Smart Sharpening

Posted by kasrak
Created Jan 6, 2007
Category Retouching
Views 7,943
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This technique does two "smart" things to avoid sharpening noise: sharpens only the luminosity data in the image, thus avoiding shifts to the hue and saturation components (which affect color), and targets only the edges in the image, avoiding large smooth areas that may contain noise.




Tutorial at GimpGuru.org

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