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Sharpen an image

Sharpen transformation allows users to enhance the edges and details of an image to make it appear clearer and more defined. This can be done to improve the overall quality of an image or to highlight certain features.

This will improve the quality of an image.


Sigma (s)

When used without parameters, performs a fast, mild sharpening of the output image. When sigma is provided, performs a slower, more accurate sharpening of the L channel in the LAB color space.

The minimum sigma value is 0.1 and the maximum sigma value is 10. The default value is 1.5.

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