0, 0.0, 0.0, 0.0], 'points': 0, 'type': [], 'data': 'binary_compressed'} for field in msg.fields: md['fields'].append(field.name) t, s = pc2_type_to_pcd_type[field.datatype] md['type'].append(t) md['size'].append(s) # TODO handle multicount correctly if field.count > 1: print('\033[93m' + 'fields with count > 1 are not well tested' + '\033[1m') md['count'].append(field.count) pc_data = np.squeeze(pointcloud2_to_array(msg)) md['width'] = len(pc_data) md['points'] = len(pc_data) pc = PointCloud(md, pc_data) return pc

py

synfeal

synfeal-main/synfeal_collection/src/__init__.py

py

synfeal

synfeal-main/synfeal_collection/src/pypcd.py

""" The MIT License (MIT) Copyright (c) 2015 Daniel Maturana, Carnegie Mellon University Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. Read and write PCL .pcd files in python. dimatura@cmu.edu, 2013 """ import re import struct import copy import numpy as np from sensor_msgs.msg import PointField from sensor_msgs.msg import PointCloud2 # ----------------------------------------------------------------------------- # ----- Settings # ----------------------------------------------------------------------------- DUMMY_FIELD_PREFIX = '__' # sizes (in bytes) of PointField types pftype_sizes = {PointField.INT8: 1, PointField.UINT8: 1, PointField.INT16: 2, PointField.UINT16: 2, PointField.INT32: 4, PointField.UINT32: 4, PointField.FLOAT32: 4, PointField.FLOAT64: 8} # mappings between PointField types and numpy types type_mappings = [(PointField.INT8, np.dtype('int8')), (PointField.UINT8, np.dtype('uint8')), (PointField.INT16, np.dtype('int16')), (PointField.UINT16, np.dtype('uint16')), (PointField.INT32, np.dtype('int32')), (PointField.UINT32, np.dtype('uint32')), (PointField.FLOAT32, np.dtype('float32')), (PointField.FLOAT64, np.dtype('float64'))] pftype_to_nptype = dict(type_mappings) nptype_to_pftype = dict((nptype, pftype) for pftype, nptype in type_mappings) pc2_pcd_type_mappings = [(PointField.INT8, ('I', 1)), (PointField.UINT8, ('U', 1)), (PointField.INT16, ('I', 2)), (PointField.UINT16, ('U', 2)), (PointField.INT32, ('I', 4)), (PointField.UINT32, ('U', 4)), (PointField.FLOAT32, ('F', 4)), (PointField.FLOAT64, ('F', 8))] pc2_type_to_pcd_type = dict(pc2_pcd_type_mappings) pcd_type_to_pc2_type = dict((q, p) for (p, q) in pc2_pcd_type_mappings) numpy_pcd_type_mappings = [(np.dtype('float32'), ('F', 4)), (np.dtype('float64'), ('F', 8)), (np.dtype('uint8'), ('U', 1)), (np.dtype('uint16'), ('U', 2)), (np.dtype('uint32'), ('U', 4)), (np.dtype('uint64'), ('U', 8)), (np.dtype('int16'), ('I', 2)), (np.dtype('int32'), ('I', 4)), (np.dtype('int64'), ('I', 8))] numpy_type_to_pcd_type = dict(numpy_pcd_type_mappings) pcd_type_to_numpy_type = dict((q, p) for (p, q) in numpy_pcd_type_mappings) # ----------------------------------------------------------------------------- # ----- numpy <-> pc2 bridge # ----------------------------------------------------------------------------- def split_rgb_field(cloud_arr): '''Takes an array with a named 'rgb' float32 field, and returns an array in which this has been split into 3 uint 8 fields: 'r', 'g', and 'b'. (pcl stores rgb in packed 32 bit floats) ''' rgb_arr = cloud_arr['rgb'].copy() rgb_arr.dtype = np.uint32 r = np.asarray((rgb_arr >> 16) & 255, dtype=np.uint8) g = np.asarray((rgb_arr >> 8) & 255, dtype=np.uint8) b = np.asarray(rgb_arr & 255, dtype=np.uint8) # create a new array, without rgb, but with r, g, and b fields new_dtype = [] for field_name in cloud_arr.dtype.names: field_type, field_offset = cloud_arr.dtype.fields[field_name] if not field_name == 'rgb': new_dtype.append((field_name, field_type)) new_dtype.append(('r', np.uint8)) new_dtype.append(('g', np.uint8)) new_dtype.append(('b', np.uint8)) new_cloud_arr = np.zeros(cloud_arr.shape, new_dtype) # fill in the new array for field_name in new_cloud_arr.dtype.names: if field_name == 'r': new_cloud_arr[field_name] = r elif field_name == 'g': new_cloud_arr[field_name] = g elif field_name == 'b': new_cloud_arr[field_name] = b else: new_cloud_arr[field_name] = cloud_arr[field_name] return new_cloud_arr def merge_rgb_fields(cloud_arr): '''Takes an array with named np.uint8 fields 'r', 'g', and 'b', and returns an array in which they have been merged into a single np.float32 'rgb' field. The first byte of this field is the 'r' uint8, the second is the 'g', uint8, and the third is the 'b' uint8. This is the way that pcl likes to handle RGB colors for some reason. ''' r = np.asarray(cloud_arr['r'], dtype=np.uint32) g = np.asarray(cloud_arr['g'], dtype=np.uint32) b = np.asarray(cloud_arr['b'], dtype=np.uint32) rgb_arr = np.array((r << 16) | (g << 8) | (b << 0), dtype=np.uint32) # not sure if there is a better way to do this. i'm changing the type of the array # from uint32 to float32, but i don't want any conversion to take place -jdb rgb_arr.dtype = np.float32 # create a new array, without r, g, and b, but with rgb float32 field new_dtype = [] for field_name in cloud_arr.dtype.names: field_type, field_offset = cloud_arr.dtype.fields[field_name] if field_name not in ('r', 'g', 