ComfyUI-Image-Toolkit

AlphaToGrayscale

Converts alpha channel (transparency) to grayscale values. Functions as the inverse transformation of BrightnessTransparency, restoring brightness information that was expressed as transparency back to grayscale images.

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AntialiasingImage

Applies antialiasing effects to images. Smooths edges by first upscaling the image and then returning it to the original size.

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BinarizeImage

Binarizes images. Areas brighter than the specified threshold become white (1.0), while darker areas become black (0.0).

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BinarizeImageUsingOtsu

Automatically binarizes images using Otsu's binarization algorithm. Automatically calculates the optimal threshold and separates light and dark areas in the image.

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BrightnessTransparency

Adjusts transparency based on brightness. Bright areas become transparent, while dark areas remain opaque.

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GrayscaleImage

Converts color images to grayscale. Processes RGB values uniformly to generate grayscale images.

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RemoveWhiteBackgroundNoise

Removes noise mixed in white backgrounds. Performs binarization with the specified threshold and replaces white background areas with pure white to remove noise.

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