用matlab读取jpg图片,并提取RGB值放到三个二维数组里,然后提取绿色均值...答:clear all,clc;im=imread('1.jpg');%1.jpg为图片,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));...