s082.m

简单的数字图像处理程序

% 灰度图像加权中值滤波  s082
I82=imread('1.jpg');
I820=rgb2gray(I82);
I821=imnoise(I820,'salt & pepper',0.05);
h1=ones(1,3)/3;
h2=ones(3,1)/3;
h3=ones(2,3)/6;
h4=ones(3,2)/6;
h5=ones(3,3)/9;
I822=medfilt2(I821,h1);
I823=medfilt2(I821,h2);
I824=medfilt2(I821,h3);
I825=medfilt2(I821,h4);
I826=medfilt2(I821,h5);
I827=I822/5+I822/5+I822/5+I822/5+I822/5;
subplot(1,2,1),imshow(I821);
subplot(1,2,2),imshow(I827)