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基于GTM算法的多维区域交通状态分析

, PP. 102-107

Keywords: 交通工程,区域交通状态,GTM算法,异常状态检测,聚类分析

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Abstract:

?为了验证生成式拓扑映射(GTM)算法分析区域交通状态的有效性,对北京市某包含29个检测器的实际路网连续28d的数据集进行研究。试验中,通过GTM算法将原始数据从58维空间平滑地映射到2维的特征平面,有效实现了高维数据可视化;同时对状态进行无监督聚类和区域交通状态分析,并找出路网异常状态。试验结果表明:GTM算法可以应用在交通状态可视化、线圈故障诊断、交通拥堵的发现、交通状态演化研究等方面。

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