working on one channel at a color space

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eman
eman 2012-11-30
Hi ; I have converted RGB image to YCbCr color space using
myImage=rgb2ycbcr(myImage);
this has three channel Y,Cb and Cr i need to work just at Y channel ,How can I do that? may you help me Thanks in advance

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Walter Roberson
Walter Roberson 2012-11-30
myImageycbcr = rgb2ycbcr(myImage);
myImagey = myImageycbcr(:,:,1);

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