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I have a problem where I have to input an image and a kernel and it must give an output image. The kernel could be of any type. I have been trying various techniques. Could be really helpful if somone could post the code of imfilter in a readable way or maybe give some kind of a code as per the problem statement which would help me understand my mistake.

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Image Analyst
Image Analyst 2021-3-19

0 个投票

Did you try something like
grayImage = imread('moon.tif');
kernel = ones(31) / 31^2;
filteredImage = imfilter(grayImage, kernel);

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Right I think I should say that I am in search of the conv2 code because I don't want to use inbuilt functions. I have separated the 3 channels as RGB instead of just masking. But I think I am getting the convolution wrong using the for loops and zero padding the filter that is.
Image Analyst
Image Analyst 2021-3-20
If you need to avoid built-in functions like imfilter() and conv2() for some reason (WHY????), see my "manual" version of convolution.

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