The invention relates to the technical field of traffic prediction and the technical field of information, and discloses a traffic flow prediction method and device based on spatio-temporal data, equipment and a medium, and the method comprises the steps: determining preset input information based on preset traffic flow, preset spatio-temporal data and a preset road network topological graph in a preset time period; processing the preset input information through a preset space-time embedded network, and generating a predicted traffic flow of the next time period of the preset time period; controlling an optimizer to adjust model parameters of the space-time embedded network, and selecting the space-time embedded network using the adjusted model parameters as a traffic flow prediction model; and determining current input information based on the current traffic flow, the current spatio-temporal data and the current road network topological graph of the current time period, processing the current input information through the traffic flow prediction model, and generating predicted traffic flow of the next time period of the current time period. According to the invention, the accuracy and reliability of traffic flow prediction can be improved.
本发明涉及交通预测技术领域和信息技术领域,公开了基于时空数据的交通流量预测方法、装置、设备及介质,方法包括:基于预设时间段的预设交通流量、预设时空数据、预设路网拓扑图,确定预设输入信息;通过预设的时空嵌入网络,对预设输入信息进行处理,生成预设时间段的下一时间段的预测交通流量;控制优化器调整时空嵌入网络的模型参数,选取使用调整后的模型参数的时空嵌入网络作为交通流量预测模型;基于当前时间段的当前交通流量、当前时空数据、当前路网拓扑图,确定当前输入信息,通过交通流量预测模型,对当前输入信息进行处理,生成当前时间段的下一时间段的预测交通流量。本发明有利于提高交通流量预测的准确性和可靠性。
Traffic flow prediction method and device based on spatio-temporal data, equipment and medium
基于时空数据的交通流量预测方法、装置、设备及介质
2025-03-28
Patent
Electronic Resource
Chinese
IPC: | G08G Anlagen zur Steuerung, Regelung oder Überwachung des Verkehrs , TRAFFIC CONTROL SYSTEMS / G06F ELECTRIC DIGITAL DATA PROCESSING , Elektrische digitale Datenverarbeitung / 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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