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function show_rgb(h,img,color) %color=1 ==> red %color=2 ==> green %color=3 ==> blue cntrl=0; switch color case 1, img_r(:,:,1)=img(:,:,1); img_r(:,:,2)=img(:,:,2).*0; img_r(:,:,3)=img(:,:,3).*0; case 2, img_r(:,:,2)=img(:,:,2); img_r(:,:,1)=img(:,:,1).*0; img_r(:,:,3)=img(:,:,3).*0; case 3, img_r(:,:,3)=img(:,:,3); img_r(:,:,1)=img(:,:,1).*0; img_r(:,:,2)=img(:,:,2).*0; otherwise msgbox('ERROR: Please select an component!'); cntrl=1; end if cntrl==0, axes(h) imshow(img_r); end end