Time-to-contact estimation in context

上下文中的接触时间估计

• 批准号: 66270869
• 负责人: Professor Dr. Heiko Hecht
• 金额: --
• 依托单位: Abteilung Allgemeine Experimentelle Psychologie
• 依托单位国家: 德国
• 项目类别: Research Grants
• 财政年份: 2008
• 资助国家: 德国
• 起止时间: 2007-12-31 至 2013-12-31
• 项目状态: 已结题
• 来源: https://gepris.dfg.de/gepris/projekt/66270869?language=en
• 关键词: Time; contact; estimation; context

Many everyday actions require us to perform precise time-to-contact estimations. For instance, when attempting to cross a busy street or to hit a baseball we have to be able to anticipate contact-times with millisecond accuracy. The prominent perceptual theory in this field, tau-theory, assumes that the visual system exploits the relative expansion rate of the retinal object. During the last 10 years, researchers have systematically demonstrated that tau-theory is inadequate. Often simpler visual parameters are being used for time-to-contact estimation, as for example the object's retinal distance from the edge of the visual field. A new, adequate theory of time-to-contact estimation is still lacking. The proposed experi-ments seek to provide a basis for such a new theory, into which two aspects need to be incorporated: The visual and multisensory context on the one hand, and the nature of the task and the observer's perspec-tive on the other hand. The proposed experiments are designed to determine to what extent context fac-tors, be they relevant or irrelevant for the action, task demands, observer perspective etc. influence hu-man time-to-context estimation.

许多日常活动要求我们进行精确的接触时间估计。例如，当试图穿过一条忙碌街道或打一个棒球时，我们必须能够以毫秒级的精度预测接触时间。这个领域中最著名的知觉理论，tau理论，假设视觉系统利用了视网膜物体的相对膨胀率。在过去的10年里，研究人员已经系统地证明了τ理论是不够的。通常，更简单的视觉参数被用于接触时间估计，例如，对象的视网膜距视野边缘的距离。一个新的，充分的理论接触时间估计仍然缺乏。这些实验试图为这种新的理论提供一个基础，其中需要纳入两个方面：一方面是视觉和多感官环境，另一方面是任务的性质和观察者的视角。所提出的实验设计，以确定在何种程度上的上下文因素，无论是相关的或不相关的行动，任务要求，观察者的角度等影响人类的时间到上下文的估计。

项目成果

Visual discrimination thresholds for time to arrival

到达时间的视觉辨别阈值

• DOI: 10.3758/s13414-013-0497-y
• 发表时间: 2013
• 期刊: Attention, Perception, & Psychophysics
• 作者: Landwehr;Baurès;Oberfeld
• 通讯作者: Oberfeld

Effects of a moving distractor object on time-to-contact judgments.

移动干扰物体对接触时间判断的影响

• DOI: 10.1037/0096-1523.34.3.605
• 发表时间: 2008
• 期刊: Journal of experimental psychology. Human perception and performance
• 作者: Oberfeld

Luminance and contrast in visual perception of time to collision

碰撞时间视觉感知的亮度和对比度

• DOI: 10.1016/j.visres.2013.06.009
• 发表时间: 2013
• 期刊: Vision Research
• 影响因子: 1.8
• 作者: Landwehr;Brendel
• 通讯作者: Brendel

Emotional effects on time-to-contact judgments: arousal, threat, and fear of spiders modulate the effect of pictorial content

• DOI: 10.1007/s00221-014-3930-0
• 发表时间: 2014-07-01
• 期刊: EXPERIMENTAL BRAIN RESEARCH
• 影响因子: 2
• 作者: Brendel, Esther;Hecht, Heiko;Gamer, Matthias
• 通讯作者: Gamer, Matthias

Allocentric time-to-contact and the devastating effect of perspective

异中心接触时间和视角的破坏性影响

• DOI: 10.1016/j.visres.2014.08.022
• 发表时间: 2014
• 期刊: Vision Research
• 影响因子: 1.8
• 作者: Landwehr;Both B.
• 通讯作者: Both B.