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mlashcorp/unsharp_mask.cpp

Created January 19, 2012 16:52
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opencv documentation description of unsharp mask algorithm
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unsharp_mask.cpp
// sharpen image using "unsharp mask" algorithm
Mat blurred; double sigma = 1, threshold = 5, amount = 1;
GaussianBlur(img, blurred, Size(), sigma, sigma);
Mat lowConstrastMask = abs(img - blurred) < threshold;
Mat sharpened = img*(1+amount) + blurred*(-amount);
img.copyTo(sharpened, lowContrastMask);
@RoyiAvital
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Hi,
Will it replicate Photoshop's Unsharp Mask result perfectly?

@Ashutosh-Tiwari
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Ashutosh-Tiwari commented May 30, 2018 •
edited
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@mlashcorp How can I use this file in android project? Any links or resources, please?

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