# -*- coding: utf-8 -*- # Max-Planck-Gesellschaft zur Förderung der Wissenschaften e.V. (MPG) is # holder of all proprietary rights on this computer program. # You can only use this computer program if you have closed # a license agreement with MPG or you get the right to use the computer # program from someone who is authorized to grant you that right. # Any use of the computer program without a valid license is prohibited and # liable to prosecution. # # Copyright©2019 Max-Planck-Gesellschaft zur Förderung # der Wissenschaften e.V. (MPG). acting on behalf of its Max Planck Institute # for Intelligent Systems. All rights reserved. # # Contact: ps-license@tuebingen.mpg.de import os import lib.smplx as smplx from lib.pymaf.utils.geometry import rotation_matrix_to_angle_axis, batch_rodrigues from lib.pymaf.utils.imutils import process_image from lib.pymaf.core import path_config from lib.pymaf.models import pymaf_net from lib.common.config import cfg from lib.common.render import Render from lib.dataset.body_model import TetraSMPLModel from lib.dataset.mesh_util import get_visibility, SMPLX import os.path as osp import torch import numpy as np import random from termcolor import colored from PIL import ImageFile from huggingface_hub import cached_download ImageFile.LOAD_TRUNCATED_IMAGES = True class TestDataset(): def __init__(self, cfg, device): random.seed(1993) self.image_path = cfg['image_path'] self.seg_dir = cfg['seg_dir'] self.has_det = cfg['has_det'] self.hps_type = cfg['hps_type'] self.smpl_type = 'smpl' if cfg['hps_type'] != 'pixie' else 'smplx' self.smpl_gender = 'neutral' self.device = device self.subject_list = [self.image_path] # smpl related self.smpl_data = SMPLX() self.get_smpl_model = lambda smpl_type, smpl_gender: smplx.create( model_path=self.smpl_data.model_dir, gender=smpl_gender, model_type=smpl_type, ext='npz') # Load SMPL model self.smpl_model = self.get_smpl_model( self.smpl_type, self.smpl_gender).to(self.device) self.faces = self.smpl_model.faces self.hps = pymaf_net(path_config.SMPL_MEAN_PARAMS, pretrained=True).to(self.device) self.hps.load_state_dict(torch.load( path_config.CHECKPOINT_FILE)['model'], strict=True) self.hps.eval() print(colored(f"Using {self.hps_type} as HPS Estimator\n", "green")) self.render = Render(size=512, device=device) def __len__(self): return len(self.subject_list) def compute_vis_cmap(self, smpl_verts, smpl_faces): (xy, z) = torch.as_tensor(smpl_verts).split([2, 1], dim=1) smpl_vis = get_visibility(xy, -z, torch.as_tensor(smpl_faces).long()) if self.smpl_type == 'smpl': smplx_ind = self.smpl_data.smpl2smplx(np.arange(smpl_vis.shape[0])) else: smplx_ind = np.arange(smpl_vis.shape[0]) smpl_cmap = self.smpl_data.get_smpl_mat(smplx_ind) return { 'smpl_vis': smpl_vis.unsqueeze(0).to(self.device), 'smpl_cmap': smpl_cmap.unsqueeze(0).to(self.device), 'smpl_verts': smpl_verts.unsqueeze(0) } def compute_voxel_verts(self, body_pose, global_orient, betas, trans, scale): smpl_path = cached_download(osp.join(self.smpl_data.model_dir, "smpl/SMPL_NEUTRAL.pkl"), use_auth_token=os.environ['ICON']) tetra_path = cached_download(osp.join(self.smpl_data.tedra_dir, 'tetra_neutral_adult_smpl.npz'), use_auth_token=os.environ['ICON']) smpl_model = TetraSMPLModel(smpl_path, tetra_path, 'adult') pose = torch.cat([global_orient[0], body_pose[0]], dim=0) smpl_model.set_params(rotation_matrix_to_angle_axis(pose), beta=betas[0]) verts = np.concatenate( [smpl_model.verts, smpl_model.verts_added], axis=0) * scale.item() + trans.detach().cpu().numpy() faces = np.loadtxt(cached_download(osp.join(self.smpl_data.tedra_dir, 'tetrahedrons_neutral_adult.txt'), use_auth_token=os.environ['ICON']), dtype=np.int32) - 1 pad_v_num = int(8000 - verts.shape[0]) pad_f_num = int(25100 - faces.shape[0]) verts = np.pad(verts, ((0, pad_v_num), (0, 0)), mode='constant', constant_values=0.0).astype(np.float32) * 0.5 faces = np.pad(faces, ((0, pad_f_num), (0, 0)), mode='constant', constant_values=0.0).astype(np.int32) verts[:, 2] *= -1.0 voxel_dict = { 