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Image patching for computing Guassian Kernel

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Algorithms Analyst
Hi every one
I want to patch the image for Spatial Guassian kernel calculation.with a oatch size 12x12.How can I do it
image=imread('lib.jpg');
patchsize=12;
image=patch(image,patchsize);

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Image Analyst
Image Analyst 2013-2-8
I don't know what you want to do, so I can't give an answer. (Try to explain better - upload a diagram or image if you think that would help explain)
But I do know that you should not use "image" as the name of your variable because you'll destroy the built-in function by that name.
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Algorithms Analyst
Algorithms Analyst 2013-2-12
For more explanation let us suppose that I have a UV image in YUV color space.and I want to compute du=Uk-UJj and dv=Dk-Dj I think that in the paper k and j are two different colors if I am not wrong.Thanks
Algorithms Analyst
Algorithms Analyst 2013-2-12
Can any one help me how to compute color gaussian kernel?

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Thorsten
Thorsten 2013-2-11
编辑：Thorsten 2013-2-11
I = im2double(imread('cameraman.tif'));
Gsk = fspecial('gaussian',[12 12],3);
Idxy = I - imfilter(I, Gsk);

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