'b'): new_dtype.append((field_name, field_type)) new_dtype.append(('rgb', np.float32)) new_cloud_arr = np.zeros(cloud_arr.shape, new_dtype) # fill in the new array for field_name in new_cloud_arr.dtype.names: if field_name == 'rgb': new_cloud_arr[field_name] = rgb_arr else: new_cloud_arr[field_name] = cloud_arr[field_name] return new_cloud_arr def arr_to_fields(cloud_arr): '''Convert a numpy record datatype into a list of PointFields. ''' fields = [] for field_name in cloud_arr.dtype.names: np_field_type, field_offset = cloud_arr.dtype.fields[field_name] pf = PointField() pf.name = field_name pf.datatype = nptype_to_pftype[np_field_type] pf.offset = field_offset pf.count = 1 # is this ever more than one? fields.append(pf) return fields def pointcloud2_to_dtype(cloud_msg): '''Convert a list of PointFields to a numpy record datatype. ''' offset = 0 np_dtype_list = [] for f in cloud_msg.fields: while offset < f.offset: # might be extra padding between fields np_dtype_list.append(('%s%d' % (DUMMY_FIELD_PREFIX, offset), np.uint8)) offset += 1 np_dtype_list.append((f.name, pftype_to_nptype[f.datatype])) offset += pftype_sizes[f.datatype] # might be extra padding between points while offset < cloud_msg.point_step: np_dtype_list.append(('%s%d' % (DUMMY_FIELD_PREFIX, offset), np.uint8)) offset += 1 return np_dtype_list def pointcloud2_to_array(cloud_msg, split_rgb=False, remove_padding=True): ''' Converts a rospy PointCloud2 message to a numpy recordarray Reshapes the returned array to have shape (height, width), even if the height is 1. The reason for using np.fromstring rather than struct.unpack is speed... especially for large point clouds, this will be <much> faster. ''' # construct a numpy record type equivalent to the point type of this cloud dtype_list = pointcloud2_to_dtype(cloud_msg) # parse the cloud into an array cloud_arr = np.fromstring(cloud_msg.data, dtype_list) # remove the dummy fields that were added if remove_padding: cloud_arr = cloud_arr[ [fname for fname, _type in dtype_list if not (fname[:len(DUMMY_FIELD_PREFIX)] == DUMMY_FIELD_PREFIX)]] if split_rgb: cloud_arr = split_rgb_field(cloud_arr) return np.reshape(cloud_arr, (cloud_msg.height, cloud_msg.width)) def array_to_pointcloud2(cloud_arr, stamp=None, frame_id=None, merge_rgb=False): '''Converts a numpy record array to a sensor_msgs.msg.PointCloud2. ''' if merge_rgb: cloud_arr = merge_rgb_fields(cloud_arr) # make it 2d (even if height will be 1) cloud_arr = np.atleast_2d(cloud_arr) cloud_msg = PointCloud2() if stamp is not None: cloud_msg.header.stamp = stamp if frame_id is not None: cloud_msg.header.frame_id = frame_id cloud_msg.height = cloud_arr.shape[0] cloud_msg.width = cloud_arr.shape[1] cloud_msg.fields = arr_to_fields(cloud_arr) cloud_msg.is_bigendian = False # assumption cloud_msg.point_step = cloud_arr.dtype.itemsize cloud_msg.row_step = cloud_msg.point_step * cloud_arr.shape[1] cloud_msg.is_dense = all([np.isfinite(cloud_arr[fname]).all() for fname in cloud_arr.dtype.names]) cloud_msg.data = cloud_arr.tostring() return cloud_msg # ----------------------------------------------------------------------------- # ----- Read/Write routines # ----------------------------------------------------------------------------- def parse_header(lines): metadata = {} for ln in lines: if ln.startswith('#') or len(ln) < 2: continue match = re.match('(\w+)\s+([\w\s\.]+)', ln) if not match: print("\033[93m" + "warning: can't understand line: %s" % ln + "\033[1m") continue key, value = match.group(1).lower(), match.group(2) if key == 'version': metadata[key] = value elif key in ('fields', 'type'): metadata[key] = value.split() elif key in ('size', 'count'): metadata[key] = list(map(int, value.split())) elif key in ('width', 'height', 'points'): metadata[key] = int(value) elif key == 'viewpoint': metadata[key] = list(map(float, value.split())) elif key == 'data': metadata[key] = value.strip().lower() # TODO apparently count is not required? # add some reasonable defaults if 'count' not in metadata: metadata['count'] = [1] * len(metadata['fields']) if 'viewpoint' not in metadata: metadata['viewpoint'] = [0.0, 0.0, 0.0, 1.0, 0.0, 0.0, 0.0] if 'version' not in metadata: metadata['version'] = '.7' return metadata def write_header(metadata, rename_padding=False): """ given metadata as dictionary return a string header. """ template = """\ VERSION {version} FIELDS {fields} SIZE {size} TYPE {type} COUNT {count} WIDTH {width} HEIGHT {height} VIEWPOINT {viewpoint} POINTS {points} DATA {data} """ str_metadata = metadata.copy() if not rename_padding: str_metadata['fields'] = ' '.join(metadata['fields']) else: new_fields = [] for f in metadata['fields']: if f == '_': new_fields.append('padding') else: new_fields.append(f) str_metadata['fields'] = ' '.join(new_fields) str_metadata['size'] = ' '.join(map(str, metadata['size'])) str_metadata['type'] = ' '.join(metadata['type']) str_metadata['count'] = ' '.join(map(str, metadata['count'])) str_metadata['width'] = str(metadata['width']) str_metadata['height'] = str(metadata['height']) str_metadata['viewpoint'] = ' '.join(map(str, metadata['viewpoint'])) str_metadata['points'] = str(metadata['points']) tmpl = template.format(**str_metadata) return tmpl def _metadata_is_consistent(metadata): """ sanity check for metadata. just some basic checks. """ checks = [] required = ('version', 'fields', 'size', 'width', 'height', 'points', 'viewpoint', 'data') for f in required: if f not in metadata: print('%s required' % f) checks.append((lambda m: all([k in m for k in required]), 'missing field')) checks.append((lambda m: len(m['type']) == len(m['count']) == len(m['fields']), 'length of type, count and fields must be equal')) checks.append((lambda m: m['height'] > 0, 'height must be greater than 0')) checks.append((lambda m: m['width'] > 0, 'width must be greater than 0')) checks.append((lambda m: m['points'] > 0, 'points must be greater than 0')) checks.append((lambda m: m['data'].lower() in ('ascii', 'binary', 'binary_compressed'), 'unknown data type:' 'should be ascii/binary/binary_compressed')) ok = True for check, msg in checks: if not check(metadata): print('error:', msg) ok = False return ok def _build_dtype(metadata): """ build numpy structured array dtype from pcl metadata. note that fields with count > 1 are 'flattened' by creating multiple single-count fields. TODO: allow 'proper' multi-count fields. """ fieldnames = [] typenames = [] for f, c, t, s in zip(metadata['fields'], metadata['count'], metadata['type'], metadata['size']): np_type = pcd_type_to_numpy_type[(t, s)] if c == 1: fieldnames.append(f) typenames.append(np_type) else: fieldnames.extend(['%s_%04d' % (f, i) for i in range(c)]) typenames.extend([np_type] * c) dtype = np.dtype(list(zip(fieldnames, typenames))) return dtype def parse_binary_pc_data(f, dtype, metadata): rowstep = metadata['points'] * dtype.itemsize # for some reason pcl adds empty space at the end of files buf = f.read(rowstep) return np.fromstring(buf, dtype=dtype) def point_cloud_from_fileobj(f): """ parse pointcloud coming from file object f """ header = [] while True: ln = f.readline().strip() if not isinstance(ln, str): ln = ln.decode('utf-8') header.append(ln) if ln.startswith('DATA'): metadata = parse_header(header) dtype = _build_dtype(metadata) break pc_data = parse_binary_pc_data(f, dtype, metadata) return PointCloud(metadata, pc_data) def point_cloud_from_path(fname): """ load point cloud in binary format """ with open(fname, 'rb') as f: pc = point_cloud_from_fileobj(f) return pc def point_cloud_to_fileobj(pc, fileobj, data_compression=None): """ write pointcloud as .pcd to fileobj. if data_compression is not None it overrides pc.data. """ metadata = pc.get_metadata() if data_compression is not None: data_compression = data_compression.lower() assert (data_compression in ('ascii', 'binary', 'binary_compressed')) metadata['data'] = data_compression header = write_header(metadata).encode('utf-8') fileobj.write(header) fileobj.write(pc.pc_data.tostring()) class PointCloud(object): def __init__(self, metadata, pc_data): self.metadata_keys = metadata.keys() self.__dict__.update(metadata) self.pc_data = pc_data self.check_sanity() def get_metadata(self): """ returns copy of metadata """ metadata = {} for k in self.metadata_keys: metadata[k] = copy.copy(getattr(self, k)) return metadata def check_sanity(self): # pdb.set_trace() md = self.get_metadata() assert (_metadata_is_consistent(md)) assert (len(self.pc_data) == self.points) assert (self.width * self.height == self.points) assert (len(self.fields) == len(self.count)) assert (len(self.fields) == len(self.type)) def save_pcd(self, fname, compression=None, **kwargs): if 'data_compression' in kwargs: print('\033[93m' + 'data_compression keyword is deprecated for' ' compression' + '\033[1m') compression = kwargs['data_compression'] with open(fname, 'wb') as f: point_cloud_to_fileobj(self, f, compression) def save_pcd_to_fileobj(self, fileobj, compression=None, **kwargs): if 'data_compression' in kwargs: print('\033[93m' + 'data_compression keyword is deprecated for' ' compression' + '\033[1m') compression = kwargs['data_compression'] point_cloud_to_fileobj(self, fileobj, compression) def copy(self): new_pc_data = np.copy(self.pc_data) new_metadata = self.get_metadata() return PointCloud(new_metadata, new_pc_data) def to_msg(self): # TODO is there some metadata we want to attach? return array_to_pointcloud2(self.pc_data) @staticmethod def from_path(fname): return point_cloud_from_path(fname) @staticmethod def from_msg(msg, squeeze=True): """ from pointcloud2 msg squeeze: fix when clouds get 1 as first dim """ md = {'version': .7, 'fields': [], 'size': [], 'count': [], 'width': 0, 'height': 1, 'viewpoint': [0.0, 0.0, 0.0, 1.0, 0.0, 0.0, 0.0], 'points': 0, 'type': [], 'data': 'binary_compressed'} for field in msg.fields: md['fields'].append(field.name) t, s = pc2_type_to_pcd_type[field.datatype] md['type'].append(t) md['size'].append(s) # TODO handle multicount correctly if field.count > 1: print('\033[93m' + 'fields with count > 1 are not well tested' + '\033[1m') md['count'].append(field.count) pc_data = np.squeeze(pointcloud2_to_array(msg)) md['width'] = len(pc_data) md['points'] = len(pc_data) pc = PointCloud(md, pc_data) return pc

