matlab 讀取圖片RGB

將圖片的RGB讀出
判斷顏色分布大小





clear all;
close all

inputName='mush.jpg';

img=imread(inputName);
fprintf('The size of the image is %d * %d \n',size(img,1),size(img,2));
R=img(:,:,1);
G=img(:,:,2);
B=img(:,:,3);

figure(1);
imhist(R);
title('The hist of R');

figure(2);
imhist(G);
title('The hist of G');

figure(3);
imhist(B);
title('The hist of B');