The invention relates to a system and a method for detecting an overrun freight vehicle with a blocked license plate. The method comprises the following steps of: acquiring an average speed V1, an appearance feature image and weight data M of a truck on a certain uphill road section; identifying the color of the truck, segmenting the basic shape of the truck, detecting the edge of the image by using a Canny operator, and obtaining the length, width and height data of the truck; judging the type of the truck according to the length, width and height data of the truck, extracting the maximum weight data Mmax of the truck, constructing an overrun judgment model according to V1, M and Mmax, and identifying an overrun truck; according to the driving direction of the over-limit vehicle, calling pictures shot by the monitoring facilities along the line, matching the trucks, and extracting license plate information when the license plate is not shielded; and according to the obtained driving path and the historical driving record of the truck, predicting the driving route of the overrun truck. According to the method, the overrun trucks which are illegally refitted and not illegally refitted can be judged by constructing the comprehensive judgment index, and the application range is wide.

    本申请一种遮挡号牌超限货运车辆检测系统及方法,所述方法的步骤为:采集货车某上坡路段的平均速度V1、货车外观特征图像、重量数据M;识别货车颜色并分割车辆的基本形状,使用Canny算子对图像边缘进行检测,获取货车的长宽高数据;根据货车的长宽高数据判定货车类型,并提取该类货车的最大重量数据Mmax,根据V1、M、Mmax构建超限判定模型,识别超限货车;根据超限车辆进行的行驶方向,调取沿线监测设施拍摄的图片,对车辆进行匹配,提取其未遮挡号牌时的车牌信息;根据获得的行驶路径和货车的历史行驶记录,预测超限货车的行驶路线。本申请通过构建综合判定指标能够对非法改装及未非法改装的超限货车进行判定,适用范围广。


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    Title :

    System and method for detecting overrun freight vehicle with blocked license plate


    Additional title:

    一种遮挡号牌超限货运车辆检测系统及方法


    Contributors:
    WAN ZULIANG (author) / LAI MINGZHEN (author) / LI WEIWEI (author) / YANG XINYI (author)

    Publication date :

    2021-11-05


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    G06K Erkennen von Daten , RECOGNITION OF DATA / G06N COMPUTER SYSTEMS BASED ON SPECIFIC COMPUTATIONAL MODELS , Rechnersysteme, basierend auf spezifischen Rechenmodellen / G08G Anlagen zur Steuerung, Regelung oder Überwachung des Verkehrs , TRAFFIC CONTROL SYSTEMS



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