Dilation and Erosion Matlab code

Aim: To perform dilation & erosion of an image

Equipments:

Operating System: -     Windows XP

Software: -                   Matlab 7.5, Image Processing Toolbox.

Program:

close all;

clear all;

clc;

f=imread('cameraman.tif');

level=graythresh(f);

f1=im2bw(f,level);

s=[0 1 0; 1 1 1 ; 0 1 0];

f2=imdilate(f1,s);

subplot(1,3,1);imshow(f);title('original image');

subplot(1,3,2);imshow(f1);title('binary image');

subplot(1,3,3);imshow(f2);title('dilated image');

Results:

Dilation

Erosion