375 lines
16 KiB
Python
375 lines
16 KiB
Python
import os
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import sys
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# os.environ["CUDA_VISIBLE_DEVICES"] = '0,1,2,3'
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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 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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from data.cloth3d_io import readPC2, readPC2Frame
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from data.dataset_cape import DatasetCape
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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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frames = [Frame(frame.split('.')[0], frame.split('.')[1]) for frame in frames]
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else:
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frames = [frame.split('.')[0] for frame in frames] # .split('_')[0]
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frames = [Frame(frame.split('_')[0], frame.split('_')[1]) for frame in frames]
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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], is_cape=False, device='cuda') -> 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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assert set(resolutions).issubset(set([32, 64, 128, 256, 512]))
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self.resolutions = resolutions
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self.is_cape = is_cape
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self.device = device
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if is_cape:
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self.uv_masks = dict()
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uv_mask = torch.tensor(np.load('custom_data/garment_uv_mask_full.npy').astype(np.int32), device=device)
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self.uv_masks[512] = uv_mask.to(torch.float32).cpu().numpy()
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for res in [32, 64, 128, 256]:
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down = Resize(size=(res, int(res/2)), interpolation=InterpolationMode.NEAREST_EXACT)(uv_mask[None,:,:])
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down = torch.squeeze(down).to(torch.float32)
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self.uv_masks[res] = down.cpu().numpy()
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def read(self, id, garment):
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data = dict()
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mesh_mask = np.load(os.path.join(self.folder, 'mesh_mask', f'{id}_{garment}.npy')); mesh_mask = mesh_mask.astype(bool)
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data['mesh_mask'] = mesh_mask
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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, f'uv_static{res_string}', f'{id}_{garment}.npz')); uv_static = uv_static['uv_static']; 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, f'uv_mask{res_string}', f'{id}_{garment}.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', f'{id}_{garment}.npy'))
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data['mesh_static'] = np.zeros((14475, 3), dtype=np.float32)
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data['mesh_static'][mesh_mask] = mesh_static.astype(np.float32)
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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, frame) -> dict:
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if frame not in self.store:
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item = self.read(frame.id, frame.garment)
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stored_data = { key: torch.from_numpy(value).to('cpu') for key, value in item.items()}
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for key, value in stored_data.items():
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if key.startswith('uv_') and value.shape[-1] == 3:
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stored_data[key] = torch.permute(value, [2,0,1])
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self.store[frame] = stored_data
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data = { key: value.to(self.device) for key, value in self.store[frame].items()}
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return data
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def read_frames_file(frames_file, shuffle=False):
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frames = []
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with open(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], int(line.split()[1]), line.split()[2]) 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 DatasetCloth3D(torch.utils.data.Dataset):
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def __init__(self, folder, signature, resolutions=[512], frames_file='', 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_file(os.path.join(folder, frames_file), shuffle=True)
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self.static_cache = StaticCache(folder, signature, is_cape=is_cape, resolutions=resolutions, device=device)
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self.cache = dict() if use_cache else None
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ids = set([frame.id for frame in self.frames])
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self.pose_cache = dict()
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for id in ids:
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self.pose_cache[id] = np.load(os.path.join(self.folder, 'pose', f'{id}.npy'))
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self.shape_cache = dict()
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for id in ids:
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self.shape_cache[id] = np.load(os.path.join(self.folder, 'shape', f'{id}.npy'))
