To correctly associate front-license plate information with rear-license plate information as the same vehicle in a multi-lane free flow type system.SOLUTION: A license plate reader is supported by one support member provided on a lane and comprises a front-photographing camera, a rear-photographing camera, and a tracking camera installed above the lane. The front-photographing camera is installed so as to be capable of photographing a vehicle positioned on the upstream side of the lane from an installation position of the support member in a lane direction, and the rear-photographing camera is installed so as to be capable of photographing a vehicle positioned on the downstream side of the lane from the installation position of the support member in the lane direction. The tracking camera includes at least a plurality of lanes in a photographing range and includes, in the photographing range, at least both an area included in the photographing range of the front-photographing camera and an area included in the photographing range of the rear-photographing camera.SELECTED DRAWING: Figure 1

    【課題】マルチレーンフリーフロー型のシステムにおいて、前側ナンバープレートの情報と後側ナンバープレートの情報とを、同一車両のものとして正しく関連付ける。【解決手段】ナンバープレート読取装置は、車線に設けられた1つの支持部材に支持されて、当該車線の上方に設置された前撮用カメラ、後撮用カメラ、およびトラッキング用カメラを備え、前記前撮用カメラは、車線方向における前記支持部材の設置位置から当該車線の上流側に位置する車両を撮影可能に設置され、前記後撮用カメラは、車線方向における前記支持部材の設置位置から前記車線の下流側に位置する車両を撮影可能に設置され、前記トラッキング用カメラは、少なくとも複数車線を撮影範囲に含み、かつ、少なくとも、前記前撮用カメラの撮影範囲に含まれる領域と、前記後撮用カメラの撮影範囲に含まれる領域との両方を撮影範囲に含む。【選択図】図1


    Access

    Download


    Export, share and cite



    Title :

    LICENSE PLATE READER


    Additional title:

    ナンバープレート読取装置


    Contributors:

    Publication date :

    2022-09-05


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

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



    LICENSE PLATE READER

    HORIUCHI TAKEHITO / FUKUDA MASAHIRO / IBUKA SHINJI | European Patent Office | 2016

    Free access

    LICENSE PLATE READER, LICENSE PLATE READING METHOD, AND LICENSE PLATE READING PROGRAM

    ISHIMURA KOJI | European Patent Office | 2021

    Free access

    PC-based car license plate reader

    Hwang, Chung-Mu / Shu, Shyh-Yeong / Chen, Wen-Yu et al. | SPIE | 1992


    Automatic license plate reader utilizing image processing

    Kato,K. / Hinenoya,T. / Mitani,A. et al. | Automotive engineering | 1991


    LICENSE PLATE SHEET, LICENSE PLATE LAMINATE, AND LICENSE PLATE

    MURAMOTO AKIRA / NAKAJIMA TOSHITAKA | European Patent Office | 2019

    Free access