img1 = imread('img34.png');
img2 = imread('img35.png');
img3 = imread('img36.png');
img1 = ext_auto(img1,1);
img2 = ext_auto(img2,1);
img3 = ext_auto(img3,1);
hist1 = histogram(img1,'Normalization','probability');
hist2 = histogram(img2,'Normalization','probability');
hist3 = histogram(img3,'Normalization','probability');
figure,
subplot(2,3,1), imshow(hist1);
subplot(2,3,2), imshow(hist2);
subplot(2,3,3), imshow(hist3);
locatie = 'C:\Users\User\Desktop\Facultate\Anul III\Semestrul II\tsim\Tema2\antrenare';
files=dir(fullfile(locatie, '*.png'));
load('etichete.mat');
h = zeros(length(files),256);
for i = 1:length(files)
FileName = fullfile(locatie, files(i).name);
img = imread(FileName);
img = ext_auto(img,1);
hist = histogram(img,'Normalization','probability');
figure(i), imhist(img);
end