sumarize11_5_4b.m

matlab7.0从入门到精通(光盘内容)

%载入图像
RGB = imread('saturn.png');
%RGB转换为灰度图
I = rgb2gray(RGB);
%加入高斯白噪声
J = imnoise(I,'gaussian',0,0.005);
%采用自适应滤波
K = wiener2(J,[5 5]);
%显示原始图像、加入噪声的图像以及滤波后的噪声
imshow(I)
figure,imshow(J)
figure, imshow(K)