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Fix Albu Transform in transforms.py #3770

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Fix Albu Transform in transforms.py #3770

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17fefc9
fix: albu transform with redundant keys
RanFeng2 Sep 11, 2024
e73af75
fix: replace comment using English
RanFeng2 Sep 11, 2024
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19 changes: 13 additions & 6 deletions mmseg/datasets/transforms/transforms.py
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Original file line number Diff line number Diff line change
Expand Up @@ -2424,31 +2424,38 @@ def transform(self, results):
# dict to albumentations format
results = self.mapper(results, self.keymap_to_albu)

albumentations_results = {
k: results.pop(k) for k in ['image', 'mask'] if k in results
}

# Convert to RGB since Albumentations works with RGB images
if self.bgr_to_rgb:
results['image'] = cv2.cvtColor(results['image'],
albumentations_results['image'] = cv2.cvtColor(albumentations_results['image'],
cv2.COLOR_BGR2RGB)
if self.additional_targets:
for key, value in self.additional_targets.items():
if value == 'image':
results[key] = cv2.cvtColor(results[key],
albumentations_results[key] = cv2.cvtColor(albumentations_results[key],
cv2.COLOR_BGR2RGB)

# Apply Transform
results = self.aug(**results)
albumentations_results = self.aug(**albumentations_results)

# Convert back to BGR
if self.bgr_to_rgb:
results['image'] = cv2.cvtColor(results['image'],
albumentations_results['image'] = cv2.cvtColor(albumentations_results['image'],
cv2.COLOR_RGB2BGR)
if self.additional_targets:
for key, value in self.additional_targets.items():
if value == 'image':
results[key] = cv2.cvtColor(results['image2'],
albumentations_results[key] = cv2.cvtColor(albumentations_results['image2'],
cv2.COLOR_RGB2BGR)

# back to the original format
results = self.mapper(results, self.keymap_back)
albumentations_results = self.mapper(albumentations_results, self.keymap_back)

# Update corresponding keys in the original `results`
results.update(albumentations_results)

# update final shape
if self.update_pad_shape:
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