297 lines
12 KiB
Python
297 lines
12 KiB
Python
import os
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import sys
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os.environ["CUDA_VISIBLE_DEVICES"] = '6'
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import math
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import time
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import torch
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import random
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import pytorch3d
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import torchvision as tv
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import numpy as np
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import scipy.io as sio
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import plotly.express as ex
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import torchvision
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from torch.utils.data import Dataset
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from torchvision.transforms import Resize
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from torchvision.transforms.functional import InterpolationMode
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sys.path.append(os.path.dirname(os.path.abspath(__file__)) + '/..')
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from data.utils import Frame
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def read_frames(folder, shuffle=True, is_cape=False, testing=False, frames_file=None):
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if frames_file is None:
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uv_static_folder = os.path.join(folder, 'pose_shape')
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frames = sorted(os.listdir(uv_static_folder))
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if is_cape:
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frames = ['.'.join(frame.split('.')[:-1]) for frame in frames] # .split('_')[0]
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else:
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frames = [frame.split('.')[0] for frame in frames] # .split('_')[0]
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if testing:
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frames = sorted(os.listdir(os.path.join(folder, 'mesh_static') ))
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frames = [frame.split('.')[0] + '_4' for frame in frames]
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if frames_file is not None:
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frames = []
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with open(os.path.join(folder, frames_file), 'r') as f:
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lines = f.readlines()
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lines = [line.strip() for line in lines]
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frames = [Frame(line.split('_')[0], line.split('_')[1]) for line in lines]
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if shuffle:
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random.shuffle(frames)
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return frames
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class StaticCache():
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def __init__(self, folder, signature, resolutions=[512], in_memory=True, is_cape=False) -> None:
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self.store = dict()
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self.signature = signature
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self.folder = folder
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self.in_memory = in_memory
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assert set(resolutions).issubset(set([32, 64, 128, 256, 512]))
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self.resolutions = resolutions
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self.filled = ''
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self.is_cape = is_cape
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if is_cape:
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self.uv_masks = dict()
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uv_mask = np.load('custom_data/garment_uv_mask_full.npy').astype(np.int32)
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self.uv_masks[512] = uv_mask.astype(np.float32)
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for res in [32, 64, 128, 256]:
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down = Resize(uv_mask[:,:,None], size=(res, int(res/2)), interpolation=InterpolationMode.NEAREST)
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down = np.squeeze(down.numpy().astype(np.float32))
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self.uv_masks[res] = down
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def read(self, id):
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data = dict()
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for res in self.resolutions:
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res_string = ''
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if res != 512:
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res_string = '_' + str(res)
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if 'uv_static' + res_string in self.signature:
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uv_static = np.load(os.path.join(self.folder, 'uv_static' + self.filled + res_string, id + '.npz')); uv_static = uv_static['uv_static' + self.filled]; data['uv_static' + res_string] = uv_static
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if 'uv_mask' + res_string in self.signature:
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if self.is_cape:
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data['uv_mask' + res_string] = self.uv_masks[res]
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else:
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uv_mask = np.load(os.path.join(self.folder, 'uv_mask' + res_string, id + '.npz')); uv_mask=uv_mask['uv_mask']; uv_mask = uv_mask.astype(np.float32); data['uv_mask' + res_string] = uv_mask
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if 'mesh_static' in self.signature:
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mesh_static = np.load(os.path.join(self.folder, 'mesh_static', id + '.npz')); mesh_static = mesh_static['mesh_static']; data['mesh_static'] = mesh_static.astype(np.float32)
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if 'mesh_mask' in self.signature:
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if self.is_cape:
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data['mesh_mask'] = np.ones((3638), np.float32)
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else:
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mesh_mask = np.load(os.path.join(self.folder, 'mesh_mask', id + '.npy')); mesh_mask = mesh_mask.astype(np.float32); data['mesh_mask'] = mesh_mask
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# if 'uv_shaped_body' in self.signature:
