İ need to switch red and blue colors in RGB picture. How i can do that? my version of matlab is R2013a

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Ulvi
Ulvi on 3 Mar 2014
Commented: Scott Staniewicz on 16 Jan 2018
İ need to switch red and blue colors in RGB picture. How i can do that? my version of matlab is R2013a

Answers (1)

Thomas
Thomas on 3 Mar 2014
Edited: Thomas on 3 Mar 2014
Similar question:
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ii=imread('1.jpg'); % load original
figure()
imshow(ii) % show orignal
newii(:,:,1)=ii(:,:,2);
newii(:,:,2)=ii(:,:,1);
newii(:,:,3)=ii(:,:,3);
figure()
imshow(newii) % show new
  1 Comment
Scott Staniewicz
Scott Staniewicz on 16 Jan 2018
Doesn't this swap the Red with the Green (if it's RGB)? To swap red/blue, they would want
newii(:,:,1)=ii(:,:,3);
newii(:,:,2)=ii(:,:,2);
newii(:,:,3)=ii(:,:,1);

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