error: assignment dimension mismatch

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mohamad mohamad
mohamad mohamad 2014-3-15
编辑： mohamad mohamad 2014-3-15
I=imread('data (15).tif'); % Read an image
IG = rgb2gray(I);
[M,N] = size(IG);
G(:,:,2) = I(:,:,2);
G(:,:,1) = 0;
G(:,:,3) = 0;
Y = rgb2gray(G);
i have a image data base and when i run this code on my images,it work well on all of them except 2 of them which are horizontal images and biger then others,can any one help me plz? this is the error :
Subscripted assignment dimension mismatch.
Error in main (line 13) G(:,:,2) = I(:,:,2);

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采纳的回答

Azzi Abdelmalek
Azzi Abdelmalek 2014-3-15
Try
clear G
G(:,:,2) = I(:,:,2);
G(:,:,1) = 0;
G(:,:,3) = 0;
  1 个评论
mohamad mohamad
mohamad mohamad 2014-3-15
编辑：mohamad mohamad 2014-3-15
thank u so much for your instant answer
i wish the best for you

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