DIP LAB

boncuk.m

clear all;  close all;  clc;

im = imread('http://i.imgur.com/TwDQZKO.jpg');

r = im(:,:, 1);
g = im(:,:, 2);
b = im(:,:, 3);

figure(1);
subplot(2,2,1); imshow(im); title('Boninon');
subplot(2,2,2); imshow(r);  title('R');
subplot(2,2,3); imshow(g);  title('G');
subplot(2,2,4); imshow(b);  title('B');

bwr = abs(double(r) - 80) <= 80;
bwg = abs(double(g) - 240) <= 80;
bwb = abs(double(b) - 60) <= 80;
bw = bwr .* bwg .* bwb;

figure(2);  
subplot(2,2,1); imshow(im); title('Bonibon');
subplot(2,2,2); imshow(bwr); title('bwr');
subplot(2,2,3); imshow(bwg); title('bwg');
subplot(2,2,4); imshow(bw); title('bw');

bw3 = cat(3, bw,bw,bw);
img = uint8(double(im) .* bw3);

figure(3);
imshow(img)

kanaldan_renge.m

clear all; close all; clc;

r = uint8(ones(200,200) * 0);
g = uint8(ones(200,200) * 255);
b = uint8(ones(200,200) * 255);

rgb = cat(3, r, g, b);
imshow(rgb)