图像加白噪声或椒盐噪声\add_noise1.m
......................\add_noise2.m
......................\add_noise3.m
......................\Desktop.ini
......................\gaussian_salt_pepper.m
......................\lena.bmp
......................\lena_gaussian.bmp
......................\lena_nos1.bmp
......................\lena_nos2.bmp
......................\lena_nos3.bmp
......................\lena_saltpepper.bmp
......................\Thumbs.db
图像加白噪声或椒盐噪声