py

synfeal

synfeal-main/models/pointnet.py

import torch import torch.nn as nn import torch.nn.parallel import torch.utils.data from torch.autograd import Variable import numpy as np import torch.nn.functional as F # this is a regularization to avoid overfitting! It adds another term to the cost function to penalize the complexity of the models. def feature_transform_regularizer(trans): d = trans.size()[1] batchsize = trans.size()[0] I = torch.eye(d)[None, :, :] if trans.is_cuda: I = I.cuda() loss = torch.mean(torch.norm(torch.bmm(trans, trans.transpose(2,1)) - I, dim=(1,2))) return loss class STN3d(nn.Module): # spatial transformer network 3d, paper: https://arxiv.org/pdf/1506.02025v3.pdf def __init__(self): super(STN3d, self).__init__() self.conv1 = torch.nn.Conv1d(3, 64, 1) # conv1d because we are sliding the filter over 1 dimensional. self.conv2 = torch.nn.Conv1d(64, 128, 1) self.conv3 = torch.nn.Conv1d(128, 1024, 1) self.fc1 = nn.Linear(1024, 512) self.fc2 = nn.Linear(512, 256) self.fc3 = nn.Linear(256, 9) self.relu = nn.ReLU() self.bn1 = nn.BatchNorm1d(64) self.bn2 = nn.BatchNorm1d(128) self.bn3 = nn.BatchNorm1d(1024) self.bn4 = nn.BatchNorm1d(512) self.bn5 = nn.BatchNorm1d(256) def forward(self, x): batchsize = x.size()[0] x = F.relu(self.bn1(self.conv1(x))) x = F.relu(self.bn2(self.conv2(x))) x = F.relu(self.bn3(self.conv3(x))) x = torch.max(x, 2, keepdim=True)[0] x = x.view(-1, 1024) x = F.relu(self.bn4(self.fc1(x))) x = F.relu(self.bn5(self.fc2(x))) x = self.fc3(x) iden = Variable(torch.from_numpy(np.array([1,0,0,0,1,0,0,0,1]).astype(np.float32))).view(1,9).repeat(batchsize,1) if x.is_cuda: iden = iden.cuda() x = x + iden x = x.view(-1, 3, 3) return x class STNkd(nn.Module): def __init__(self, k=64): super(STNkd, self).__init__() self.conv1 = torch.nn.Conv1d(k, 64, 1) self.conv2 = torch.nn.Conv1d(64, 128, 1) self.conv3 = torch.nn.Conv1d(128, 1024, 1) self.fc1 = nn.Linear(1024, 512) self.fc2 = nn.Linear(512, 256) self.fc3 = nn.Linear(256, k*k) self.relu = nn.ReLU() self.bn1 = nn.BatchNorm1d(64) self.bn2 = nn.BatchNorm1d(128) self.bn3 = nn.BatchNorm1d(1024) self.bn4 = nn.BatchNorm1d(512) self.bn5 = nn.BatchNorm1d(256) self.k = k def forward(self, x): batchsize = x.size()[0] x = F.relu(self.bn1(self.conv1(x))) x = F.relu(self.bn2(self.conv2(x))) x = F.relu(self.bn3(self.conv3(x))) x = torch.max(x, 2, keepdim=True)[0] x = x.view(-1, 1024) x = F.relu(self.bn4(self.fc1(x))) x = F.relu(self.bn5(self.fc2(x))) x = self.fc3(x) iden = Variable(torch.from_numpy(np.eye(self.k).flatten().astype(np.float32))).view(1,self.k*self.k).repeat(batchsize,1) if x.is_cuda: iden = iden.cuda() x = x + iden x = x.view(-1, self.k, self.k) return x class PointNetfeat(nn.Module): def __init__(self, feature_transform = False): super(PointNetfeat, self).__init__() #self.stn = STN3d() self.conv1 = torch.nn.Conv1d(3, 64, 1) self.conv2 = torch.nn.Conv1d(64, 128, 1) self.conv3 = torch.nn.Conv1d(128, 1024, 1) self.bn1 = nn.BatchNorm1d(64) self.bn2 = nn.BatchNorm1d(128) self.bn3 = nn.BatchNorm1d(1024) self.feature_transform = feature_transform if self.feature_transform: self.fstn = STNkd(k=64) def forward(self, x): n_pts = x.size()[2] # input is (batch_size, number_of_features, number_of_points) #trans = self.stn(x) #x = x.transpose(2, 1) # this swaps number of feature with number of points --> (batch_size, number_of_points, number_of_features) #x = torch.bmm(x, trans) # batch matrix-matrix product --> x.shape = (32, 2500, 3), trans.shape = (32, 3, 3) --> output = (32, 2500, 3) #x = x.transpose(2, 1) # now x.shape = (32, 3, 2500) x = F.relu(self.bn1(self.conv1(x))) # x.shape = (32, 64, 2500) if self.feature_transform: trans_feat = self.fstn(x) x = x.transpose(2,1) x = torch.bmm(x, trans_feat) x = x.transpose(2,1) else: trans_feat = None x = F.relu(self.bn2(self.conv2(x))) x = self.bn3(self.conv3(x)) #x.shape (32, 1024, 2500) x = torch.max(x, 2, keepdim=True)[0] # MAX POOLING x = x.view(-1, 1024) # flattening trans = 0 return x, trans, trans_feat class PointNet(nn.Module): def __init__(self, feature_transform=False): super(PointNet, self).__init__() self.feature_transform = feature_transform self.feat = PointNetfeat(feature_transform=feature_transform) self.fc1 = nn.Linear(1024, 512) self.fc2 = nn.Linear(512, 256) self.fc3_trans = nn.Linear(256, 3) self.fc3_rot = nn.Linear(256, 4) self.dropout = nn.Dropout(p=0.3) self.bn1 = nn.BatchNorm1d(512) self.bn2 = nn.BatchNorm1d(256) self.relu = nn.ReLU() def forward(self, x): x, trans, trans_feat = self.feat(x) # the output x is the global feature (1024x1) x = F.relu(self.bn1(self.fc1(x))) x = F.relu(self.bn2(self.dropout(self.fc2(x)))) x_trans = self.fc3_trans(x) # Joint Learning! x_rot = self.fc3_rot(x) # Joint Learning! x_pose = torch.cat((x_trans, x_rot), dim=1) return x_pose, trans, trans_feat # softmax removed!

