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I have problem of image processing by Matlab coding.

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mitsubishi

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sharpening in matlab

Hi, Everybody,

I have a project to do sharpening of image.
I using the "imread" command to read a color image.
then use "rgb2ycbcr" command to transfer domain to YCbCr.
But I only want to "Y" signal to the Laplacian filter for enhancing edge.
How to extract this "Y" signal? thanks.
 

a=imread('pic.jpg');
b=rgb2ycbcr(a);
c=b:),:,1);

Now c is a matrix with the T signal.
 
Hi, yahel,

Thanks for your reply. I have tried it ok.

Now, I can process one imge file to sharpening. But I how to process the movie file to sharpening by Matlab. Could you help me?
 

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