对原始的三角网格进行八叉剖分，来提高三角网格简化的速度-it carries out the octree to divide the space, puts triangled-meshes into different spaces,it improves the whole speed of simplification

医学图像处理示例，可以对图像进行放大，缩小，灰度，锐化等基本操作。做这方面的朋友可以-Medical image processing example, the image can zoom, grayscale, sharpening and other basic operations. Make friends can look at this

网格简化程序基于3D三角网格简化，代码简单实用，而且非常有效的节省时间-meshsimplification is a C++ library and set of utilities for input, output, and basic manipulation of 3D triangle meshes. The goals of the code are ease of use and efficiency, possibly