说明：  这个GUI界面软件能从你的计算机里读出你的图像，可以加入噪声，而给你提供各种滤波器来研究他们的特性。噪声类型：高斯噪声、淑盐噪声、泊松噪声
(This GUI based code can read images from your computer , add noise to it and gives you different types of filters to study their performance. The Noises type : Gaussian Salt & Pepper Poisson )