基于行车记录数据的道路交叉口信号灯周期提取  

Signal period extraction of road intersection based on driving record data

作　　者：吴广君 马成辉 WU Guangjun;MA Chenghui(YiRen(Shanghai)Technology Co.,Ltd.,Shanghai 200433,China)

机构地区：[1]弈人(上海)科技有限公司,上海200433

出　　处：《测绘技术装备》2025年第1期71-75,共5页Geomatics Technology and Equipment

摘　　要：针对人工采集道路交叉口信号灯信息所需时间周期长,人力、物力耗费大的问题。本文提出了基于行车记录数据的道路交叉口信号周期提取方法。首先,基于车辆行车记录仪采集轨迹和视频数据,检测信号灯在视频中的位置,并判别信号灯的状态(红/绿/黄)和倒计时信息;其次,利用信号灯状态、倒计时和车辆行驶方位角信息计算和推测信号灯周期;最后,以上海市5个路口的实际观测数据为例,验证本文方法。结果表明,本文方法能有效提取信号灯周期信息。In order to solve the problems of long period and large manpower and material resources used in manual collection of intersection signal information,this paper proposes a method of intersection signal period extraction based on driving record data.Firstly,the position of the signal light in the video is detected,and the status of the signal light(red light,green light,yellow light)and countdown information are judged according to the track and video data collected by the vehicle traffic recorder.Secondly,the signal period is calculated and predicted using the signal state,countdown and vehicle azimuth information.Finally,the real observation data of five intersections in Shanghai City is taken as an example to verify the proposed method.The results show that the proposed method can effectively extract the signal light period information.

关 键 词：行车记录数据 信号灯周期 图像识别 

分 类 号：U495[交通运输工程—交通运输规划与管理]