The invention provides a method for detecting entrance of a vehicle into a polygonal electronic fence region. The method for detecting the entrance of the vehicle into the polygonal electronic fence region comprises the following steps: judging whether the electronic fence region is a convex polygonal region or a concave polygonal region; converting the concave polygonal region to a convex polygonal region if the electronic fence region is the concave polygonal region; making a reference straight line based on each side of the convex polygonal region, constructing reference straight lines with directions according to the clockwise or counterclockwise direction based on the various sides and judging whether the vehicle is positioned on the same side of all the reference straight lines or not if the electronic fence region is the convex polygonal region; confirming that the vehicle enters the electronic fence region if the vehicle is positioned on the same side of all the reference straight lines of the electronic fence region.


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    Titel :

    Method for detecting entrance of vehicle into polygonal electronic fence region


    Beteiligte:
    ZHANG TIANYU (Autor:in) / CHU YANGBO (Autor:in)

    Erscheinungsdatum :

    2015-04-29


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Englisch


    Klassifikation :

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



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