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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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data = { key: (value.to(self.device) if type(value) == torch.Tensor else value) for key, value in self.cache[frame].items()}
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data = { **data, **self.static_cache[frame.id] }
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return data
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item = dict()
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mesh_mask = self.static_cache[frame]['mesh_mask'].cpu().numpy().astype(bool)
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item['id'] = frame.id
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item['frame_nr'] = frame.frame_nr
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item['garment'] = frame.garment
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if 'pose_shape' in self.signature:
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pose = self.pose_cache[frame.id][frame.frame_nr]
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pose[:3] = 0
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item['pose_shape'] = np.concatenate((pose, self.shape_cache[frame.id]), axis=0)
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if 'mesh_body_posed' in self.signature:
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mesh_body_posed_no_orient = readPC2Frame(os.path.join(self.folder, 'mesh_body_posed_no_orient', f'{frame.id}.pc16'), frame.frame_nr, True)
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item['mesh_body_posed'] = mesh_body_posed_no_orient
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if 'mesh_posed' in self.signature:
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mesh_posed = readPC2Frame(os.path.join(self.folder, 'mesh_posed_no_orient', f'{frame.id}_{frame.garment}.pc16'), frame.frame_nr, True)
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item['mesh_posed'] = np.zeros((14475, 3), dtype=np.float32)
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item['mesh_posed'][mesh_mask] = mesh_posed
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if 'mesh_unposed' in self.signature:
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mesh_unposed_no_shape = readPC2Frame(os.path.join(self.folder, 'mesh_unposed_no_shape', f'{frame.id}_{frame.garment}.pc16'), frame.frame_nr, True)
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item['mesh_unposed'] = np.zeros((14475, 3), dtype=np.float32)
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item['mesh_unposed'][mesh_mask] = mesh_unposed_no_shape
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if 'mesh_normals' in self.signature:
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mesh_normals = readPC2Frame(os.path.join(self.folder, 'mesh_normals', f'{frame.id}_{frame.garment}.pc16'), frame.frame_nr, True)
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item['mesh_normals'] = np.zeros((14475, 3), dtype=np.float32)
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item['mesh_normals'][mesh_mask] = mesh_normals
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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_normals' + res_string in self.signature:
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uv_normals = np.load(os.path.join(self.folder, 'uv_normals' + res_string, f'{frame.id}_{frame.frame_nr}_{frame.garment}.npz')); uv_normals = uv_normals['uv_normals']
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item['uv_normals' + res_string] = uv_normals
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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, f'{frame.id}_{frame.frame_nr}_{frame.garment}.npz')); uv_unposed_no_shape = uv_unposed_no_shape['uv_unposed']
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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_body_posed_no_orient = np.load(os.path.join(self.folder, 'uv_body_posed_no_orient' + res_string, f'{frame.id}_{frame.frame_nr}.npz')); uv_body_posed_no_orient = uv_body_posed_no_orient['uv_body_posed']
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item['uv_body_posed' + res_string] = uv_body_posed_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, f'{frame.id}_{frame.frame_nr}_{frame.garment}.npz')); uv_posed = uv_posed['uv_posed']
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item['uv_posed' + res_string] = uv_posed
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data = { key: (torch.from_numpy(value) if not (type(value) == str or type(value) == torch.Tensor or type(value) == int) else value) for key, value in item.items()}
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for key, value in data.items():
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if key.startswith('uv_') and (value.shape[-1] == 3 or value.shape[-1] == 7):
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data[key] = torch.permute(value, [2,0,1])
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if self.cache is not None:
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self.cache[frame] = data
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data = { key: (value.to(self.device) if type(value) == torch.Tensor else value) for key, value in data.items()}
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data = { **data, **self.static_cache[frame] }
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return data
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def Dataset(folder, signature, resolutions=[512], frames_file='', device='cuda', use_cache=False, is_cape=False):
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if not is_cape:
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return DatasetCloth3D(folder, signature, resolutions=resolutions, frames_file=frames_file, device=device, use_cache=use_cache, is_cape=False)
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else:
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return DatasetCape(folder, signature, resolutions=resolutions, frames_file=frames_file, device=device, use_cache=use_cache, is_cape=True)
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if __name__ == '__main__':
