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beothorn/enhanceShadows.py

Created January 20, 2018 18:43
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Enhances shadows from given image args: original destination brightness
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enhanceShadows.py
from PIL import Image, ImageFilter, ImageChops, ImageEnhance
import sys
original_img = sys.argv[1]
dest_img = sys.argv[2]
mask_strength = sys.argv[3]
original = Image.open(original_img)
gray = original.convert("LA")
blurred = gray.filter(ImageFilter.GaussianBlur(radius=5))
blurred = blurred.convert("RGB")
enhancer = ImageEnhance.Brightness(blurred)
blurred = enhancer.enhance(float(mask_strength))
multiplied= ImageChops.multiply(original, blurred)
multiplied.save(dest_img)
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