在图片当中添加噪声,其中包含高斯噪声，的三种产生方式，以达到不同的退化效果。还包含椒盐噪声的产生，以及泊松噪声，并并包含如何将噪声加入图片的例程。-Adding noise in the picture，Including the Gauss noise, the generation of three, in order to achieve the effect of different degradation. Also contains salt and pepper noise, as well as the Poisson noise, and how to add noise and contains the picture of the routine.