To suppress an increase of a processing load and a recognition leakage of a license plate.SOLUTION: A license plate recognition device includes a recognition section for performing license plate recognition processing from a moving image of a road surface on which mobile objects are traveling. When a congestion state of moving objects on a road surface is in a first state, the recognition section performs license plate recognition processing with respect to a first image selected from a moving image having a first frame rate, when a congestion state of mobile objects on a road surface is in a second state where a congestion level is higher than that of the first state, the recognition section performs license plate recognition processing with respect to a second image constituting a moving image that has a second frame rate lower than the first frame rate.SELECTED DRAWING: Figure 3

    【課題】処理負荷の増加、およびナンバープレートの認識漏れを抑制する。【解決手段】移動物体が走行する路面の動画像からナンバープレートの認識処理を行う認識部を備え、前記認識部は、前記路面における前記移動物体の混雑状態が第1の状態である場合、第1のフレームレートを有する動画像から選択された第1の画像に対してナンバープレートの認識処理を行い、前記路面における前記移動物体の混雑状態が前記第1の状態よりも混雑度が高い第2の状態である場合、前記第1のフレームレートよりも低い第2のフレームレートを有する動画像を構成する第2の画像に対してナンバープレートの認識処理を行う、ナンバープレート認識装置。【選択図】図3


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    Title :

    LICENSE PLATE RECOGNITION DEVICE, LICENSE PLATE RECOGNITION METHOD, AND PROGRAM


    Additional title:

    ナンバープレート認識装置、ナンバープレート認識方法およびプログラム


    Contributors:
    SUZUKI MARI (author) / MASUDA MAKOTO (author) / OISHI KEIKO (author)

    Publication date :

    2020-01-16


    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 / G06T Bilddatenverarbeitung oder Bilddatenerzeugung allgemein , IMAGE DATA PROCESSING OR GENERATION, IN GENERAL



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