py

synfeal

synfeal-main/models/pointnet_classification.py

import torch import torch.nn as nn import torch.nn.parallel import torch.utils.data from torch.autograd import Variable import numpy as np import torch.nn.functional as F class STN3d(nn.Module): def __init__(self): super(STN3d, self).__init__() self.conv1 = torch.nn.Conv1d(3, 64, 1) self.conv2 = torch.nn.Conv1d(64, 128, 1) self.conv3 = torch.nn.Conv1d(128, 1024, 1) self.fc1 = nn.Linear(1024, 512) self.fc2 = nn.Linear(512, 256) self.fc3 = nn.Linear(256, 9) self.relu = nn.ReLU() self.bn1 = nn.BatchNorm1d(64) self.bn2 = nn.BatchNorm1d(128) self.bn3 = nn.BatchNorm1d(1024) self.bn4 = nn.BatchNorm1d(512) self.bn5 = nn.BatchNorm1d(256) def forward(self, x): batchsize = x.size()[0] x = F.relu(self.bn1(self.conv1(x))) x = F.relu(self.bn2(self.conv2(x))) x = F.relu(self.bn3(self.conv3(x))) x = torch.max(x, 2, keepdim=True)[0] x = x.view(-1, 1024) x = F.relu(self.bn4(self.fc1(x))) x = F.relu(self.bn5(self.fc2(x))) x = self.fc3(x) iden = Variable(torch.from_numpy(np.array([1,0,0,0,1,0,0,0,1]).astype(np.float32))).view(1,9).repeat(batchsize,1) if x.is_cuda: iden = iden.cuda() x = x + iden x = x.view(-1, 3, 3) return x class STNkd(nn.Module): def __init__(self, k=64): super(STNkd, self).__init__() self.conv1 = torch.nn.Conv1d(k, 64, 1) self.conv2 = torch.nn.Conv1d(64, 128, 1) self.conv3 = torch.nn.Conv1d(128, 1024, 1) self.fc1 = nn.Linear(1024, 512) self.fc2 = nn.Linear(512, 256) self.fc3 = nn.Linear(256, k*k) self.relu = nn.ReLU() self.bn1 = nn.BatchNorm1d(64) self.bn2 = nn.BatchNorm1d(128) self.bn3 = nn.BatchNorm1d(1024) self.bn4 = nn.BatchNorm1d(512) self.bn5 = nn.BatchNorm1d(256) self.k = k def forward(self, x): batchsize = x.size()[0] x = F.relu(self.bn1(self.conv1(x))) x = F.relu(self.bn2(self.conv2(x))) x = F.relu(self.bn3(self.conv3(x))) x = torch.max(x, 2, keepdim=True)[0] x = x.view(-1, 1024) x = F.relu(self.bn4(self.fc1(x))) x = F.relu(self.bn5(self.fc2(x))) x = self.fc3(x) iden = Variable(torch.from_numpy(np.eye(self.k).flatten().astype(np.float32))).view(1,self.k*self.k).repeat(batchsize,1) if x.is_cuda: iden = iden.cuda() x = x + iden x = x.view(-1, self.k, self.k) return x class PointNetfeat(nn.Module): def __init__(self, global_feat = True, feature_transform = False): super(PointNetfeat, self).__init__() self.stn = STN3d() self.conv1 = torch.nn.Conv1d(3, 64, 1) self.conv2 = torch.nn.Conv1d(64, 128, 1) self.conv3 = torch.nn.Conv1d(128, 1024, 1) self.bn1 = nn.BatchNorm1d(64) self.bn2 = nn.BatchNorm1d(128) self.bn3 = nn.BatchNorm1d(1024) self.global_feat = global_feat self.feature_transform = feature_transform if self.feature_transform: self.fstn = STNkd(k=64) def forward(self, x): n_pts = x.size()[2] trans = self.stn(x) x = x.transpose(2, 1) x = torch.bmm(x, trans) x = x.transpose(2, 1) x = F.relu(self.bn1(self.conv1(x))) if self.feature_transform: trans_feat = self.fstn(x) x = x.transpose(2,1) x = torch.bmm(x, trans_feat) x = x.transpose(2,1) else: trans_feat = None pointfeat = x x = F.relu(self.bn2(self.conv2(x))) x = self.bn3(self.conv3(x)) x = torch.max(x, 2, keepdim=True)[0] x = x.view(-1, 1024) if self.global_feat: return x, trans, trans_feat else: x = x.view(-1, 1024, 1).repeat(1, 1, n_pts) return torch.cat([x, pointfeat], 1), trans, trans_feat class PointNetCls(nn.Module): def __init__(self, k=2, feature_transform=False): super(PointNetCls, self).__init__() self.feature_transform = feature_transform self.feat = PointNetfeat(global_feat=True, feature_transform=feature_transform) self.fc1 = nn.Linear(1024, 512) self.fc2 = nn.Linear(512, 256) self.fc3 = nn.Linear(256, k) self.dropout = nn.Dropout(p=0.3) self.bn1 = nn.BatchNorm1d(512) self.bn2 = nn.BatchNorm1d(256) self.relu = nn.ReLU() def forward(self, x): x, trans, trans_feat = self.feat(x) # the output x is the global feature (1024x1) x = F.relu(self.bn1(self.fc1(x))) x = F.relu(self.bn2(self.dropout(self.fc2(x)))) x = self.fc3(x) return F.log_softmax(x, dim=1), trans, trans_feat # this must change

