The invention discloses a traffic flow prediction method, system and device based on spatio-temporal data and a medium, and the method comprises the steps: obtaining the road network spatio-temporal data of an expressway, and carrying out the construction of graph structure data according to the road network spatio-temporal data; performing data processing on the graph structure data to obtain an adjacent matrix and a feature matrix; performing feature aggregation processing on the adjacent matrix and the feature matrix according to a graph convolution algorithm to obtain an aggregation result; and performing prediction processing on the aggregation result, and outputting to obtain a traffic flow prediction result. According to the embodiment of the invention, the time-space data is aggregated, the calculation power requirement of a traffic flow prediction model or algorithm can be reduced, the accuracy and real-time performance of traffic flow prediction are improved, and the method can be widely applied to the technical field of intelligent traffic.
本申请公开了一种基于时空数据的车流预测方法、系统、设备及介质,方法包括:获取高速公路的路网时空数据,并根据路网时空数据构建得到图结构数据;对图结构数据进行数据处理,得到邻接矩阵和特征矩阵;根据图卷积算法对邻接矩阵和特征矩阵进行特征聚合处理,得到聚合结果;对聚合结果进行预测处理,输出得到车流预测结果。本申请实施例通过对时空数据进行聚合处理,能够减少车流预测模型或算法的算力要求,从而提高了车流预测的准确性和实时性能,可以广泛应用于智慧交通技术领域。
Traffic flow prediction method, system and device based on spatio-temporal data and medium
一种基于时空数据的车流预测方法、系统、设备及介质
2024-08-30
Patent
Electronic Resource
Chinese
IPC: | G08G Anlagen zur Steuerung, Regelung oder Überwachung des Verkehrs , TRAFFIC CONTROL SYSTEMS / G06N COMPUTER SYSTEMS BASED ON SPECIFIC COMPUTATIONAL MODELS , Rechnersysteme, basierend auf spezifischen Rechenmodellen / G06Q Datenverarbeitungssysteme oder -verfahren, besonders angepasst an verwaltungstechnische, geschäftliche, finanzielle oder betriebswirtschaftliche Zwecke, sowie an geschäftsbezogene Überwachungs- oder Voraussagezwecke , DATA PROCESSING SYSTEMS OR METHODS, SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL, SUPERVISORY OR FORECASTING PURPOSES |
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