lab2

clear all

IMG = imread('kierowca.png');


%Y1=0.299*IMG(:,:,1)+0.587*IMG(:,:,2)+0.114*IMG(:,:,3);
IMG_GRAY = rgb2gray(IMG);

%jasnosc(image)
%kontrast(image, jasnosc(image))
subplot(2,3,1);
imshow(IMG_GRAY, [0,255]);
title('#1');

%stala
imageConst=double(IMG_GRAY)+15;
subplot(2,3,2);
imshow(imageConst, [0,255]);
title('Stala');

%mnozenie
imageMu= min(double(IMG_GRAY)*2, 255);
subplot(2,3,3);
imshow(imageMu, [0,255]);
title('Mnozenie');

%potegowanie
pot=min(double(IMG_GRAY).^(0.9), 255);

%pot=double(image);
%pot=pot.^0.1;
%pot=pot-min(min(pot));
%pot2=(pot/max(max(pot)))*255;
subplot(2,3,4);
imshow(pot, [0,255]);
title('Potegowanie');

%pier
P = double(IMG_GRAY);
subplot(2,3,5);
P=P*sqrt(1.92);
imshow(P, [0, 255]);
title('Pierwiastek');

%log


gg = min(double(IMG_GRAY) / log(2), 255);
ggT = gg - min(min(gg));
gg = (ggT / max(max(ggT))) * 255;
subplot(2,3,6);
imshow(gg, [0, 255]);
title('Logarytm');