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虚拟现实中的目标拦截对于自然与非自然的轨迹形状和方向更好

Sofia Varon^1,2, Karsten Babin^3,4, Miriam Spering^5,6

¹Neuroscience Program, University of Western Ontario, London, Ontario, Canada.

Journal of vision

|January 9, 2025

概括

人类在视觉运动任务中的表现通过自然主义的运动轨迹得到改善. 参与者对直立的抛物线和帐的反应更快,显示了轨迹形状和方向如何影响拦截的准确性.

科学领域:

人类的感知和视觉运动控制.
运动和人类表现的物理.
人类因素研究中的虚拟现实应用.

背景情况:

人类在感知和视觉运动任务中的表现受物理定律的遵守的影响,特别是引力加速.
了解轨迹特征如何影响人类表现对于设计直观有效的虚拟环境至关重要.

研究的目的:

调查轨迹形状 (抛物线与帐) 和方向 (直立与倒置) 对虚拟现实环境中手动拦截时间和准确性的影响.
检查视野位置如何影响这些拦截任务的性能.

主要方法:

在虚拟现实中执行的手动拦截任务.
参与者拦截了一个虚拟球,它遵循四种轨迹之一 (抛物线/帐,直立/反转).
视觉固定位置被操纵 (下/上视野).

主要成果:

对于自然主义形状和方向,无论视野如何,都观察到更快的反应时间.
与其他人相比,在倒置帐条件下,精度较差,移动时间较长.
在直立条件下,拦截终点与最终轨迹路径更加一致,这表明方向预期更强.

结论:

轨道形状和方向的自然性显著促进了虚拟拦截任务的性能.
与自然运动的偏差,比如反转的帐轨迹,可能会损害性能.
人类视觉运动系统似乎利用基于自然运动模式的期望来改善任务执行.

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