mencari nilai Sum of Absolute Difference (SAD) antar frame

dibagian ini akan dijelaskan bagaimana mencari perbedaan nilai antar frame menggunakan MATLAB (versi matlab yg saya pakai R2014a). cukup simple, dan berikut adalah listing programnya :

clc
A = imread('left4.png');
B = imread('right4.png');

x= rgb2gray(A);                            %convert image to gray scale
y= rgb2gray(B);                            %convert image to gray scale

z = imabsdiff(x,y);                        %get absolute diffrence between both images

% level = graythresh(z);              %make level black-white image
% z = im2bw(z,level);                 %convert image to black-white

zz = sum(z,1);                              %calculate SAD
zzz = sum(zz);                          

figure,imshow(z);
imwrite(z,'imageSAD.png')       %save SAD image into new filename

 

selamat mencoba semoga bermanfaat.