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# uv_shaped_body = np.load(os.path.join(self.folder, 'uv_shaped_body', id + '.npz')); uv_shaped_body = uv_shaped_body['uv_shaped_body']; data['uv_shaped_body'] = uv_shaped_body
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return data
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def __getitem__(self, id) -> dict:
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if id not in self.store:
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item = self.read(id)
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if not self.in_memory:
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return item
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else:
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self.store[id] = item
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return self.store[id]
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def expand_batch(self, batch):
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batch_size = batch['id'].shape[0]
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items = []
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for i in range(batch_size):
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items.append(self.__getitem__(batch['id'][i].numpy().decode('UTF-8')))
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for key in items[0].keys():
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batch[key] = torch.stack([item[key] for item in items], dim=0)
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return batch
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class Dataset(Dataset):
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def __init__(self, folder, signature, resolutions, frames_file='frames_all.txt', device='cuda', use_cache=False, is_cape=False):
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self.folder = folder
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self.device = device
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self.is_cape = is_cape
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self.signature = signature
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self.resolutions = resolutions
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self.transforms = tv.transforms.ToTensor()
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self.frames = read_frames(folder, frames_file=frames_file, is_cape=is_cape, shuffle=True)
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self.body_faces = np.load('smpl/smpl_faces.npy')
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self.static_cache = StaticCache(folder, signature, is_cape=is_cape)
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self.cache = dict() if use_cache else None
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def __len__(self):
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return len(self.frames)
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def __getitem__(self, idx):
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frame : Frame = self.frames[idx]
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if self.cache is not None:
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if frame in self.cache.keys():
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return self.cache[frame]
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separator = '_'
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if self.is_cape:
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separator = '.'
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uv_posed_body_no_orient_folder_name = 'uv_posed_body_no_orient_2'
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if self.is_cape:
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uv_posed_body_no_orient_folder_name = 'uv_posed_body_no_orient'
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item = dict()
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if 'id' in self.signature:
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item['id'] = frame.id
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if 'frame_nr' in self.signature:
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item['frame_nr'] = frame.frame_nr
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if 'pose_shape' in self.signature:
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pose_shape = np.load(os.path.join(self.folder, 'pose_shape', frame.id + separator + frame.frame_nr + '.npy'))
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pose_shape[:3] = 0
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item['pose_shape'] = pose_shape
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if 'mesh_body_posed' in self.signature:
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mesh_posed_body_no_orient = np.load(os.path.join(self.folder, 'mesh_posed_body_no_orient', frame.id + separator + frame.frame_nr + '.npz')); mesh_posed_body_no_orient = mesh_posed_body_no_orient['mesh_posed_body_no_orient']
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item['mesh_body_posed'] = mesh_posed_body_no_orient
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if 'mesh_posed' in self.signature:
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mesh_posed = np.load(os.path.join(self.folder, 'mesh_posed_no_orient', frame.id + separator + frame.frame_nr + '.npz')); mesh_posed = mesh_posed['mesh_posed_no_orient'].astype(np.float32)
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item['mesh_posed'] = mesh_posed
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if 'mesh_unposed' in self.signature:
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mesh_unposed_no_shape = np.load(os.path.join(self.folder, 'mesh_unposed_no_shape', frame.id + separator + frame.frame_nr + '.npz')); mesh_unposed_no_shape = mesh_unposed_no_shape['mesh_unposed_no_shape']
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item['mesh_unposed'] = mesh_unposed_no_shape
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if 'mesh_curvature' in self.signature:
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mesh_curvature = np.load(os.path.join(self.folder, 'mesh_curvature', frame.id + separator + frame.frame_nr + '.npz')); mesh_curvature = mesh_curvature['mesh_curvature']
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item['mesh_curvature'] = mesh_curvature.astype(np.int32)
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for res in self.resolutions:
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res_string = ''
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if res != 512:
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res_string = '_' + str(res)
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if 'uv_curvature' + res_string in self.signature:
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uv_curvature = np.load(os.path.join(self.folder, 'uv_curvature' + res_string, frame.id + separator + frame.frame_nr + '.npz'));
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if res_string != '':
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uv_curvature = uv_curvature['uv_curvature']
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else:
