中文说明： 图像去噪的变分和偏微分方程方法，包括TV模型（二阶PDE），图像分割GAC的matlab代码。可直接实现。参考文献可在网上(比如百度文库)里下载。都是经典的方法。
English Description：
Image denoising variational and partial differential equation method, including the TV model (two order PDE), image segmentation matlab GAC code. Can be directly implemented. References available on the Internet (such as Baidu Library) download. Are classical methods.