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Repair convert_coco() box-segment discarding (#6689)

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Co-authored-by: Glenn Jocher <glenn.jocher@ultralytics.com>
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Ileal16 2023-11-30 13:49:24 +01:00 • committed by GitHub
parent 2e71f7f50e
commit 16639b60eb
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2 changed files with 15 additions and 16 deletions
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29
ultralytics/data/converter.py
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@ -118,22 +118,21 @@ def convert_coco(labels_dir='../coco/annotations/',
box = [cls] + box.tolist()
if box not in bboxes:
bboxes.append(box)
if use_segments and ann.get('segmentation') is not None:
if len(ann['segmentation']) == 0:
segments.append([])
continue
elif len(ann['segmentation']) > 1:
s = merge_multi_segment(ann['segmentation'])
s = (np.concatenate(s, axis=0) / np.array([w, h])).reshape(-1).tolist()
else:
s = [j for i in ann['segmentation'] for j in i] # all segments concatenated
s = (np.array(s).reshape(-1, 2) / np.array([w, h])).reshape(-1).tolist()
s = [cls] + s
if s not in segments:
if use_segments and ann.get('segmentation') is not None:
if len(ann['segmentation']) == 0:
segments.append([])
continue
elif len(ann['segmentation']) > 1:
s = merge_multi_segment(ann['segmentation'])
s = (np.concatenate(s, axis=0) / np.array([w, h])).reshape(-1).tolist()
else:
s = [j for i in ann['segmentation'] for j in i] # all segments concatenated
s = (np.array(s).reshape(-1, 2) / np.array([w, h])).reshape(-1).tolist()
s = [cls] + s
segments.append(s)
if use_keypoints and ann.get('keypoints') is not None:
keypoints.append(box + (np.array(ann['keypoints']).reshape(-1, 3) /
np.array([w, h, 1])).reshape(-1).tolist())
if use_keypoints and ann.get('keypoints') is not None:
keypoints.append(box + (np.array(ann['keypoints']).reshape(-1, 3) /
np.array([w, h, 1])).reshape(-1).tolist())
# Write
with open((fn / f).with_suffix('.txt'), 'a') as file: