<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/1999/REC-html401-19991224/strict.dtd">
clc;
clear all;
close all;
a=imread('cameraman.tif');
[m n]=size(a);
w=(1/9)*ones(3,3); %lpf_mask
w1=[1 1 1;1 -8 1;1 1 1 ]; %hpf_mask
b=conv2(double(a),double(w));
c=conv2(double(a),double(w1));
figure,imshow(a);
title('Original Image');
figure,imshow(uint8(b));
title('LPF Image');
figure,imshow(uint8(c));
title('HPF Image');