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随着我国社会管理体系的不断完善,视频监控系统正成为我国城市管理和社会管理的重要手段。治安管理、道路交通管理视频监控网络正逐步形成,许多发生在视频监控区域的交通事故可以调取到视频资料,这有利于对事故的分析和处理。本文首先提出了使用监控视频来计算车速的方法,通过视频分析计算而来的车速数据,转化为对应的时间速度曲线,然后通过“时间速度曲线”来对整个事故过程进行还原,从而分析肇事车辆的运动状态、肇事车辆制动强度、驾驶员的操作过程、采取措施情况等,为交警部门提供处理事故的依据。
As China's social management system continues to improve, video surveillance system is becoming an important means of urban management and social management in our country. Public security management and road traffic management video monitoring network are gradually taking shape. Many traffic accidents occurring in the video surveillance area can retrieve video data, which is helpful for the analysis and handling of accidents. In this paper, firstly, a method of using video surveillance to calculate vehicle speed is proposed. Vehicle speed data calculated by video analysis are transformed into corresponding time speed curves, and then the whole accident process is restored through “Time Speed Curve” to analyze The vehicle movement status, the accident vehicle braking strength, the driver's operation process, to take measures, etc., for the traffic police department to provide the basis for handling the accident.