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uv_curvature = uv_curvature['curvature_uv']
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uv_curvature = torch.nn.functional.one_hot(torch.tensor(uv_curvature, device=self.device, dtype=torch.long), 7).to(self.device)
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item['uv_curvature' + res_string] = uv_curvature
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if 'uv_unposed' + res_string in self.signature:
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uv_unposed_no_shape = np.load(os.path.join(self.folder, 'uv_unposed_no_shape' + res_string, frame.id + separator + frame.frame_nr + '.npz')); uv_unposed_no_shape = uv_unposed_no_shape['uv_unposed_no_shape']
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item['uv_unposed' + res_string] = uv_unposed_no_shape
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if 'uv_body_posed' + res_string in self.signature:
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uv_posed_body_no_orient = np.load(os.path.join(self.folder, uv_posed_body_no_orient_folder_name + res_string, frame.id + separator + frame.frame_nr + '.npz'))
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uv_posed_body_no_orient = uv_posed_body_no_orient['uv_posed_body_no_orient']
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item['uv_body_posed' + res_string] = uv_posed_body_no_orient
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if 'uv_posed' + res_string in self.signature:
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uv_posed = np.load(os.path.join(self.folder, 'uv_posed_no_orient' + res_string, frame.id + separator + frame.frame_nr + '.npz')); uv_posed = uv_posed['uv_posed_no_orient']
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item['uv_posed' + res_string] = uv_posed
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data = { **item, **self.static_cache[frame.id] }
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data = { key: (torch.from_numpy(value).to(self.device) if not (type(value) == str or type(value) == torch.Tensor) else value) for key, value in data.items()}
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if self.cache is not None:
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self.cache[frame] = data
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return data
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if __name__ == '__main__':
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from torch.utils.data import DataLoader
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device = "cuda" if torch.cuda.is_available() else "cpu"
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signature = { 'id',
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'frame_nr',
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'pose_shape',
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'uv_posed',
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'uv_body_posed',
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'mesh_body_posed',
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'mesh_posed',
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'mesh_unposed',
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'uv_unposed',
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'uv_curvature',
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'mesh_curvature',
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'uv_static',
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'mesh_static',
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'mesh_mask',
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'uv_mask',
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'uv_shaped_body',
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}
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dataset = Dataset('/data-local/127/train', signature, resolutions=[512], device=device, frames_file='frames_jumpsuit.txt')
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train_dataloader = DataLoader(dataset, batch_size=4, drop_last=True, shuffle=False)
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for batch in train_dataloader:
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batch
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pass
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pass
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# if __name__ == '__main__':
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# os.environ["CUDA_VISIBLE_DEVICES"] = "6"
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# from custom_utils.custom_utils import batch_to_dict, UV2Mesh, _maskFaces
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# import plotly.graph_objects as go
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# import plotly.express as ex
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# # import cmapy as cm
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# uv2mesh = UV2Mesh(is_skirt=True)
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# F = np.load("custom_utils/smpl_faces.npy")
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# sum_uv = np.zeros((512, 256, 3), dtype=np.float32)
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# sum_mask = np.zeros((512, 256), dtype=np.float32)
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# for i, batch in enumerate(dataset):
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# print(i)
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# batch = static_dataset.expand_batch(batch_to_dict(batch, signature_dynamic))
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# ex.imshow(batch['uv_curvature'][0].numpy().argmax(-1) / 6.0).show()
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# sum_uv += batch['uv_unposed'].numpy().sum(axis=0)
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# sum_mask += batch['uv_mask'].numpy().sum(axis=0)
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# sum_mask[sum_mask == 0] = 1
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# avg_garment = sum_uv / sum_mask[:, :, np.newaxis]
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# # x = np.transpose(avg_garment, [1,2,0])
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# x = uv2mesh(avg_garment[tf.newaxis,:,:,:])[0]
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# go.Figure(data=[
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# go.Mesh3d(
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# # 8 vertices of a cube
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# x=x[:,0],
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# y=x[:,1],
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# z=x[:,2],
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# # i, j and k give the vertices of triangles
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# i = F[:,0],
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# j = F[:,1],
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# k = F[:,2]
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# )]).show()
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# np.save('custom_data/train_dress_30k_no_shape_avg_uv.npy', avg_garment)
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# print() |