T = imread('ovce2.png');

figure(11), imshow(T);
figure(21), imhist(T);

A = imadjust(T);
figure(12), imshow(A);
figure(22), imhist(A);

B = imadjust(T, [60/255; 150/255]);
figure(13), imshow(B);
figure(23), imhist(B);
