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import copy
import itertools
import logging
import os
from pathlib import Path
import numpy as np
import torch.utils.data
from detectron2.config import CfgNode as CN
import utils
from datasets import FlowPairDetectron, FlowEvalDetectron
logger = logging.getLogger('gwm')
def scan_train_flow(folders, res, pairs, basepath):
pair_list = [p for p in itertools.combinations(pairs, 2)]
flow_dir = {}
for pair in pair_list:
p1, p2 = pair
flowpairs = []
for f in folders:
path1 = basepath / f'Flows_gap{p1}' / res / f
path2 = basepath / f'Flows_gap{p2}' / res / f
flows1 = [p.name for p in path1.glob('*.flo')]
flows2 = [p.name for p in path2.glob('*.flo')]
flows1 = sorted(flows1)
flows2 = sorted(flows2)
intersect = list(set(flows1).intersection(flows2))
intersect.sort()
flowpair = np.array([[path1 / i, path2 / i] for i in intersect])
flowpairs += [flowpair]
flow_dir['gap_{}_{}'.format(p1, p2)] = flowpairs
# flow_dir is a dictionary, with keys indicating the flow gap, and each value is a list of sequence names,
# each item then is an array with Nx2, N indicates the number of available pairs.
return flow_dir
def setup_dataset(cfg=None, multi_val=False):
dataset_str = cfg.GWM.DATASET
if '+' in dataset_str:
datasets = dataset_str.split('+')
logger.info(f'Multiple datasets detected: {datasets}')
train_datasets = []
val_datasets = []
for ds in datasets:
proxy_cfg = copy.deepcopy(cfg)
proxy_cfg.merge_from_list(['GWM.DATASET', ds]),
train_ds, val_ds = setup_dataset(proxy_cfg, multi_val=multi_val)
train_datasets.append(train_ds)
val_datasets.append(val_ds)
logger.info(f'Multiple datasets detected: {datasets}')
logger.info(f'Validation is still : {datasets[0]}')
return torch.utils.data.ConcatDataset(train_datasets), val_datasets[0]
resolution = cfg.GWM.RESOLUTION # h,w
res = ""
with_gt = True
pairs = [1, 2, -1, -2]
trainval_data_dir = None
if cfg.GWM.DATASET == 'DAVIS':
basepath = '/DAVIS2016'
img_dir = '/DAVIS2016/JPEGImages/480p'
gt_dir = '/DAVIS2016/Annotations/480p'
val_flow_dir = '/DAVIS2016/Flows_gap1/1080p'
val_seq = ['dog', 'cows', 'goat', 'camel', 'libby', 'parkour', 'soapbox', 'blackswan', 'bmx-trees',
'kite-surf', 'car-shadow', 'breakdance', 'dance-twirl', 'scooter-black', 'drift-chicane',
'motocross-jump', 'horsejump-high', 'drift-straight', 'car-roundabout', 'paragliding-launch']
val_data_dir = [val_flow_dir, img_dir, gt_dir]
res = "1080p"
elif cfg.GWM.DATASET in ['FBMS']:
basepath = '/FBMS_clean'
img_dir = '/FBMS_clean/JPEGImages/'
gt_dir = '/FBMS_clean/Annotations/'
val_flow_dir = '/FBMS_val/Flows_gap1/'
val_seq = ['camel01', 'cars1', 'cars10', 'cars4', 'cars5', 'cats01', 'cats03', 'cats06',
'dogs01', 'dogs02', 'farm01', 'giraffes01', 'goats01', 'horses02', 'horses04',
'horses05', 'lion01', 'marple12', 'marple2', 'marple4', 'marple6', 'marple7', 'marple9',
'people03', 'people1', 'people2', 'rabbits02', 'rabbits03', 'rabbits04', 'tennis']
val_img_dir = '/FBMS_val/JPEGImages/'
val_gt_dir = '/FBMS_val/Annotations/'
val_data_dir = [val_flow_dir, val_img_dir, val_gt_dir]
with_gt = False
pairs = [3, 6, -3, -6]
elif cfg.GWM.DATASET in ['STv2']:
basepath = '/SegTrackv2'
img_dir = '/SegTrackv2/JPEGImages'
gt_dir = '/SegTrackv2/Annotations'
val_flow_dir = '/SegTrackv2/Flows_gap1/'
val_seq = ['drift', 'birdfall', 'girl', 'cheetah', 'worm', 'parachute', 'monkeydog',
'hummingbird', 'soldier', 'bmx', 'frog', 'penguin', 'monkey', 'bird_of_paradise']
val_data_dir = [val_flow_dir, img_dir, gt_dir]
else:
raise ValueError('Unknown Setting/Dataset.')
