对于平面上任意给定的一些离散的点，确定这些点的凸包的边界。-For any given plane, a number of discrete points, the convex hull of these points to determine the boundaries.

水平集算法分割图像源代码，一种是从内到外分割，一种是外到内分割(Level set segmentation image source code, there are two kinds, one is from inside to outside, and the other is from outside to inside Matlab convhull)

水平集代码，从网上找到的，没有什么特别复杂的。(Level set segmentation image source code, there are two kinds, one is from inside to outside, and the other is from outside to inside Matlab convhull)