基于高速公路二次事故预防的便携式超速告警系统研究

摘要

Aiming at the application requirements of this over--speed warning system for preventing the secondary accidents on expressway, this study has conducted certain researches on vehicle speed detection, license plate recognition, and wireless warning techniques.Through settling certain key technologies as over-speed vehicle recognition and license plate recognition based on video tracking, this study would accomplish the portable over--speed warning system model used on expressway and provide technical support for the prevention of secondary accidents on expressway.%本超速告警系统针对高速公路二次事故预防的应用需求，围绕车速检测，车牌识别．无线告警技术开展相关研究，通过解决基于视频跟踪的超速车辆识别技术，车牌识别技术等关键技术，完成高速公路用便携式超速告警系统模型，为高速公路二次事故的预防提供技术支持。