The invention relates to a method and system for an automatic generation of a road map of a construction site or mining site. Data records collected by vehicles equipped with a GNSS-positioning system while driving on the construction site or mining site are provided, each data record comprising a position information representing a two-dimensional or three-dimensional position of the vehicle, an identification reference specific to a corresponding vehicle, a time tag, and a heading information; the data records are assigned to corresponding trips based on the time tag and the identification reference; the trips are mapped within an area; the area is divided into a plurality of uniform tiles; for each tile, a heading information variance of the data records covered by the respective tile is determined; a tile is defined as junction tile, if the tile has a heading information variance higher than a computed threshold variance; an area of interest (Aol) having a perimeter is determined by which a plurality of junction tiles is surrounded, the perimeter crossing a plurality of trips at entry boundary points and at exit boundary points; one or more entry transition points are determined by clustering entry boundary points based on a similarity criterion, wherein each entry transition point is located at a centroid of the respective cluster, one or more exit transition points are determined by clustering exit boundary points based on the similarity criterion, wherein each exit transition point is located at a centroid of the respective cluster, a graph of the road map is built by connecting the transition points based on the trips.


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    Titel :

    GNSS-BASED MAP GENERATION


    Weitere Titelangaben:

    GNSS-BASIERTE KARTENERZEUGUNG
    GÉNÉRATION DE CARTE BASÉE SUR GNSS


    Beteiligte:

    Erscheinungsdatum :

    14.10.2020


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Englisch


    Klassifikation :

    IPC:    G01C Messen von Entfernungen, Höhen, Neigungen oder Richtungen , MEASURING DISTANCES, LEVELS OR BEARINGS / G08G Anlagen zur Steuerung, Regelung oder Überwachung des Verkehrs , TRAFFIC CONTROL SYSTEMS / G09B Unterrichts- oder Vorführungsgeräte , EDUCATIONAL OR DEMONSTRATION APPLIANCES



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