make white part of a picture transparent
Project description
background_mask
Utility for adding alpha channel for white background region of a picture.
How to use
Make sure you install Pillow first. Then type python background_mask.py [--threshold 240] input_image_file_name and you get the generated image named with ..._mask.png.
Situtation for usage
When you download an image from Internet, the alpha channel does not exist. Use this utility script can make the whilte region of the picture transparent.
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