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from torch.utils.data import DataLoader
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import plotly.graph_objects as go
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import plotly.express as ex
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from plotly.subplots import make_subplots
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from custom_utils.custom_utils import _maskFaces
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F = np.load('smpl/smpl_faces.npy')
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F_skirt = np.load('smpl/smpl_faces_skirt.npy')
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device = "cuda" if torch.cuda.is_available() else "cpu"
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signature = { '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_normals',
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'mesh_normals',
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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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}
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dataset = Dataset('/data-local/127/cloth3d_processed', signature, resolutions=[512], device=device, frames_file='frames_train.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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b = 0
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mesh_mask = batch['mesh_mask'][b].cpu().numpy()
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faces = F_skirt if batch['garment'][b] in ['Skirt', 'Dress'] else F
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_, faces = _maskFaces(np.zeros((14475, 3)), faces, mesh_mask)
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mesh_static = batch['mesh_static'][b].cpu().numpy()[mesh_mask]
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mesh_posed = batch['mesh_posed'][b].cpu().numpy()[mesh_mask]
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mesh_unposed = batch['mesh_unposed'][b].cpu().numpy()[mesh_mask]
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mesh_body_posed = batch['mesh_body_posed'][b].cpu().numpy()
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fig = make_subplots(rows=2, cols=2,
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specs=[[{'type': 'mesh3d'}, {'type': 'mesh3d'}],
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[{'type': 'mesh3d'}, {'type': 'mesh3d'}]])
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fig.add_trace(go.Mesh3d(x=mesh_static[:,0], y=mesh_static[:,2], z=mesh_static[:,1], i=faces[:,0], j=faces[:,1], k=faces[:,2], opacity=1), row=1, col=1)
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fig.add_trace(go.Mesh3d(x=mesh_posed[:,0], y=mesh_posed[:,2], z=mesh_posed[:,1], i=faces[:,0], j=faces[:,1], k=faces[:,2], opacity=1), row=1, col=2)
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fig.add_trace(go.Mesh3d(x=mesh_unposed[:,0], y=mesh_unposed[:,2], z=mesh_unposed[:,1], i=faces[:,0], j=faces[:,1], k=faces[:,2], opacity=1), row=2, col=1)
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fig.add_trace(go.Mesh3d(x=mesh_body_posed[:,0], y=mesh_body_posed[:,2], z=mesh_body_posed[:,1], i=F[:,0], j=F[:,1], k=F[:,2], opacity=1), row=2, col=2)
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fig.update_layout(scene=dict(xaxis=dict(range=[-1, 1], autorange=False),
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yaxis=dict(range=[-1, 1], autorange=False),
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zaxis=dict(range=[-1, 1], autorange=False),
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aspectmode='cube'),
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scene2=dict(xaxis=dict(range=[-1, 1], autorange=False),
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yaxis=dict(range=[-1, 1], autorange=False),
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zaxis=dict(range=[-1, 1], autorange=False),
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aspectmode='cube'),
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scene3=dict(xaxis=dict(range=[-1, 1], autorange=False),
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yaxis=dict(range=[-1, 1], autorange=False),
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zaxis=dict(range=[-1, 1], autorange=False),
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aspectmode='cube'),
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scene4=dict(xaxis=dict(range=[-1, 1], autorange=False),
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yaxis=dict(range=[-1, 1], autorange=False),
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zaxis=dict(range=[-1, 1], autorange=False),
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aspectmode='cube'))
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fig.show()
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uv_mask = batch['uv_mask'][b].cpu().numpy()
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uv_mask = np.repeat(uv_mask[np.newaxis, :, :], 3, axis=0)
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uv_static = (batch['uv_static'][b].cpu().numpy() + 1) / 2
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uv_posed = (batch['uv_posed'][b].cpu().numpy() + 1) / 2
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uv_unposed = (batch['uv_unposed'][b].cpu().numpy() + 1) / 2
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uv_body_posed = (batch['uv_body_posed'][b].cpu().numpy() + 1) / 2
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uv_normals = (batch['uv_normals'][b].cpu().numpy() + 1.5) / 3
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img = np.concatenate([uv_mask, uv_static, uv_posed, uv_unposed, uv_body_posed, uv_normals], axis=2)
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img = np.transpose(img, (1, 2, 0))
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ex.imshow(img).show()
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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_normals'][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() |