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RGB=imread('hr.jpg'); YIQ=rgb2ntsc(RGB); I=YIQ(:,:,1); subplot(1,2,1); subimage(RGB); title('原图像'); subplot(1,2,2); subimage(I); title('变换后的图像');

如何将RGB转成CYMK 如何将RGB转成CYMK

RGB=imread('peppers.png'); imshow(RGB); [x map]=rgb2ind(RGB,0.2); figure imshow(x,map); [x map]=rgb2ind(RGB,185); figure imshow(x,map);

RGB = imread('peppers.png'); c = [12 146 410]; r = [104 156 129]; pixels = impixel(RGB,c,r)

rgb=imread('saturn.png'); imshow(rgb) i=rgb2gray(rgb); figure; imshow(i); j=imnoise(i,'gaussian',0,0.005); figure; imshow(j); k=wiener2(j,[5 5]); figure; imshow(k);

rgb=imread('onion.png'); imshow(rgb); [x_no_dither,map]=rgb2ind(rgb,8,'nodither'); [xdither,map]=rgb2ind(rgb,8,'dither'); figure,imshow(x_no_dither,map); figure,imshow(xdither,map);

RGB=imread('peppers.png'); imshow(RGB)

RGB=reshape(ones(64,1)*reshape(jet(64),1,192),[64 64 3]); r=RGB(:,:,1); g=RGB(:,:,2); b=RGB(:,:,3); subplot(2,2,1); imshow(r); subplot(2,2,2); imshow(g); subplot(2,2,3); imshow(b); subplot(2

RGB=imread('saturn.png'); l=rgb2gray(RGB); imshow(l,[]) h=[1 2 1;0 0 0;-1 -2 -1]; l2=filter2(h,l); figure imshow(l2,[]); colorbar

Re: Given a RGB color value (e.g 255), how to get its red,green and blue values?(no text)