一种快速的多边形和矩形检测算法，可以广泛的应用于各种目标识别领域-A fast polygon and rectangle detection algorithm can be widely used in various areas of target identification

用于矩形检测的源代码，已配说明，易看懂。但不适合于车牌检测等复杂的矩形检测-Rectangular detection for the source code has been assigned that easy to understand. But not suitable for detection of license plate detection rectangular complex