addnoise.m

图象的均值滤波

clear,close all;
I=imread('D:\Documents and Settings\liutao\桌面\gray3.bmp');
J=imnoise(I,'gaussian',0,0.001);
imshow(I);
figure,imshow(J);
figure,imhist(I);
figure,imhist(J);
imwrite(J,'D:\Documents and Settings\liutao\桌面\gray3noised.bmp')