ex1.m

for image processing

% Homework 4 - section 1
clc
clear all
close all
%*************************************
f = [1 2 4 5 ; 5 2 5 2 ; 1 1 3 6 ; 2 4 6 7];
% f = rgb2gray(imread('4.jpg'));
% f = [1 2 4 5 ; 5 2 5 2 ; 1 1 3 6 ; 2 4 6 7];
figure, imshow(uint8(f));
title('Original Image');

% Averaging Mask
w1 = [1 1 1 ; 1 1 1 ; 1 1 1] / 9;

% Guassian Mask
w2 = [1 2 1 ; 2 4 2 ; 1 2 1] / 16;

g1 = imagefilter(f,w1);
figure, imshow(uint8(g1));
title('Averaging Filter');


g2 = imagefilter(f,w2);
figure, imshow(uint8(g2));
title('Gaussian Filter');