# Switching this section to pathlib, which should prevent double // errors in paths and dict keys
root_path_str = cfg.GWM.DATA_ROOT
logger.info(f"Found DATA_ROOT in config: {root_path_str}")
root_path_str = '../data'
if root_path_str.startswith('/'):
root_path = Path(f"/{root_path_str.lstrip('/').rstrip('/')}")
else:
root_path = Path(f"{root_path_str.lstrip('/').rstrip('/')}")
logger.info(f"Loading dataset from: {root_path}")
basepath = root_path / basepath.lstrip('/').rstrip('/')
img_dir = root_path / img_dir.lstrip('/').rstrip('/')
gt_dir = root_path / gt_dir.lstrip('/').rstrip('/')
val_data_dir = [root_path / path.lstrip('/').rstrip('/') for path in val_data_dir]
folders = [p.name for p in (basepath / f'Flows_gap{pairs[0]}' / res).iterdir() if p.is_dir()]
folders = sorted(folders)
# flow_dir is a dictionary, with keys indicating the flow gap, and each value is a list of sequence names,
# each item then is an array with Nx2, N indicates the number of available pairs.
flow_dir = scan_train_flow(folders, res, pairs, basepath)
data_dir = [flow_dir, img_dir, gt_dir]
force1080p = ('DAVIS' not in cfg.GWM.DATASET) and 'RGB_BIG' in cfg.GWM.SAMPLE_KEYS
enable_photometric_augmentations = cfg.FLAGS.INF_TPS
train_dataset = FlowPairDetectron(data_dir=data_dir,
resolution=resolution,
to_rgb=cfg.GWM.FLOW2RGB,
size_divisibility=cfg.MODEL.MASK_FORMER.SIZE_DIVISIBILITY if not cfg.FLAGS.IGNORE_SIZE_DIV else -1,
enable_photo_aug=enable_photometric_augmentations,
flow_clip=cfg.GWM.FLOW_CLIP,
norm=cfg.GWM.FLOW_NORM,
force1080p=force1080p,
flow_res=cfg.GWM.FLOW_RES, )
if multi_val:
print(f"Using multiple validation datasets from {val_data_dir}")
val_dataset = [FlowEvalDetectron(data_dir=val_data_dir,
resolution=resolution,
pair_list=pairs,
val_seq=[vs],
to_rgb=cfg.GWM.FLOW2RGB,
with_rgb=False,
size_divisibility=cfg.MODEL.MASK_FORMER.SIZE_DIVISIBILITY if not cfg.FLAGS.IGNORE_SIZE_DIV else -1,
flow_clip=cfg.GWM.FLOW_CLIP,
norm=cfg.GWM.FLOW_NORM,
force1080p=force1080p) for vs in val_seq]
for vs, vds in zip(val_seq, val_dataset):
print(f"Validation dataset for {vs}: {len(vds)}")
if len(vds) == 0:
raise ValueError(f"Empty validation dataset for {vs}")
if cfg.GWM.TTA_AS_TRAIN:
if trainval_data_dir is None:
trainval_data_dir = val_data_dir
else:
trainval_data_dir = [root_path / path.lstrip('/').rstrip('/') for path in trainval_data_dir]
trainval_dataset = []
tvd_basepath = root_path / str(trainval_data_dir[0].relative_to(root_path)).split('/')[0]
print("TVD BASE DIR", tvd_basepath)
for vs in val_seq:
tvd_data_dir = [scan_train_flow([vs], res, pairs, tvd_basepath), *trainval_data_dir[1:]]
tvd = FlowPairDetectron(data_dir=tvd_data_dir,
resolution=resolution,
to_rgb=cfg.GWM.FLOW2RGB,
size_divisibility=cfg.MODEL.MASK_FORMER.SIZE_DIVISIBILITY if not cfg.FLAGS.IGNORE_SIZE_DIV else -1,
enable_photo_aug=cfg.GWM.LOSS_MULT.EQV is not None,
flow_clip=cfg.GWM.FLOW_CLIP,
norm=cfg.GWM.FLOW_NORM,
