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驾驶员视觉兴趣区域指标确定及影响因素分析

Keywords: 交通工程,视觉兴趣区,Matlab,面积,重心坐标

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Abstract:

为定量描述驾驶员在行驶过程中的视觉搜索特性,提出"驾驶员视觉兴趣区域"的概念,包括单位时间视觉兴趣区面积和视觉兴趣区重心坐标两指标。在此基础上,通过试验获得驾驶员眼动指标,并利用Matlab计算出单位时间视觉兴趣区面积和重心坐标。视觉信息由公路线形、车辆行驶状态和交通流等组成,其影响因素分别为公路平面线形条件、行驶速度和前方车辆数。最后,通过室内外试验获得驾驶员眼动数据,定量分析并回归出驾驶员视觉兴趣区域与视觉信息影响因素的相关性模型。

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