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科技导报  2014 

考虑驾驶人换道意图的车道偏离预警系统

DOI: 10.3981/j.issn.1000-7857.2014.19.007, PP. 48-52

Keywords: 车道偏离,预警系统,换道意图

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Abstract:

为降低基于机器视觉车道偏离预警系统的误警率,提出一种考虑驾驶人换道意图的车道偏离预警系统。运用SteerableFilter方法对所采集的道路图像信息进行滤波,运用局部搜索区域法提取车道线参数,运用基于图像信息的识别方法检测车辆的车速、转向信号、车道偏离状态以及驾驶人的头部动作状态,判断驾驶人的换道意图,建立了车道偏离预警的决策算法及系统。应用Matlab软件对实车采集得到的视频进行算法验证和系统仿真试验,结果表明,提出的车道偏离预警决策算法是可行的,该预警系统将有意识与无意识的车道偏离区分开,从而能有效屏蔽在驾驶人有意识偏离车道时的误报警,具有更高的可靠性。

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