The invention provides an intersection signal adaptive control method based on a high-altitude video, and the method comprises the following steps: S1, calibrating a camera, and configuring intersection lane information; s2, setting intersection signal control basic constraint parameters; s3, detecting the real-time traffic flow of the intersection, and calculating a basic timing scheme; and S4, calculating an adaptive control scheme based on the basic timing scheme. According to the invention, the lane distribution of the whole intersection and the traffic flow of each lane can be rapidly obtained and applied to the generation of the signal control timing scheme; step-by-step adjustment can be performed based on the current credit control scheme in combination with the self-adaptive control correction coefficient, and the bad condition that the change of the previous and later credit control schemes is too large and the driving safety is not facilitated is avoided; the lane-level traffic jam index and the vehicle delay index can be obtained in the current signal control period, the green light time of the residual phase in the current period is adaptively controlled and adjusted, and the method is more adaptive to traffic flow abnormal changes caused by various emergencies.
本发明提供一种基于高空视频的交叉口信号自适应控制方法,所述方法包括以下步骤S1、相机标定,配置交叉口车道信息;S2、设置交叉口信控基础约束参数;S3、检测交叉口实时交通流量,计算基础配时方案;S4、基于所述基础配时方案计算自适应控制方案。本发明能够快速获取整个交叉口车道分布,以及各车道车流量,并将之应用于信控配时方案的生成;能够基于当前信控方案,结合自适应控制修正系数进行逐步调整,不会出现前后信控方案变化太大、不利于行车安全的不良情况;能够在当前信控周期内,获取车道级交通拥堵指数和车辆延误指数,对当前周期剩余相位的绿灯时间进行自适应控制调整,更加适配各种突发情况导致的车流异常变化。
Intersection signal adaptive control method based on high-altitude video
一种基于高空视频的交叉口信号自适应控制方法
2024-06-18
Patent
Electronic Resource
Chinese
IPC: | G08G Anlagen zur Steuerung, Regelung oder Überwachung des Verkehrs , TRAFFIC CONTROL SYSTEMS |
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