使用摄像头的多点触摸系统，这里是完整的源代码-The use of camera multi-point touch system, here is a complete source code

一个非常好的多点触摸程序库，可是方便的嵌入到你的程序中实现类似微软的surface功能。目前此库仍然在不断的更新中-A very good library of multi-point touch, but easily embedded into your program to achieve a similar function of Microsoft surface. At present, this library is s