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基于大规模浮动车数据的城市道路网复杂度分析

, PP. 120-126

Keywords: 交通工程,路网复杂度分析,置信点,浮动车数据,地图匹配

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Abstract:

针对现有浮动车技术应用研究中缺乏道路网络复杂度的定量分析,引入置信点的概念,提出了一种基于大规模浮动车数据的城市路网复杂度分析方法。利用该方法统计了路网中各路段的置信点分布情况和置信点的平均匹配距离,建立了城市路网复杂度模型。结合浮动车数据的预处理,提出了城市路网复杂度的分析流程。以广州市为例,分析了广州市全局路网和4类典型城市道路代表路段的复杂度。对于地图匹配算法实证研究中的指定路径,具体分析了其各组成路段的复杂度及其主要影响因素。

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