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运用多源信息检测技术对驾驶状态进行综合检测,利用架设在车辆外部的摄像机获取本车与前方车辆之间的相对距离、相对速度信息,利用架设在车辆内部的摄像机获取驾驶人状态信息,通过综合判断降低车辆防撞检测的漏警率、误警率以及冗余报警率;构建车辆行驶安全判定规则,对行车实时危险和潜在危险进行检测、分析与判断,获取可靠的防撞警示提醒;使反应时间、相对距离、相对速度3个方面都能得到优化控制,从而避免车辆碰撞事故;同时也为提高车速、增加道路通行能力、实现自动驾驶等奠定良好的基础。
Using multi-source information detection technology to conduct comprehensive detection of driving status, using the camera built on the outside of the vehicle to obtain the relative distance and relative speed information between the host vehicle and the vehicle ahead, using the camera built in the vehicle to obtain the driver status information, Synthetically judge the leakage alarm rate, false alarm rate and redundant alarm rate of vehicle collision avoidance detection; construct the rules of vehicle driving safety judgment, detect, analyze and judge the real-time danger and potential danger of vehicle driving, and obtain the reliable warning of collision warning; So that the reaction time, the relative distance, the relative speed of the three aspects can be optimized control, so as to avoid vehicle collision accident; also improve the speed, increase the capacity of the road to achieve automatic driving lay a good foundation.