The invention relates to a refined twinborn model-based road section flow detection method and system, and the method comprises the steps: collecting vehicle sensing data through a roadside sensor supervised by traffic police and a road facility management department, building a road twinborn model based on a three-dimensional physical engine in combination with road network topological data, and carrying out the calculation of the twinborn model. Parallel world scene restoration and vehicle movement track restoration are carried out, a virtual section collision body is placed on a road section needing flow detection, a three-dimensional physical engine is used for detecting collision and penetration events of a vehicle model and the virtual section in a three-dimensional twin world, and the number of vehicles passing through the virtual section is calculated; and related detailed traffic flow indexes are calculated, so that the problems that a traditional traffic flow detection method is limited by the installation position of detection equipment and is poor in flexibility and fineness are solved, the refinement degree of traffic flow detection is greatly improved, and a powerful tool is provided for accurate detection of urban road traffic flow. The flexibility of road traffic flow detection is effectively improved, and the urban traffic management level is improved.
本发明涉及一种精细化基于孪生模型的道路断面流量检测方法及系统,通过交警和路设管理部门监管的路侧传感器采集车辆感知数据,结合路网拓扑数据,基于三维物理引擎构建道路孪生模型,进行平行世界场景还原和车辆运动轨迹还原,并在需要进行流量检测的道路断面放置虚拟断面碰撞体,利用三维物理引擎检测三维孪生世界中车辆模型与虚拟断面的碰撞和穿透事件,计算通过该虚拟断面的车辆数量,并计算相关细化交通流量指标,解决了传统交通流量检测方法受限于检测设备安装位置,灵活性和精细度较差的问题,大大提高交通流量检测的精细化程度,为城市道路交通流量精准检测提供了有力工具,有效提高道路交通流量检测的灵活度,提升城市交通管理水平。
Refined twinborn model-based road section flow detection method and system
一种精细化基于孪生模型的道路断面流量检测方法及系统
2024-10-11
Patent
Electronic Resource
Chinese
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