LAB01

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WSTĘP
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clc
clear all
close all

imfinfo('lena.jpg');
imfinfo('lena.bmp');

jpg = imread('lena.jpg');
bmp = imread('lena.bmp');

figure(1)
imshow(jpg)

figure(2)
imshow(bmp)

figure(3)
newmap = rgb2gray(jpg)
imshow(newmap)

imwrite(newmap,'lena_gray.bmp');

figure(4)
colormap gray
mesh(newmap)

figure(5);
plot(bmp(10,: ))

figure(6);
plot(bmp(:,10 ))

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OBRAZY INDEKSOWANE
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clc
clear all;
close all;

lena = imread('lena_gray.bmp');

[X, map] = gray2ind(lena, 256);

figure(1)
imshow(X, map);
colormap turbo;

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SYSTEMY (MODELE) BARW
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clc
clear all
close all

lena = imread('lena.bmp');

R = lena(:,:,1); G = lena(:,:,2); B = lena(:,:,3);
figure(1);
subplot(2,2,1);
imshow(lena);
title('Oryginal');
subplot(2,2,2);
imshow(R);
title('R');
subplot(2,2,3);
imshow(G);
title('G');
subplot(2,2,4);
imshow(B);
title('B');

lenahsv = rgb2hsv(lena);
R = lenahsv(:,:,1); G = lenahsv(:,:,2); B = lenahsv(:,:,3);
figure(2);
subplot(2,2,1);
imshow(lenahsv);
title('Oryginal');
subplot(2,2,2);
imshow(R);
title('R');
subplot(2,2,3);
imshow(G);
title('G');
subplot(2,2,4);
imshow(B);
title('B');

lenaycbcr = rgb2ycbcr(lena);
R = lenaycbcr(:,:,1); G = lenaycbcr(:,:,2); B = lenaycbcr(:,:,3);
figure(3);
subplot(2,2,1);
imshow(lenaycbcr);
title('Oryginal');
subplot(2,2,2);
imshow(R);
title('R');
subplot(2,2,3);
imshow(G);
title('G');
subplot(2,2,4);
imshow(B);
title('B');