The invention relates to the technical field of computers, in particular to the technical field of artificial intelligence, and provides a duration prediction model training and traffic flow speed estimation method, device and equipment which can be applied to scenes such as maps, traffic, automatic driving and vehicle-mounted scenes. The method comprises the following steps: acquiring traffic road sections and intersection road sections contained in a plurality of historical travel tracks; extracting respective road features of each traffic road section and respective intersection features of each intersection road section; constructing a plurality of training samples based on the road features of the traffic road sections and the intersection features of the intersection road sections included in each historical travel track, and the actual passing time corresponding to each historical travel track; and performing loop iteration training on the to-be-trained duration prediction model based on the plurality of training samples to obtain a trained duration prediction model. According to the method, all traffic road sections and intersection road sections in the whole historical travel track are selected during model training, so that the predicted time is more accurate.
本申请涉及计算机技术领域,尤其涉及人工智能技术领域,提供一种时长预测模型训练和车流速度的预估方法、装置和设备,可应用于地图、交通、自动驾驶、车载等场景。其中,方法包括:获取多个历史出行轨迹各自包含的交通路段和路口路段;提取各交通路段各自的道路特征以及各路口路段各自的路口特征;基于各个历史出行轨迹各自包含的交通路段的道路特征和路口路段的路口特征,以及各个历史出行轨迹各自对应的实际通行时间,构建多个训练样本;基于多个训练样本对待训练的时长预测模型进行循环迭代训练,获得已训练的时长预测模型。由于本申请是在进行模型训练时选用的是整条历史出行轨迹中全部的交通路段和路口路段,预测出的时间更具准确性。
Time length prediction model training and traffic flow speed estimation method, device and equipment
时长预测模型训练和车流速度的预估方法、装置和设备
04.07.2023
Patent
Elektronische Ressource
Chinesisch
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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