Array dimension must match for binary operations
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rgb2 = idwt2(newwatermark_LL,w_LH,w_HH,'haar');
error
idwt2 code error
x = upsconv2(a,{Lo_R,Lo_R},sx,dwtEXTM,shift)+ ... % Approximation.
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Jan
2017-4-10
编辑：Image Analyst
2017-4-11
The question is not clear. Please provide any details which allow to reproduce the problem and mention the problem with details. Do you get an error message? Then please post a complete copy of it. Do this by editing the question, not as a comment.
Image Analyst
2017-4-11
编辑：Image Analyst
2017-4-11
I agree - not enough to go on here. I know it's not the complete error because no line numbers are listed, for one clue. Also state the sizes of each of your matrices. http://www.mathworks.com/matlabcentral/answers/6200-tutorial-how-to-ask-a-question-on-answers-and-get-a-fast-answer
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