Equalization Hitogram Using Matlab

Source code :

%load image
image=imread('gigi.jpg');
%image yang berwarna diubah menjadi grayscale
grayscale=rgb2gray(image);
%mengequalization histogram
histequal=histeq(grayscale);

%mengatur tampilan input dan output image beserta histogramnya
subplot(2,2,1);
imshow(grayscale);
title('Input Image');
subplot(2,2,2);
imshow(histequal);
title('Output Image');
subplot(2,2,3);
imhist(grayscale);
title('Original Histogram');
subplot(2,2,4);
imhist(histequal);
title('Equalization Histogram');