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Method for Opposing Flow Abnormal Event Detection Based on Optical Flow
Author(s): 
Pages: 102-105
Year: Issue:  13
Journal: Video Engineering

Keyword:  异常事件检测光流场特征点聚类逆行;
Abstract: 机场大厅、公路等公共场合,经常需要行人或车辆单向运动,以保障开放环境的安全性及秩序性.对监控视频中的逆行异常事件进行检测,便于管理人员及时对可疑事件做出处理.提出了一种逆行异常事件的检测算法,它基于图像中特征点的光流场以及空间分布特性对特征点进行聚类,然后通过计算符合逆行条件的特征点数量实现对逆行异常事件的检测.理论分析和实验结果均表明,该方法既能显著降低运算的复杂度,又能明显提高检测的准确率,适...
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