说明：  利用MeanShift算法进行图像平滑和分割，这种方法能够保持图像边缘。另付灰度和彩色图像的简洁代码。本程序均以函数给出，非常方便移植。
(MeanShift use smoothing algorithms for image segmentation and that the method can be maintained Edge. Extra gray and color images concise code. The procedures are given function, a very convenient transplantation.)