Matrix dimensions must agree error when using DCT2?
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Hi I am trying to use the dct2 function on some images. When I try to use the following code, I get the error "Matrix dimensions must agree," any ideas? Here's my code:
A = imread('IC1.png');
imshow(A);
D = dct2(A);
I am aware that I can get this to work if I use rgb2gray however I want to compress rgb images, is this not possible?
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Abhishek Gupta
le 14 Déc 2020
Hi Harry,
The 'dct2' function takes only a 2-D numeric matrix as input. Please see the documentation for more details: -
I am referring you to the following File Exchange link, which might resolve your issue: -
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