摘要
研究了安全驾驶中驾驶员视线方向的分析与判断;在初步得到人脸区域的情况下采用Canny算子进行边缘检测,再利用Hough变换定位瞳孔,最后对驾驶员视线方向进行分析和判断;通过大量数据的研究以及函数图像拟合,得出了瞳孔位置与偏转角度的关系,并由此得到注意力分散的阈值,当超出此范围时检测系统报警,并且通过实验证明了该方法对注意力分散监测的实时性和有效性。
This paper analyzes and distinguishes the driver＇ s gazing direction. After positioning the face area, Canny operator is used for edge detection and Hough transform to locate the center of the pupils, which then can be used to analyze and distinguish the driver＇s visual focus. By the analysis of collected data and the function fitting, the relationship between the location of the pupils and gazing direction is obtained, and the threshold which indicates distraction is set up. When the threshold is exceeded, an alarm is triggered. The instantaneity and effectiveness of the method on monitoring distraction shown in this paper is verified through experiments.
出处
《计算机测量与控制》
CSCD
北大核心
2010年第4期766-769,共4页
Computer Measurement &Control
