matlab显示RGB三个分量图像

[h,w,d]=size(A)

R1(:,:,1)=A(:,:,1)

R1(:,:,2)=zeros(h,w)

R1(:,:,3)=zeros(h,w)

R=uint8(R1)

G1(:,:,2)=A(:,:,2)

G1(:,:,1)=zeros(h,w)

G1(:,:,3)=zeros(h,w)

G=uint8(G1)

B1(:,:,3)=A(:,:,3)

B1(:,:,2)=zeros(h,w)

B1(:,:,1)=zeros(h,w)

B=uint8(B1)

figure

subplot(1,3,1)

imshow(R)

subplot(1,3,2)

imshow(G)

subplot(1,3,3)

imshow(B)

clear all,clc

im=imread('1.jpg'中枯)%1.jpg为图片乱培竖，在m文件所在目录下

s=size(im)

R=im(:,:,1)

G=im(:,:,2)

B=im(:,:,3)

R=reshape(R,[s(1),s(2)])

G=reshape(G,[s(1),s(2)])

B=reshape(B,[s(1),s(2)])

r=mean(mean(R))%红色均值

g=mean(mean(G))%绿色均值

b=mean(mean(B))%蓝色均哗大值

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