作为ITS的基本部分，车辆流量检测系统在ITS中占有很重要的地位。
As a basic part of ITS, real-time traffic flow play important role.
介绍了一种城市交通流量视频检测系统及其车辆识别新算法。
This paper presents a video-based urban traffic flow detection system and a novel vehicle recognition algorithm.
通过二叉决策树来分析车辆的压线过程，提高了车流量检测的可靠性；
Binary decision tree is used to analyze pressing line of vehicles to improve the reliability of the system.
应用推荐