'voxel_verts': torch.from_numpy(verts).to(self.device).unsqueeze(0).float(), 'voxel_faces': torch.from_numpy(faces).to(self.device).unsqueeze(0).long(), 'pad_v_num': torch.tensor(pad_v_num).to(self.device).unsqueeze(0).long(), 'pad_f_num': torch.tensor(pad_f_num).to(self.device).unsqueeze(0).long() } return voxel_dict def __getitem__(self, index): img_path = self.subject_list[index] img_name = img_path.split("/")[-1].rsplit(".", 1)[0] if self.seg_dir is None: img_icon, img_hps, img_ori, img_mask, uncrop_param = process_image( img_path, self.hps_type, 512, self.device) data_dict = { 'name': img_name, 'image': img_icon.to(self.device).unsqueeze(0), 'ori_image': img_ori, 'mask': img_mask, 'uncrop_param': uncrop_param } else: img_icon, img_hps, img_ori, img_mask, uncrop_param, segmentations = process_image( img_path, self.hps_type, 512, self.device, seg_path=os.path.join(self.seg_dir, f'{img_name}.json')) data_dict = { 'name': img_name, 'image': img_icon.to(self.device).unsqueeze(0), 'ori_image': img_ori, 'mask': img_mask, 'uncrop_param': uncrop_param, 'segmentations': segmentations } with torch.no_grad(): # import ipdb; ipdb.set_trace() preds_dict = self.hps.forward(img_hps) data_dict['smpl_faces'] = torch.Tensor( self.faces.astype(np.int16)).long().unsqueeze(0).to( self.device) if self.hps_type == 'pymaf': output = preds_dict['smpl_out'][-1] scale, tranX, tranY = output['theta'][0, :3] data_dict['betas'] = output['pred_shape'] data_dict['body_pose'] = output['rotmat'][:, 1:] data_dict['global_orient'] = output['rotmat'][:, 0:1] data_dict['smpl_verts'] = output['verts'] elif self.hps_type == 'pare': data_dict['body_pose'] = preds_dict['pred_pose'][:, 1:] data_dict['global_orient'] = preds_dict['pred_pose'][:, 0:1] data_dict['betas'] = preds_dict['pred_shape'] data_dict['smpl_verts'] = preds_dict['smpl_vertices'] scale, tranX, tranY = preds_dict['pred_cam'][0, :3] elif self.hps_type == 'pixie': data_dict.update(preds_dict) data_dict['body_pose'] = preds_dict['body_pose'] data_dict['global_orient'] = preds_dict['global_pose'] data_dict['betas'] = preds_dict['shape'] data_dict['smpl_verts'] = preds_dict['vertices'] scale, tranX, tranY = preds_dict['cam'][0, :3] elif self.hps_type == 'hybrik': data_dict['body_pose'] = preds_dict['pred_theta_mats'][:, 1:] data_dict['global_orient'] = preds_dict['pred_theta_mats'][:, [0]] data_dict['betas'] = preds_dict['pred_shape'] data_dict['smpl_verts'] = preds_dict['pred_vertices'] scale, tranX, tranY = preds_dict['pred_camera'][0, :3] scale = scale * 2 elif self.hps_type == 'bev': data_dict['betas'] = torch.from_numpy(preds_dict['smpl_betas'])[ [0], :10].to(self.device).float() pred_thetas = batch_rodrigues(torch.from_numpy( preds_dict['smpl_thetas'][0]).reshape(-1, 3)).float() data_dict['body_pose'] = pred_thetas[1:][None].to(self.device) data_dict['global_orient'] = pred_thetas[[0]][None].to(self.device) data_dict['smpl_verts'] = torch.from_numpy( preds_dict['verts'][[0]]).to(self.device).float() tranX = preds_dict['cam_trans'][0, 0] tranY = preds_dict['cam'][0, 1] + 0.28 scale = preds_dict['cam'][0, 0] * 1.1 data_dict['scale'] = scale data_dict['trans'] = torch.tensor( [tranX, tranY, 0.0]).to(self.device).float() # data_dict info (key-shape): # scale, tranX, tranY - tensor.float # betas - [1,10] / [1, 200] # body_pose - [1, 23, 3, 3] / [1, 21, 3, 3] # global_orient - [1, 1, 3, 3] # smpl_verts - [1, 6890, 3] / [1, 10475, 3] # from rot_mat to rot_6d for better optimization N_body = data_dict["body_pose"].shape[1] data_dict["body_pose"] = data_dict["body_pose"][:, :, :, :2].reshape(1, N_body,-1) data_dict["global_orient"] = data_dict["global_orient"][:, :, :, :2].reshape(1, 1,-1) return data_dict def render_normal(self, verts, faces): # render optimized mesh (normal, T_normal, image [-1,1]) self.render.load_meshes(verts, faces) return self.render.get_rgb_image() def render_depth(self, verts, faces): # render optimized mesh (normal, T_normal, image [-1,1]) self.render.load_meshes(verts, faces) return self.render.get_depth_map(cam_ids=[0, 2])