Tuesday, December 27, 2011

Membuat histogram citra berwarna dengan matlab

Berikut contoh koding matlab untuk membuat histogram pada citra berwarna
function [ output_args ] = tgspc( input_args )
gambar=imread('baboon24.bmp'); %——–membaca file gambar

red=gambar(:,:,1); %memanggil matriks gambar yang hanya berisi piksel warna merah

green=gambar(:,:,2);% memanggil matriks gambar yang hanya berisi piksel warna hijau

blue=gambar(:,:,3); %memanggil matriks gambar yang hanya berisi piksel warna biru

gray=0.3*red+0.5*green+0.2*blue ;
figure; imshow(gambar);
figure; subplot(4,1,1);
imhist(red);
title('Merah');

subplot (4,1,2);
imhist(green);
title('Hijau');

subplot (4,1,3);
imhist(blue);
title('Biru');

subplot(4,1,4);
imhist(gray);
title('Abu-abu');

end

1 comment:

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