clear all; close all; clc;
F = imread('mandrill.jpg');
DF = size(F);
R = im2uint8(zeros(DF(1),DF(2),DF(3)));
G = im2uint8(zeros(DF(1),DF(2),DF(3)));
B = im2uint8(zeros(DF(1),DF(2),DF(3)));
R(:,:,1) = F(:,:,1);
G(:,:,2) = F(:,:,2);
B(:,:,3) = F(:,:,3);
imwrite(R,'mandrillR.jpg','jpg');
imwrite(G,'mandrillG.jpg','jpg');
imwrite(B,'mandrillB.jpg','jpg');
subplot(1,4,1), imshow(R);
subplot(1,4,2), imshow(G);
subplot(1,4,3), imshow(B);
subplot(1,4,4), imshow(F);