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import argparse
import os
from pathlib import Path
import mmcv
from mmcv import Config, DictAction
from mmdet.core.utils import mask2ndarray
from mmdet.core.visualization import imshow_det_bboxes
from mmdet.datasets.builder import build_dataset
def parse_args():
parser = argparse.ArgumentParser(description='Browse a dataset')
parser.add_argument('config', help='train config file path')
parser.add_argument(
'--skip-type',
type=str,
nargs='+',
default=['DefaultFormatBundle', 'Normalize', 'Collect'],
help='skip some useless pipeline')
parser.add_argument(
'--output-dir',
default=None,
type=str,
help='If there is no display interface, you can save it')
parser.add_argument('--not-show', default=False, 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 retrieve_data_cfg(config_path, skip_type, cfg_options):
cfg = Config.fromfile(config_path)
if cfg_options is not None:
cfg.merge_from_dict(cfg_options)
# import modules from string list.
if cfg.get('custom_imports', None):
from mmcv.utils import import_modules_from_strings
import_modules_from_strings(**cfg['custom_imports'])
train_data_cfg = cfg.data.train
train_data_cfg['pipeline'] = [
x for x in train_data_cfg.pipeline if x['type'] not in skip_type
]
return cfg
def main():
args = parse_args()
cfg = retrieve_data_cfg(args.config, args.skip_type, args.cfg_options)
dataset = build_dataset(cfg.data.train)
progress_bar = mmcv.ProgressBar(len(dataset))
for item in dataset:
filename = os.path.join(args.output_dir,
Path(item['filename']).name
) if args.output_dir is not None else None
gt_masks = item.get('gt_masks', None)
if gt_masks is not None:
gt_masks = mask2ndarray(gt_masks)
imshow_det_bboxes(
item['img'],
item['gt_bboxes'],
item['gt_labels'],
gt_masks,
class_names=dataset.CLASSES,
show=not args.not_show,
wait_time=args.show_interval,
out_file=filename,
bbox_color=(255, 102, 61),
text_color=(255, 102, 61))
progress_bar.update()
if __name__ == '__main__':
main()