Talk:Image Convolution

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Revision as of 15:57, 26 September 2011 by 144.118.94.68 (talk) (New page: I dont understand why the width and height of the image is starting at y-h till y+h. And for x from x-w till x+w. i have this same formula in a code snippet and i can get it why you this s...)
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I dont understand why the width and height of the image is starting at y-h till y+h. And for x from x-w till x+w. i have this same formula in a code snippet and i can get it why you this site and the other programmer use the same values. I really cant understand, does it has to do with the starting coordinates in the image.