基于多源数据的城市道路交通事件检测Urban road traffic incident detection based on multiple data
徐涛,徐爱功,胡超魁,张明月
摘要(Abstract):
针对交通事件自动检测多以高速公路、城市快速路为对象以及使用数据源单一的现状,本文提出一种基于多源数据融合的城市道路交通事件检测方法。在对信号控制下交通事件引起的交通流变化进行分析的基础上,利用杭州市城区浮动车、SCATS、Citilog、OD系统提供的实时交通数据,基于CUSUM算法构建差分流量和速度交通事件检测模型。该模型可以有效抑制交通信号对于交通流的周期性影响,协同视频、行程时间构成两方式三指标的事件检测体系。实验表明,模型在高峰时段和平峰时段均能快速准确检测交通事件。
关键词(KeyWords): 智能交通系统;交通事件检测;数据融合;城市道路;差分流量
基金项目(Foundation): 国家高技术研究发展计划(863计划)(2008AA11Z205)
作者(Author): 徐涛,徐爱功,胡超魁,张明月
DOI: 10.16251/j.cnki.1009-2307.2011.06.036
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