How to boost the pixel difference of an image.
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How to find the pixel difference of an image and how to boost the intensity of it.
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Image Analyst
le 23 Août 2012
I'm not sure what you mean by pixel difference. Do you want to define that? Maybe it is:
pixelDifference = max(grayImage(:)) - min(grayImage(:));
Or perhaps you mean
pixelDifference = conv2(grayImage, [-1 -1 -1;-1 8 -1;-1 -1 -1]/8);
Or you could try imadjust() to increase the contrast (expand the histogram).
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