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56 lines
1.9 KiB
56 lines
1.9 KiB
#!/usr/bin/env python |
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import random |
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import os.path as osp |
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from functools import reduce, partial |
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from common import (get_default_parser, get_path_tuples, create_file_list, |
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link_dataset, random_split, create_label_list) |
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CLASSES = ('aircraft', 'oiltank', 'overpass', 'playground') |
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SUBSETS = ('train', 'val', 'test') |
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SUBDIRS = ('JPEGImages', osp.sep.join(['Annotation', 'xml'])) |
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FILE_LIST_PATTERN = "{subset}.txt" |
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LABEL_LIST_NAME = "labels.txt" |
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URL = "" |
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if __name__ == '__main__': |
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parser = get_default_parser() |
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parser.add_argument('--seed', type=int, default=None, help="Random seed.") |
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parser.add_argument( |
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'--ratios', |
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type=float, |
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nargs='+', |
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default=(0.7, 0.2, 0.1), |
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help="Ratios of each subset (train/val or train/val/test).") |
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args = parser.parse_args() |
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if args.seed is not None: |
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random.seed(args.seed) |
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if len(args.ratios) not in (2, 3): |
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raise ValueError("Wrong number of ratios!") |
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out_dir = osp.join(args.out_dataset_dir, |
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osp.basename(osp.normpath(args.in_dataset_dir))) |
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link_dataset(args.in_dataset_dir, args.out_dataset_dir) |
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splits_list = [] |
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for cls in CLASSES: |
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path_tuples = get_path_tuples( |
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*(osp.join(out_dir, cls, subdir) for subdir in SUBDIRS), |
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data_dir=args.out_dataset_dir) |
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splits = random_split(path_tuples, ratios=args.ratios) |
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splits_list.append(splits) |
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splits = map(partial(reduce, list.__add__), zip(*splits_list)) |
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for subset, split in zip(SUBSETS, splits): |
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file_list = osp.join( |
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args.out_dataset_dir, FILE_LIST_PATTERN.format(subset=subset)) |
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create_file_list(file_list, split) |
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print(f"Write file list to {file_list}.") |
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label_list = osp.join(args.out_dataset_dir, LABEL_LIST_NAME) |
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create_label_list(label_list, CLASSES) |
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print(f"Write label list to {label_list}.")
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