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fix: normalization to prevent divison-by-zero #155

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merged 1 commit into from
Jan 22, 2025
Merged

fix: normalization to prevent divison-by-zero #155

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8 changes: 7 additions & 1 deletion depthai_nodes/ml/parsers/utils/denormalize.py
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Original file line number Diff line number Diff line change
Expand Up @@ -13,7 +13,13 @@ def unnormalize_image(image, normalize=True):
"""
# Normalize the image tensor to the range [0, 1]
if normalize:
image = (image - image.min()) / (image.max() - image.min())
min_val = image.min()
max_val = image.max()
if max_val != min_val:
image = (image - min_val) / (max_val - min_val)
else:
# Handle the case where all values in the image are the same
image = image - min_val

# Scale to [0, 255] and clip the values to be in the proper range
image = image * 255.0
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