py

synfeal

synfeal-main/models/loss_functions.py

import torch from torch import nn class BetaLoss(nn.Module): def __init__(self, beta= 512): super(BetaLoss, self).__init__() self.beta = beta #self.loss_fn = torch.nn.L1Loss() # PoseNet said that L1 was the best self.loss_fn = torch.nn.MSELoss() def forward(self, pred, targ): """ :param pred: N x 7 :param targ: N x 7 :return: """ # Translation loss loss = self.loss_fn(pred[:, :3], targ[:, :3]) # Rotation loss loss += self.beta * self.loss_fn(pred[:, 3:], targ[:, 3:]) ## see paper: https://arxiv.org/abs/1704.00390 return loss class DynamicLoss(nn.Module): def __init__(self, sx=0.0, sq=-3.0): super(DynamicLoss, self).__init__() #self.loss_fn = torch.nn.L1Loss() # PoseNet said that L1 was the best self.loss_fn = torch.nn.MSELoss() self.sx = torch.nn.Parameter(torch.Tensor([sx]), requires_grad=True) # Parameter: When a Parameter is associated with a module as a model attribute, it gets added to the parameter list automatically and can be accessed using the 'parameters' iterator. self.sq = torch.nn.Parameter(torch.Tensor([sq]), requires_grad=True) def forward(self, pred, targ): """ :param pred: N x 7 :param targ: N x 7 :return: """ # Translation loss loss = torch.exp(-self.sx) * self.loss_fn(pred[:, :3], targ[:, :3]) + self.sx # Rotation loss loss += torch.exp(-self.sq) * self.loss_fn(pred[:, 3:], targ[:, 3:]) + self.sq ## see paper: https://arxiv.org/abs/1704.00390 return loss

