The invention discloses a sparse road network traffic state coarseness evaluation method. The method comprises the following steps: acquiring pavement video data in a period through a plurality of image acquisition devices; grouping the plurality of image acquisition devices, and establishing a plurality of groups of polling queues; extracting a group of video data in the polling queue, intercepting a first I frame of each video data, and performing format conversion; inputting the converted data into a target detection model, and outputting an identification result; and extracting the next group of video data of the polling queue for format conversion until polling is finished, and calculating, outputting and displaying a traffic state coarse-grained evaluation index. The method is high in practicability, video data of cameras with relatively most deployment of outfield facilities of the expressway is fully utilized, sparse road network traffic state classification coarse-grained evaluation is realized, the method can be applied to the aspects of traffic planning and road management, traffic safety, road maintenance and the like, and related departments of traffic management can be helped to reasonably perform traffic scheduling.

    本发明公开一种稀疏路网交通状态粗粒度评估方法,步骤包括:通过多个图像采集装置采集周期内路面视频数据;将所述多个图像采集装置分组,建立多组轮询队列;提取所述轮询队列内的一组视频数据,并截取每个视频数据的第一个I帧,进行格式转换;将转换后的数据输入目标检测模型,输出识别结果;提取轮询队列下一组视频数据进行格式转换,直到轮询结束,计算交通状态粗粒度评估指标并输出展示。本发明实用性强,充分利用高速公路外场设施部署相对最多的摄像头的视频数据,实现稀疏路网交通状态分类粗粒度评估,可用于交通规划与道路管理、行车安全、道路维护等方面,有助于交通管理的相关部门合理地进行交通调度。


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    Titel :

    Coarse-grained assessment method for traffic state of sparse road network


    Weitere Titelangaben:

    一种稀疏路网交通状态粗粒度评估方法


    Beteiligte:
    SUN DAN (Autor:in) / LIU YIFEI (Autor:in) / LU XIAOYU (Autor:in) / SU PENG (Autor:in)

    Erscheinungsdatum :

    2022-12-16


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Chinesisch


    Klassifikation :

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



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