The invention relates to a vehicle track prediction data processing method based on road characteristics, which fuses the relation characteristics between road sections and the characteristics of the road sections in vehicle track data and aims to establish the characteristic association between the vehicle track data and the road where the vehicle track data is located so as to better represent the generality and characteristics of vehicle tracks under different road conditions. The method comprises the following steps: establishing a road section relation graph, and obtaining a relation matrix F1 between road sections; acquiring a feature matrix F2 of the road section based on the fitting curve of the road section, the type of the road section and the lane number; vehicle track point coordinate mapping (u, n) is obtained, u is a mapping point parameter of a track point on the fitting curve, and n is the distance between the mapping point and the track point; and fusing the relation matrix F1 among the road sections, the feature matrix F2 of the road sections and the vehicle track point coordinate mapping (u, n) to obtain vehicle track representation. The invention further provides a device based on the method.

    本发明涉及一种基于道路特征的车辆轨迹预测数据处理方法,在车辆轨迹数据中融合路段间关系特征和路段的特征,目的是建立车辆轨迹数据与其所处道路的特征关联,从而更好地表示不同道路条件下车辆轨迹的共性与特性。所述方法包括下述步骤:建立路段关系图,获取路段间关系矩阵F1;基于路段的拟合曲线、路段类型和车道数,获取路段的特征矩阵F2;获取车辆轨迹点坐标映射(u,n),u为轨迹点在拟合曲线上的映射点参数,n为映射点与轨迹点之间的距离;将路段间关系矩阵F1、路段的特征矩阵F2、以及车辆轨迹点坐标映射(u,n)进行融合,进而获得车辆轨迹表示。本发明基于方法还实现了一种装置。


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    Title :

    Vehicle track prediction data processing method and device based on road characteristics


    Additional title:

    基于道路特征的车辆轨迹预测数据处理方法和装置


    Contributors:
    ZHANG QIESHI (author) / CHENG JUN (author) / ZHAN TINGZHANG (author) / REN ZILIANG (author) / GAO XIANGYANG (author) / KANG YUHANG (author)

    Publication date :

    2022-04-29


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    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



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