matlab程序.rar_椒盐噪声_维纳滤波法_高斯噪声_高斯噪声去除_高斯噪声滤波

I=imread('C:\Users\Administrator\Desktop\lena.jpg'); subplot(2,2,1);imshow(I); title('原始图像'); J1=imnoise(I,'gaussian',0,0.02); subplot(2,2,2);imshow(J1); title('加高斯噪声图'); K1=wiener2(J1,[3 3]); %对加噪图像进行二维自适应维纳滤波 J2=imnoise(I,'salt & pepper',0.02); subplot(2,2,3);imshow(J2); title('加椒盐噪声图'); K1=wiener2(J2,[3 3]); %对加噪图像进行二维自适应维纳滤波 J3=imnoise(I,'speckle',0.02); subplot(2,2,4);imshow(J3); title('加乘性噪声图'); K1=wiener2(J3,[3 3]); %对加噪图像进行二维自适应维纳滤波