Files
reconstruction/data/dataset.py
T
2022-12-11 22:50:27 +00:00

71 lines
2.3 KiB
Python

import os
import sys
os.environ["CUDA_VISIBLE_DEVICES"] = '1'
import math
import time
import torch
import torchvision as tv
import numpy as np
import scipy.io as sio
import plotly.express as ex
from torch.utils.data import Dataset
from render import Render, DepthRenderer
class Dataset(Dataset):
def __init__(self, folder):
self.folder = folder
self.transforms = tv.transforms.ToTensor()
self.frames = os.listdir(os.path.join(folder, 'mesh_posed'))
self.render = DepthRenderer()
self.body_faces = np.load('custom_data/smpl_faces.npy')
def __len__(self):
return len(self.frames)
def __getitem__(self, idx):
path = os.path.join(self.folder, 'mesh_posed', self.frames[idx])
mesh_posed = np.load(path)['mesh_posed']
id = self.frames[idx].split('_')[0]
faces = np.load(os.path.join(self.folder, 'faces', id + '.npy'))
mask = np.load(os.path.join(self.folder, 'mesh_mask', id + '.npy'))
body = np.load(os.path.join(self.folder, 'mesh_body_posed', self.frames[idx][:-1] + 'y'))
info_folder = '/home/workspace/data/dataset/' + ('train' if self.folder.split('/')[-1] == 'train' else 'validation') + '/' + id + '/info.mat'
info = sio.loadmat(info_folder)
combined = torch.Tensor(np.concatenate((body, mesh_posed[mask, :]))).to('cuda')
combined_faces = torch.Tensor(np.concatenate((self.body_faces, faces + 14475))).to('cuda')
start = time.perf_counter()
# depth_image = self.render.render(mesh_posed[mask, :], faces, info['camLoc'][0])[:,:,0]
# depth_image = self.render.render(combined, combined_faces, info['camLoc'][0])[:,:,0]
depth_image = self.render(combined, combined_faces, info['camLoc'][0])
t = time.perf_counter() - start
print(t)
# image = self.transforms(image)
return { 'mesh_posed': mesh_posed, 'depth_image': depth_image, 'mask': mask }
if __name__ == '__main__':
from torch.utils.data import DataLoader
device = "cuda" if torch.cuda.is_available() else "cpu"
dataset = Dataset('/home/workspace/local-data/train')
train_dataloader = DataLoader(dataset, batch_size=4, drop_last=True, shuffle=True)
for batch in train_dataloader:
batch
pass
pass