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[X,map]=imread('canoe.tif'); newmap=rgb2gray(map); imshow(X,newmap);

RGB=imread('flowers.tif'); image(RGB); %显示RGB图像 pause; imshow(RGB); %显示RGB图像

[x,y,z] = cylinder; %创建一个柱形面 RGB = imread('flowers.tif'); %读入真彩色图像 warp(x,y,z,RGB);

[X,map]=imread('canoe.tif'); newmap=rgb2gray(map); imshow(X,newmap);

RGB=imread('flowers.tif'); image(RGB); %显示RGB图像 pause; imshow(RGB); %显示RGB图像

[X,map]=imread('canoe.tif'); newmap=rgb2gray(map); imshow(X,newmap);

RGB=reshape(ones(64,1)*reshape(jet(64),1,192),[64,64,3]); R=RGB(:,:,1); G=RGB(:,:,2); B=RGB(:,:,3); imshow(R) figure, imshow(G) figure, imshow(B) figure, imshow(RGB)

function [M,ColorP] = change_color_mode(M,dir,options) % change_color_mode - change of color representation % % M = change_color_mode(M,dir,options); % % switch between RGB and another color mode

P=imread('PIC4','bmp'); subimage(P); rgb2gray(P)

窗体加入抖动背景 Ever wonder how the SETUP.EXE screen gets its cool shaded background coloring? This color shading is called dithering, and you can easily incorporate it into your forms. Add the following ro