Real-ESRGAN / scripts /generate_meta_info_pairdata.py
AK391
updates
810c8ea
import argparse
import glob
import os
def main(args):
txt_file = open(args.meta_info, 'w')
# sca images
img_paths_gt = sorted(glob.glob(os.path.join(args.input[0], '*')))
img_paths_lq = sorted(glob.glob(os.path.join(args.input[1], '*')))
assert len(img_paths_gt) == len(img_paths_lq), ('GT folder and LQ folder should have the same length, but got '
f'{len(img_paths_gt)} and {len(img_paths_lq)}.')
for img_path_gt, img_path_lq in zip(img_paths_gt, img_paths_lq):
# get the relative paths
img_name_gt = os.path.relpath(img_path_gt, args.root[0])
img_name_lq = os.path.relpath(img_path_lq, args.root[1])
print(f'{img_name_gt}, {img_name_lq}')
txt_file.write(f'{img_name_gt}, {img_name_lq}\n')
if __name__ == '__main__':
"""This script is used to generate meta info (txt file) for paired images.
"""
parser = argparse.ArgumentParser()
parser.add_argument(
'--input',
nargs='+',
default=['datasets/DF2K/DIV2K_train_HR_sub', 'datasets/DF2K/DIV2K_train_LR_bicubic_X4_sub'],
help='Input folder, should be [gt_folder, lq_folder]')
parser.add_argument('--root', nargs='+', default=[None, None], help='Folder root, will use the ')
parser.add_argument(
'--meta_info',
type=str,
default='datasets/DF2K/meta_info/meta_info_DIV2K_sub_pair.txt',
help='txt path for meta info')
args = parser.parse_args()
assert len(args.input) == 2, 'Input folder should have two elements: gt folder and lq folder'
assert len(args.root) == 2, 'Root path should have two elements: root for gt folder and lq folder'
os.makedirs(os.path.dirname(args.meta_info), exist_ok=True)
for i in range(2):
if args.input[i].endswith('/'):
args.input[i] = args.input[i][:-1]
if args.root[i] is None:
args.root[i] = os.path.dirname(args.input[i])
main(args)