zhongzhilvbo.m

matlab的演示程序

%中值滤波
N=3
%N=5
%N=7
%N=9
%读入图像
I=imread('rice.tif');
I2=imresize(I,1.15);
figure;
imshow(I2);
title('原始图像');
%加入椒盐噪声
J=imnoise(I,'salt & pepper',0.02);
J2=imresize(J,1.15);
figure;
imshow(J2);
%中值滤波
title('加入椒盐噪声后的图像');
K=medfilt2(J,[N N]);
K2=imresize(K,1.15);
figure;
imshow(K2);
title('中值滤波后的图像');