。提出了一种基于路面标记的自动车辆检测算法，用于检测车辆并排除阴影干扰， 进而实现对过往车辆进行正确计数，能更可靠地收集各车道的实时车流信息。-In this paper，a land mark based method is proposed for vehicle detection and shadow rejection，and finally vehicle counting is achieved based on the land m ark detection metho