forked from mrq/DL-Art-School
105 lines
3.6 KiB
Python
105 lines
3.6 KiB
Python
import sys
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import os.path as osp
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import math
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import torchvision.utils
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sys.path.append(osp.dirname(osp.dirname(osp.abspath(__file__))))
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from data import create_dataloader, create_dataset # noqa: E402
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from utils import util # noqa: E402
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def main():
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dataset = 'DIV2K800_sub' # REDS | Vimeo90K | DIV2K800_sub
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opt = {}
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opt['dist'] = False
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opt['gpu_ids'] = [0]
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if dataset == 'REDS':
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opt['name'] = 'test_REDS'
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opt['dataroot_GT'] = '../../datasets/REDS/train_sharp_wval.lmdb'
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opt['dataroot_LQ'] = '../../datasets/REDS/train_sharp_bicubic_wval.lmdb'
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opt['mode'] = 'REDS'
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opt['N_frames'] = 5
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opt['phase'] = 'train'
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opt['use_shuffle'] = True
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opt['n_workers'] = 8
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opt['batch_size'] = 16
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opt['GT_size'] = 256
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opt['LQ_size'] = 64
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opt['scale'] = 4
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opt['use_flip'] = True
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opt['use_rot'] = True
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opt['interval_list'] = [1]
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opt['random_reverse'] = False
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opt['border_mode'] = False
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opt['cache_keys'] = None
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opt['data_type'] = 'lmdb' # img | lmdb | mc
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elif dataset == 'Vimeo90K':
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opt['name'] = 'test_Vimeo90K'
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opt['dataroot_GT'] = '../../datasets/vimeo90k/vimeo90k_train_GT.lmdb'
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opt['dataroot_LQ'] = '../../datasets/vimeo90k/vimeo90k_train_LR7frames.lmdb'
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opt['mode'] = 'Vimeo90K'
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opt['N_frames'] = 7
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opt['phase'] = 'train'
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opt['use_shuffle'] = True
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opt['n_workers'] = 8
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opt['batch_size'] = 16
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opt['GT_size'] = 256
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opt['LQ_size'] = 64
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opt['scale'] = 4
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opt['use_flip'] = True
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opt['use_rot'] = True
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opt['interval_list'] = [1]
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opt['random_reverse'] = False
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opt['border_mode'] = False
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opt['cache_keys'] = None
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opt['data_type'] = 'lmdb' # img | lmdb | mc
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elif dataset == 'DIV2K800_sub':
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opt['name'] = 'DIV2K800'
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opt['dataroot_GT'] = '../../datasets/DIV2K/DIV2K800_sub.lmdb'
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opt['dataroot_LQ'] = '../../datasets/DIV2K/DIV2K800_sub_bicLRx4.lmdb'
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opt['mode'] = 'LQGT'
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opt['phase'] = 'train'
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opt['use_shuffle'] = True
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opt['n_workers'] = 8
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opt['batch_size'] = 16
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opt['GT_size'] = 128
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opt['scale'] = 4
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opt['use_flip'] = True
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opt['use_rot'] = True
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opt['color'] = 'RGB'
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opt['data_type'] = 'lmdb' # img | lmdb
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else:
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raise ValueError('Please implement by yourself.')
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util.mkdir('tmp')
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train_set = create_dataset(opt)
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train_loader = create_dataloader(train_set, opt, opt, None)
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nrow = int(math.sqrt(opt['batch_size']))
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padding = 2 if opt['phase'] == 'train' else 0
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print('start...')
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for i, data in enumerate(train_loader):
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if i > 5:
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break
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print(i)
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if dataset == 'REDS' or dataset == 'Vimeo90K':
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LQs = data['LQs']
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else:
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LQ = data['LQ']
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GT = data['GT']
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if dataset == 'REDS' or dataset == 'Vimeo90K':
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for j in range(LQs.size(1)):
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torchvision.utils.save_image(LQs[:, j, :, :, :],
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'tmp/LQ_{:03d}_{}.png'.format(i, j), nrow=nrow,
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padding=padding, normalize=False)
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else:
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torchvision.utils.save_image(LQ, 'tmp/LQ_{:03d}.png'.format(i), nrow=nrow,
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padding=padding, normalize=False)
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torchvision.utils.save_image(GT, 'tmp/GT_{:03d}.png'.format(i), nrow=nrow, padding=padding,
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normalize=False)
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if __name__ == "__main__":
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main()
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