几何活动轮廓（GAC）算法的源代码，用upwind和eno数值方法， 在MATLAB下可直接执行-geometric active contour (GAC) algorithm source code, using upwind and eno numerical methods, MATLAB under the direct execution

用matlab写的一些数值算法,大家可以参看,很不错的-Some numerical algorithm written in matlab, and everyone can see, very good