py

synfeal

synfeal-main/models/poselstm.py

from turtle import forward from unicodedata import bidirectional import torch import torch.nn as nn import torch.nn.parallel import torch.utils.data from torch.autograd import Variable import numpy as np import torch.nn.functional as F from torchvision import transforms, models # based on: https://github.com/hazirbas/poselstm-pytorch # paper: https://openaccess.thecvf.com/content_ICCV_2017/papers/Walch_Image-Based_Localization_Using_ICCV_2017_paper.pdf class PoseLSTM(nn.Module): def __init__(self, hidden_size = 128, pretrained = True, aux_logits=True): super(PoseLSTM, self).__init__() self.hidden_size = hidden_size self.aux_logits = aux_logits if pretrained: base_model = models.inception_v3(weights='Inception_V3_Weights.DEFAULT') else: base_model = models.inception_v3() base_model.aux_logits = True self.Conv2d_1a_3x3 = base_model.Conv2d_1a_3x3 self.Conv2d_2a_3x3 = base_model.Conv2d_2a_3x3 self.Conv2d_2b_3x3 = base_model.Conv2d_2b_3x3 self.Conv2d_3b_1x1 = base_model.Conv2d_3b_1x1 self.Conv2d_4a_3x3 = base_model.Conv2d_4a_3x3 self.Mixed_5b = base_model.Mixed_5b self.Mixed_5c = base_model.Mixed_5c self.Mixed_5d = base_model.Mixed_5d self.Mixed_6a = base_model.Mixed_6a self.Mixed_6b = base_model.Mixed_6b self.Mixed_6c = base_model.Mixed_6c self.Mixed_6d = base_model.Mixed_6d self.Mixed_6e = base_model.Mixed_6e self.Mixed_7a = base_model.Mixed_7a self.Mixed_7b = base_model.Mixed_7b self.Mixed_7c = base_model.Mixed_7c if aux_logits: self.aux1 = InceptionAux(288, stride=7, hidden_size = self.hidden_size) self.aux2 = InceptionAux(768, stride=3, hidden_size = self.hidden_size) self.lstm_regression = LstmRegression(dropout_rate=0.5, hidden_size=self.hidden_size) def forward(self, x, verbose=False): # this is where we pass the input into the module # 299 x 299 x 3 x = self.Conv2d_1a_3x3(x) # 149 x 149 x 32 x = self.Conv2d_2a_3x3(x) # 147 x 147 x 32 x = self.Conv2d_2b_3x3(x) # 147 x 147 x 64 x = F.max_pool2d(x, kernel_size=3, stride=2) # 73 x 73 x 64 x = self.Conv2d_3b_1x1(x) # 73 x 73 x 80 x = self.Conv2d_4a_3x3(x) # 71 x 71 x 192 x = F.max_pool2d(x, kernel_size=3, stride=2) # 35 x 35 x 192 x = self.Mixed_5b(x) # mixed is the inception module!! # 35 x 35 x 256 x = self.Mixed_5c(x) # 35 x 35 x 288 x = self.Mixed_5d(x) # 35 x 35 x 288 if self.aux_logits and self.training: pose_aux1 = self.aux1(x) x = self.Mixed_6a(x) # 17 x 17 x 768 x = self.Mixed_6b(x) # 17 x 17 x 768 x = self.Mixed_6c(x) # 17 x 17 x 768 x = self.Mixed_6d(x) # 17 x 17 x 768 x = self.Mixed_6e(x) # 17 x 17 x 768 if self.aux_logits and self.training: pose_aux2 = self.aux2(x) x = self.Mixed_7a(x) # 8 x 8 x 1280 x = self.Mixed_7b(x) # 8 x 8 x 2048 x = self.Mixed_7c(x) # 8 x 8 x 2048 x = F.avg_pool2d(x, kernel_size=8) # 1 x 1 x 2048 # 1 x 1 x 2048 x = x.view(x.size(0), -1) # 2048 pose = self.lstm_regression(x) if self.aux_logits and self.training: return pose_aux1, pose_aux2, pose else: return pose class InceptionAux(nn.Module): def __init__(self, in_channels, stride, hidden_size): super(InceptionAux, self).__init__() self.conv = nn.Conv2d(in_channels=in_channels, out_channels=128, kernel_size=(1,1)) self.fc = nn.Linear(3200, 2048) self.relu = nn.ReLU() self.pool = nn.AvgPool2d(kernel_size=5, stride=stride) self.lstm_regression = LstmRegression(dropout_rate=0.7, hidden_size=hidden_size) def forward(self, x): x = self.pool(x) x = self.relu(self.conv(x)) x = x.reshape(x.shape[0], -1) x = self.relu(self.fc(x)) pose = self.lstm_regression(x) return pose class LstmRegression(nn.Module): def __init__(self, dropout_rate, hidden_size): super(LstmRegression, self).__init__() #TODO: try hidden_size = 32 self.hidden_size = hidden_size self.lstm_lr = nn.LSTM(input_size=64, hidden_size = hidden_size, bidirectional = True, batch_first = True) self.lstm_ud = nn.LSTM(input_size=32, hidden_size = hidden_size, bidirectional = True, batch_first = True) self.pos = nn.Linear(hidden_size*4, 3, bias=True) self.ori = nn.Linear(hidden_size*4, 4, bias=True) self.dropout = nn.Dropout(p=dropout_rate) def forward(self,x): # x is of shape (N,1,2048) x = x.view(x.size(0),32, 64) _, (hidden_state_lr, _) = self.lstm_lr(x.permute(0,1,2)) # to run row by row _, (hidden_state_ud, _) = self.lstm_ud(x.permute(0,2,1)) # to run col by col # hidden_state_lr.shape = [2, batch_size, hidden_size] lstm_vector = torch.cat((hidden_state_lr[0,:,:], hidden_state_lr[1,:,:], hidden_state_ud[0,:,:], hidden_state_ud[1,:,:]), 1) lstm_vector = self.dropout(lstm_vector) pos = self.pos(lstm_vector) ori = self.ori(lstm_vector) pose = torch.cat((pos, ori), dim=1) return pose # if __name__ == "__main__": # model = PoseLSTM() # print(model(torch.rand(10,3,299,299))[0].shape)

