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Add key with the pixels

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sadiqa ilyas
sadiqa ilyas 2019-9-11
关闭： MATLAB Answer Bot 2021-8-20
How to add 1 4 key with an image size 256*256 in matlab. e.g
ii=i(:,:,3);
rng(78932); %agree upon a seed
rand_key = uint8(randi([0 255], 1, 4));
enc=bitxor(ii,rand_key);
apparantly addition is not possible Is there a way to do addition

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