The invention provides a vehicle license plate recognition method and device. The method comprises the following steps: determining a target vehicle in vehicle pictures captured by checkpoint cameras, and identifying a vehicle license plate of the target vehicle; when identifying the vehicle license plate of the target vehicle is unsuccessful, with the picture snapshot time and the picture snapshot place of the target vehicle as a base point, obtaining a snapshot vehicle picture set in a set time range and a set area coverage range; and carrying out statistical analysis on the vehicle pictures in the snapshot vehicle picture set according to feature information of the target vehicle, and determining license plate characters of the target vehicle according to the statistical analysis result, wherein the feature information comprises the license plate characters and one or more of the following features: vehicle model, color, brand and driving direction. The method and device can accurately recognize the license plate characters under the complex environment of light ray influence and target interference influence and the like, and relieve the problem of low recognition rate under the complex environment.


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    Title :

    Vehicle license plate recognition method and device


    Contributors:
    SHI SHAOFEI (author) / XUE HAIZHEN (author) / SHI KE (author)

    Publication date :

    2015-12-09


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

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



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