Question
I continue to get the same issue although I have two matrices using only integers. h1 = {-1, -2, -1; 0, 0, 0; 1, 2, 1}; ogI = imread('image.jpeg'); I = rgb2gray(ogI); I1 = conv2(I, h1, 'same'); imshow(I1); Even if I set 'I' to a single or double inside of the function it does not work. This may be trivial but anything would help.
Expert Answer
Kshitij Singh
PhD Expert
Answered Aug 24, 2026
You are defining h1 as a cell array. Define it as a numeric array
h1 = [-1, -2, -1; 0, 0, 0; 1, 2, 1]; % use square brackets
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