force1080p=force1080p,
flow_res=cfg.GWM.FLOW_RES, )
trainval_dataset.append(tvd)
print(f'Seq {trainval_data_dir[0]}/{vs} dataset: {len(tvd)}')
else:
if trainval_data_dir is None:
trainval_dataset = val_dataset
else:
trainval_data_dir = [root_path / path.lstrip('/').rstrip('/') for path in trainval_data_dir]
trainval_dataset = []
for vs in val_seq:
tvd = FlowEvalDetectron(data_dir=trainval_data_dir,
resolution=resolution,
pair_list=pairs,
val_seq=[vs],
to_rgb=cfg.GWM.FLOW2RGB,
with_rgb=False,
size_divisibility=cfg.MODEL.MASK_FORMER.SIZE_DIVISIBILITY if not cfg.FLAGS.IGNORE_SIZE_DIV else -1,
flow_clip=cfg.GWM.FLOW_CLIP,
norm=cfg.GWM.FLOW_NORM,
force1080p=force1080p)
trainval_dataset.append(tvd)
print(f'Seq {trainval_data_dir[0]}/{vs} dataset: {len(tvd)}')
return train_dataset, val_dataset, trainval_dataset
val_dataset = FlowEvalDetectron(data_dir=val_data_dir,
resolution=resolution,
pair_list=pairs,
val_seq=val_seq,
to_rgb=cfg.GWM.FLOW2RGB,
with_rgb=False,
size_divisibility=cfg.MODEL.MASK_FORMER.SIZE_DIVISIBILITY if not cfg.FLAGS.IGNORE_SIZE_DIV else -1,
flow_clip=cfg.GWM.FLOW_CLIP,
norm=cfg.GWM.FLOW_NORM,
force1080p=force1080p)
return train_dataset, val_dataset
def loaders(cfg):
train_dataset, val_dataset = setup_dataset(cfg)
logger.info(f"Sourcing data from {val_dataset.data_dir[0]}")
if cfg.FLAGS.DEV_DATA:
subset = cfg.SOLVER.IMS_PER_BATCH * 3
train_dataset = torch.utils.data.Subset(train_dataset, list(range(subset)))
val_dataset = torch.utils.data.Subset(val_dataset, list(range(subset)))
g = torch.Generator()
data_generator_seed = int(torch.randint(int(1e6), (1,)).item())
logger.info(f"Dataloaders generator seed {data_generator_seed}")
g.manual_seed(data_generator_seed)
train_loader = torch.utils.data.DataLoader(train_dataset,
num_workers=cfg.DATALOADER.NUM_WORKERS,
batch_size=cfg.SOLVER.IMS_PER_BATCH,
collate_fn=lambda x: x,
shuffle=True,
pin_memory=True,
drop_last=True,
persistent_workers=cfg.DATALOADER.NUM_WORKERS > 0,
worker_init_fn=utils.random_state.worker_init_function,
generator=g
)
val_loader = torch.utils.data.DataLoader(val_dataset,
num_workers=cfg.DATALOADER.NUM_WORKERS,
batch_size=1,
shuffle=False,
pin_memory=True,
collate_fn=lambda x: x,
drop_last=False,
persistent_workers=cfg.DATALOADER.NUM_WORKERS > 0,
worker_init_fn=utils.random_state.worker_init_function,
generator=g)
return train_loader, val_loader
def multi_loaders(cfg):
train_dataset, val_datasets, train_val_datasets = setup_dataset(cfg, multi_val=True)
logger.info(f"Sourcing multiple loaders from {len(val_datasets)}")
logger.info(f"Sourcing data from {val_datasets[0].data_dir[0]}")
g = torch.Generator()
data_generator_seed = int(torch.randint(int(1e6), (1,)).item())
logger.info(f"Dataloaders generator seed {data_generator_seed}")
g.manual_seed(data_generator_seed)
train_loader = torch.utils.data.DataLoader(train_dataset,
num_workers=cfg.DATALOADER.NUM_WORKERS,
batch_size=cfg.SOLVER.IMS_PER_BATCH,
