PROBLEM TO BE SOLVED: To provide a curve section identification system capable of improving the accuracy in identifying curve section.SOLUTION: The curve section identification system includes: a feature point acquisition section that acquires a feature point which represents a feature point on a road; a line segment acquisition section that acquires a line segment which represents a direction of the road based on the feature point; and a curve section identification section that identifies end points of a curve section based on a crossing angle of the line segments, and when a distance between the feature points is larger than a threshold level depending on the radius of curvature of the curve section, identifies the end points of the curve section based on the feature point, and identifies the curve section based on both end points.SELECTED DRAWING: Figure 5

    【課題】カーブ区間の特定精度を向上させること。【解決手段】道路の形状を示す形状点を取得する形状点取得部と、前記形状点に基づいて、前記道路の方向を示す線分を取得する線分取得部と、前記線分の交差角に基づいてカーブ区間の端点を特定し、前記形状点間の距離が前記カーブ区間の曲率半径に依存する閾値より大きい場合に当該形状点に基づいて前記カーブ区間の端点を特定し、両端点に基づいて前記カーブ区間を特定するカーブ区間特定部と、を備えるカーブ区間特定システムを構成する。【選択図】図5


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    Titel :

    CURVE SECTION IDENTIFICATION SYSTEM, CURVE SECTION IDENTIFICATION METHOD, AND CURVE SECTION IDENTIFICATION PROGRAM


    Weitere Titelangaben:

    カーブ区間特定システム、カーブ区間特定方法およびカーブ区間特定プログラム


    Beteiligte:

    Erscheinungsdatum :

    2016-12-22


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Japanisch


    Klassifikation :

    IPC:    G08G Anlagen zur Steuerung, Regelung oder Überwachung des Verkehrs , TRAFFIC CONTROL SYSTEMS




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