说明：  基于偏微分方程的图像处理，较早版本的书，基于matlab，有一定实用性，后来西交大也出了两本，但是理论性太强。
(Image processing based on partial differential equations, an earlier version of the book, based on matlab, a certain practical, then the West Jiaotong University has made a two, but it was too theoretical.)