collate_fn=lambda x: x,
shuffle=True,
pin_memory=True,
drop_last=True,
persistent_workers=cfg.DATALOADER.NUM_WORKERS > 0,
worker_init_fn=utils.random_state.worker_init_function,
generator=g
)
val_loaders = [(torch.utils.data.DataLoader(val_dataset,
num_workers=0,
batch_size=1,
shuffle=False,
pin_memory=True,
collate_fn=lambda x: x,
drop_last=False,
persistent_workers=False,
worker_init_fn=utils.random_state.worker_init_function,
generator=g),
torch.utils.data.DataLoader(tv_dataset,
num_workers=0,
batch_size=cfg.SOLVER.IMS_PER_BATCH,
shuffle=True,
pin_memory=False,
collate_fn=lambda x: x,
drop_last=False,
persistent_workers=False,
worker_init_fn=utils.random_state.worker_init_function,
generator=g))
for val_dataset, tv_dataset in zip(val_datasets, train_val_datasets)]
return train_loader, val_loaders
def add_gwm_config(cfg):
cfg.GWM = CN()
cfg.GWM.MODEL = "MASKFORMER"
cfg.GWM.RESOLUTION = (128, 224)
cfg.GWM.FLOW_RES = (480, 854)
cfg.GWM.SAMPLE_KEYS = ["rgb"]
cfg.GWM.ADD_POS_EMB = False
cfg.GWM.CRITERION = "L2"
cfg.GWM.L1_OPTIMIZE = False
cfg.GWM.HOMOGRAPHY = 'quad' # False
cfg.GWM.HOMOGRAPHY_SUBSAMPLE = 8
cfg.GWM.HOMOGRAPHY_SKIP = 0.4
cfg.GWM.DATASET = 'DAVIS'
cfg.GWM.DATA_ROOT = None
cfg.GWM.FLOW2RGB = False
cfg.GWM.SIMPLE_REC = False
cfg.GWM.DAVIS_SINGLE_VID = None
cfg.GWM.USE_MULT_FLOW = False
cfg.GWM.FLOW_COLORSPACE_REC = None
cfg.GWM.FLOW_CLIP_U_LOW = float('-inf')
cfg.GWM.FLOW_CLIP_U_HIGH = float('inf')
cfg.GWM.FLOW_CLIP_V_LOW = float('-inf')
cfg.GWM.FLOW_CLIP_V_HIGH = float('inf')
cfg.GWM.FLOW_CLIP = float('inf')
cfg.GWM.FLOW_NORM = False
cfg.GWM.LOSS_MULT = CN()
cfg.GWM.LOSS_MULT.REC = 0.03
cfg.GWM.LOSS_MULT.HEIR_W = [0.1, 0.3, 0.6]
cfg.GWM.TTA = 100 # Test-time-adaptation
cfg.GWM.TTA_AS_TRAIN = False # Use train-like data logic for test-time-adaptation
cfg.GWM.LOSS = 'OG'
cfg.FLAGS = CN()
cfg.FLAGS.MAKE_VIS_VIDEOS = False # Making videos is kinda slow
cfg.FLAGS.EXTENDED_FLOW_RECON_VIS = False # Does not cost much
cfg.FLAGS.COMP_NLL_FOR_GT = False # Should we log loss against ground truth?
cfg.FLAGS.DEV_DATA = False
cfg.FLAGS.KEEP_ALL = True # Keep all checkoints
cfg.FLAGS.ORACLE_CHECK = False # Use oracle check to estimate max performance when grouping multiple components
cfg.FLAGS.INF_TPS = False
# cfg.FLAGS.UNFREEZE_AT = [(1, 10000), (0, 20000), (-1, 30000)]
cfg.FLAGS.UNFREEZE_AT = [(4, 0), (2, 500), (1, 1000), (-1, 10000)]
cfg.FLAGS.IGNORE_SIZE_DIV = False
cfg.FLAGS.IGNORE_TMP = True
cfg.WANDB = CN()
cfg.WANDB.ENABLE = False
cfg.WANDB.BASEDIR = '../'
cfg.DEBUG = False
cfg.LOG_ID = 'exp'
cfg.LOG_FREQ = 250
cfg.OUTPUT_BASEDIR = '../outputs'
cfg.SLURM = False
cfg.SKIP_TB = False
cfg.TOTAL_ITER = 20000
cfg.CONFIG_FILE = None
if os.environ.get('SLURM_JOB_ID', None):
cfg.LOG_ID = os.environ.get('SLURM_JOB_NAME', cfg.LOG_ID)
logger.info(f"Setting name {cfg.LOG_ID} based on SLURM job name")
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