中文说明：实现了图像的自适应中值滤波，能虑除图像中的噪声，此程序由于有自适应性，比matlab自带的中值滤波表现更出色
English Description：
The adaptive median filter of image is realized, which can eliminate the noise in the image. Because of the self adaptability, this program performs better than the median filter of MATLAB