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Fix the interpolation logic error in resize_image()

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The original code had a mistake. It used 'lanczos' when the image got smaller (width > resized_width and height > resized_height) and 'area' when it stayed the same or got bigger. This was the wrong way. 'area' is better for big shrinking.
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Lex Song
2025-04-02 03:32:36 +08:00
parent ede3470260
commit b822b7e60b
1 changed files with 5 additions and 2 deletions
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7
library/utils.py
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@@ -421,8 +421,11 @@ def resize_image(image: np.ndarray, width: int, height: int, resized_width: int,
resized_height = int(resized_height)
if resize_interpolation is None:
resize_interpolation = "lanczos" if width > resized_width and height > resized_height else "area"
if width >= resized_width and height >= resized_height:
resize_interpolation = "area"
else:
resize_interpolation = "lanczos"
# we use PIL for lanczos (for backward compatibility) and box, cv2 for others
use_pil = resize_interpolation in ["lanczos", "lanczos4", "box"]