img1 = imread('image1.jpg'); %wczytanie obrazu
img1 = double(img1)/255;
img2 = imadjust(img1,[0.3 0.7],[]); %kontrast
bound = 0.5;

img3 = img2 > bound; %binaryzacja

se = strel('square', 3);

img4 = imdilate(img3, se); %dylatacja
img5 = imerode(img4,se); %erozja

[tabheight, tabWidth] = size(L5)

disp(tabheight);
mart = 0;

for i = 1:256    for j = 1:tabheight
        if L5(i,j) == 1
            mart = mart + 1;
        end
    end
end

result = 256 * 369;
finalResult = (mart / result) * 100;
disp(finalResult);

figure;
imshow([img1 img2 img3 img4 img5]) %wyswietlanie