py

synfeal

synfeal-main/models/posenet.py

import torch import torch.nn as nn import torch.nn.parallel import torch.utils.data from torch.autograd import Variable import numpy as np import torch.nn.functional as F from torchvision import transforms, models #https://github.com/youngguncho/PoseNet-Pytorch/blob/6c583a345a20ba17f67b76e54a26cf78e2811604/posenet_simple.py#L119 #https://pytorch.org/hub/pytorch_vision_inception_v3/ class PoseNetGoogleNet(nn.Module): def __init__(self, pretrained,dropout_rate=0.0, aux_logits=True): super(PoseNetGoogleNet, self).__init__() self.dropout_rate = dropout_rate self.aux_logits = aux_logits if pretrained: base_model = models.inception_v3(weights='Inception_V3_Weights.DEFAULT') else: base_model = models.inception_v3() base_model.aux_logits = True self.Conv2d_1a_3x3 = base_model.Conv2d_1a_3x3 self.Conv2d_2a_3x3 = base_model.Conv2d_2a_3x3 self.Conv2d_2b_3x3 = base_model.Conv2d_2b_3x3 self.Conv2d_3b_1x1 = base_model.Conv2d_3b_1x1 self.Conv2d_4a_3x3 = base_model.Conv2d_4a_3x3 self.Mixed_5b = base_model.Mixed_5b self.Mixed_5c = base_model.Mixed_5c self.Mixed_5d = base_model.Mixed_5d self.Mixed_6a = base_model.Mixed_6a self.Mixed_6b = base_model.Mixed_6b self.Mixed_6c = base_model.Mixed_6c self.Mixed_6d = base_model.Mixed_6d self.Mixed_6e = base_model.Mixed_6e self.Mixed_7a = base_model.Mixed_7a self.Mixed_7b = base_model.Mixed_7b self.Mixed_7c = base_model.Mixed_7c if aux_logits: self.aux1 = InceptionAux1(288, dropout_rate) self.aux2 = InceptionAux2(768, dropout_rate) # Out 2 self.pos = nn.Linear(2048, 3, bias=True) self.ori = nn.Linear(2048, 4, bias=True) def forward(self, x, verbose=False): # this is where we pass the input into the module # 299 x 299 x 3 x = self.Conv2d_1a_3x3(x) # 149 x 149 x 32 x = self.Conv2d_2a_3x3(x) # 147 x 147 x 32 x = self.Conv2d_2b_3x3(x) # 147 x 147 x 64 x = F.max_pool2d(x, kernel_size=3, stride=2) # 73 x 73 x 64 x = self.Conv2d_3b_1x1(x) # 73 x 73 x 80 x = self.Conv2d_4a_3x3(x) # 71 x 71 x 192 x = F.max_pool2d(x, kernel_size=3, stride=2) # 35 x 35 x 192 x = self.Mixed_5b(x) # mixed is the inception module!! # 35 x 35 x 256 x = self.Mixed_5c(x) # 35 x 35 x 288 x = self.Mixed_5d(x) # 35 x 35 x 288 if self.aux_logits and self.training: pose_aux1 = self.aux1(x) x = self.Mixed_6a(x) # 17 x 17 x 768 x = self.Mixed_6b(x) # 17 x 17 x 768 x = self.Mixed_6c(x) # 17 x 17 x 768 x = self.Mixed_6d(x) # 17 x 17 x 768 x = self.Mixed_6e(x) # 17 x 17 x 768 if self.aux_logits and self.training: pose_aux2 = self.aux2(x) x = self.Mixed_7a(x) # 8 x 8 x 1280 x = self.Mixed_7b(x) # 8 x 8 x 2048 x = self.Mixed_7c(x) # 8 x 8 x 2048 x = F.avg_pool2d(x, kernel_size=8) # 1 x 1 x 2048 x = F.dropout(x, p=self.dropout_rate, training=self.training) # 1 x 1 x 2048 x = x.view(x.size(0), -1) # 2048 pos = self.pos(x) ori = self.ori(x) pose = torch.cat((pos, ori), dim=1) if self.aux_logits and self.training: return pose_aux1, pose_aux2, pose else: return pose class InceptionAux1(nn.Module): def __init__(self, in_channels, dropout_rate): super(InceptionAux1, self).__init__() self.conv = nn.Conv2d(in_channels=in_channels, out_channels=128, kernel_size=(1,1)) self.fc = nn.Linear(3200, 2048) self.pos_aux1 = nn.Linear(in_features=2048, out_features=3) self.ori_aux1 = nn.Linear(in_features=2048, out_features=4) self.relu = nn.ReLU() self.dropout = nn.Dropout(p=dropout_rate) self.pool = nn.AvgPool2d(kernel_size=5, stride=7) def forward(self, x): x = self.pool(x) x = self.relu(self.conv(x)) x = x.reshape(x.shape[0], -1) x = self.relu(self.fc(x)) x = self.dropout(x) pos = self.pos_aux1(x) ori = self.ori_aux1(x) pose = torch.cat((pos, ori), dim=1) return pose class InceptionAux2(nn.Module): def __init__(self, in_channels, dropout_rate): super(InceptionAux2, self).__init__() self.conv = nn.Conv2d(in_channels=in_channels, out_channels=128, kernel_size=(1,1)) self.fc = nn.Linear(3200, 2048) self.pos_aux2 = nn.Linear(in_features=2048, out_features=3) self.ori_aux2 = nn.Linear(in_features=2048, out_features=4) self.relu = nn.ReLU() self.dropout = nn.Dropout(p=dropout_rate) self.pool = nn.AvgPool2d(kernel_size=5, stride=3) def forward(self, x): x = self.pool(x) x = self.relu(self.conv(x)) x = x.reshape(x.shape[0], -1) x = self.relu(self.fc(x)) x = self.dropout(x) pos = self.pos_aux2(x) ori = self.ori_aux2(x) pose = torch.cat((pos, ori), dim=1) return pose class PoseNetResNet(nn.Module): #https://github.com/youngguncho/PoseNet-Pytorch/blob/master/model.py def __init__(self, pretrained, dropout_rate=0.0, aux_logits=False): super(PoseNetResNet, self).__init__() base_model = models.resnet34(pretrained=pretrained) feat_in = base_model.fc.in_features self.aux_logits = aux_logits self.dropout_rate = dropout_rate self.base_model = nn.Sequential(*list(base_model.children())[:-1]) self.fc_last = nn.Linear(feat_in, 2048, bias=True) self.fc_position = nn.Linear(2048, 3, bias=True) self.fc_rotation = nn.Linear(2048, 4, bias=True) init_modules = [self.fc_last, self.fc_position, self.fc_rotation] # init modules accoring to kaiming normal # https://pytorch.org/docs/stable/nn.init.html for module in init_modules: if isinstance(module, nn.Conv2d) or isinstance(module, nn.Linear): nn.init.kaiming_normal_(module.weight) if module.bias is not None: nn.init.constant_(module.bias, 0) def forward(self, x): x = self.base_model(x) x = x.view(x.size(0), -1) x_fully = self.fc_last(x) x = F.relu(x_fully) if self.dropout_rate > 0: x = F.dropout(x, p=self.dropout_rate, training=self.training) position = self.fc_position(x) rotation = self.fc_rotation(x) x_pose = torch.cat((position, rotation), dim=1) return x_pose

py