I=imread('pout.tif ');
subplot(1, 3, 1), imshow(I), title('原始图像');
G=imnoise(I, 'gaussian');
subplot(1, 3, 2), imshow(G), title('高斯噪声图像');
imwrite(G, 'Gpout.tif');
J=imnoise(I, 'salt & pepper', 0.05);
subplot(1, 3, 3), imshow(J), title('椒盐噪声图像');
imwrite(J, 'Jpout.tif');
0