Adding zeros to matrix

Anjali Sharma · Feb 28, 2022 · 1.9K views
Question
I have to do image processing. I have one data with 100 x 100 matrix and another with 300 x 300 matrix. I want to add zeros to 100 x100 matrix to equalize it like 300 x300 but zeros to be added after 100 x 100 equally and not in particular end.
Expert Answer
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John Michell PhD Expert
Answered Aug 22, 2026
% Replace this with your image
Image100 = peaks(100)+10;

%Centering padding in 4 sides
PadImage300 = zeros(300,300,size(Image100,3),class(Image100));
PadImage300(101:200,101:200,:) = Image100;

imagesc(PadImage300)

 

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