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基于视觉的驾驶人疲劳及注意力监测方法

, PP. 104-109

Keywords: 智能运输系统,疲劳及注意力监测方法,机器视觉,驾驶人

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Abstract:

对驾驶人疲劳状态监测技术进行了深入研究,分析了在实际应用中存在的问题,在此基础上提出基于灰度方差定位驾驶人面部,利用投影曲线极点位置分割面部器官独立区域,对每一个独立区域进行OSTU计算和轮廓提取,最终获得眼睛的轮廓状态,利用PERCLOS判断驾驶人的精神状态。利用驾驶人面部器官定位的结果,对人体头部旋转运动模型进行分析,提出了计算驾驶人面部旋转角度的计算方法。最后给出判断驾驶人的注意力是否分散的判断策略。试验结果表明,该算法实时性好,具有较好的鲁棒性,可以为驾驶人疲劳状态及注意力状态的判断提供较为准确的依据。

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