calc diff

clear
close all

file1 = 'MATLABdilate.png'; % from MATLAB
file2 = 'dilate1.png'; % from Java

bw1 = imread(file1);
bw2 = rgb2gray(imread(file2))>0;

max(max(abs(bw2-bw1)))

find(abs(bw2-bw1)>0)

imshow(bw1);

ans =

     0


ans =

  0×1 empty double column vector

file1 = 'MATLABerode.png'; % from MATLAB
file2 = 'erode1.png'; % from Java

bw1 = imread(file1);
bw2 = rgb2gray(imread(file2))>0;

max(max(abs(bw2-bw1)))

find(abs(bw2-bw1)>0)

imshow(bw1);

ans =

     0


ans =

  0×1 empty double column vector

Published with MATLAB® R2017b