gaussian1.m

MATLAB数字图像处理

clc
clear all
mypath = 'D:\MATLAB7\work';
cd(mypath);
I = imread('coin.tif');
J = imnoise(I,'gaussian',0,0.01);

subplot(2,2,1);
imshow(I);
title ԭͼ

subplot(2,2,2);
imshow(J);
title saltpepper;

J1 = medfilt2(J);
subplot(2,2,3);
imshow(J1);
title 3*3

J2 = medfilt2(J,[9 9]);
subplot(2,2,4);
imshow(J2);
title 9*9