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| # Copyright (c) Meta Platforms, Inc. and affiliates. | |
| # All rights reserved. | |
| # | |
| # This source code is licensed under the license found in the | |
| # LICENSE file in the root directory of this source tree. | |
| import argparse | |
| import os.path as osp | |
| import mmengine | |
| from mmengine import Config, DictAction | |
| from mmengine.registry import init_default_scope | |
| from mmdet.registry import DATASETS, VISUALIZERS | |
| def parse_args(): | |
| parser = argparse.ArgumentParser(description='Browse a dataset') | |
| parser.add_argument('config', help='train config file path') | |
| parser.add_argument( | |
| '--output-dir', | |
| default=None, | |
| type=str, | |
| help='If there is no display interface, you can save it') | |
| parser.add_argument('--show', default=True, action='store_true') | |
| parser.add_argument( | |
| '--show-interval', | |
| type=float, | |
| default=2, | |
| help='the interval of show (s)') | |
| parser.add_argument( | |
| '--cfg-options', | |
| nargs='+', | |
| action=DictAction, | |
| help='override some settings in the used config, the key-value pair ' | |
| 'in xxx=yyy format will be merged into config file. If the value to ' | |
| 'be overwritten is a list, it should be like key="[a,b]" or key=a,b ' | |
| 'It also allows nested list/tuple values, e.g. key="[(a,b),(c,d)]" ' | |
| 'Note that the quotation marks are necessary and that no white space ' | |
| 'is allowed.') | |
| args = parser.parse_args() | |
| return args | |
| def main(): | |
| args = parse_args() | |
| cfg = Config.fromfile(args.config) | |
| if args.cfg_options is not None: | |
| cfg.merge_from_dict(args.cfg_options) | |
| init_default_scope(cfg.get('default_scope', 'mmdet')) | |
| dataset = DATASETS.build(cfg.train_dataloader.dataset) | |
| visualizer = VISUALIZERS.build(cfg.visualizer) | |
| visualizer.dataset_meta = dataset.metainfo | |
| progress_bar = mmengine.ProgressBar(len(dataset)) | |
| for idx, item in enumerate(dataset): # inputs data_samples | |
| data_sample = item['data_samples'] | |
| input = item['inputs'] | |
| for img_idx in range(len(data_sample)): | |
| img_data_sample = data_sample[img_idx] | |
| img_path = img_data_sample.img_path | |
| img = input[img_idx].permute(1, 2, 0).numpy() | |
| out_file = osp.join( | |
| args.output_dir, | |
| str(idx).zfill(6), | |
| f'img_{img_idx}.jpg') if args.output_dir is not None else None | |
| img = img[..., [2, 1, 0]] # bgr to rgb | |
| visualizer.add_datasample( | |
| osp.basename(img_path), | |
| img, | |
| data_sample=img_data_sample, | |
| draw_pred=False, | |
| show=args.show, | |
| wait_time=args.show_interval, | |
| out_file=out_file) | |
| # Record file path mapping. | |
| if args.output_dir is not None: | |
| with open( | |
| osp.join(args.output_dir, | |
| str(idx).zfill(6), 'info.txt'), 'a') as f: | |
| f.write(f'The source filepath of img_{img_idx}.jpg' | |
| f'is `{img_path}`.\n') | |
| progress_bar.update() | |
| if __name__ == '__main__': | |
| main() | |