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Effects of eye movement on estimating time to contact with an approaching object

机译:眼睛运动对估计与接近物体接触时间的影响

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摘要

When a driver has to judge whether his/her car can turn right at a junction, the driver needs to estimate time-to-contact (TTC) with cars approaching along an oppsite lane. In this situation, there are cues for depth information available to estimating TTC with the approaching car. In addition, the approaching car passes on the right side of the driver, not a frontal collision. In this case, the driver can make a pursuit eye movement to track the approaching car. This study investigated how these factors except retinal image expansion affect estimation of TTC with an approaching object. Results showed that linear perspective and texture gradient of depth cues had no effect on estimation of TTC with an approaching object. However, eye movements reduced the error of TTC estimation with a small approaching object.
机译:当驾驶员必须判断他/她的汽车是否可以在交叉路口右转时,驾驶员需要估计与汽车沿相反车道驶近的接触时间(TTC)。在这种情况下,存在提示深度信息的提示,可用于估算接近的汽车的TTC。另外,驶来的汽车在驾驶员右侧通过,而不是正面碰撞。在这种情况下,驾驶员可以进行追踪眼动以跟踪驶近的汽车。这项研究调查了除视网膜图像扩展以外的这些因素如何影响接近目标的TTC估计。结果表明,深度线索的线性透视和纹理梯度对接近对象的TTC估计没有影响。但是,眼动可以减小目标物体接近时TTC估计的误差。

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