论文标题
触觉反馈从指尖转移到手腕，以在虚拟现实中进行双指操纵
Haptic Feedback Relocation from the Fingertips to the Wrist for Two-Finger Manipulation in Virtual Reality
论文作者
论文摘要
将触觉反馈从指尖转移到手腕上的迁移被认为是使与混合现实虚拟环境相互作用的一种方式，同时使手指免费完成其他任务。我们介绍了一对戴着腕部的触觉触觉设备以及一个虚拟环境，以研究手指和触觉者之间的各种映射如何影响任务性能。向手腕呈现的触觉反馈反映了由食指和拇指控制的虚拟物体和虚拟化身之间发生的相互作用。我们进行了一项用户研究，比较了四个不同的手指触觉反馈映射和一个无反馈条件作为对照。我们评估了用户通过任务完成时间的指标，手指和虚拟立方体的路径长度，以及在指尖处的正常和剪切力的大小来评估用户执行简单的选择任务的能力。我们发现多次映射是有效的，当视觉提示受到限制时，会产生更大的影响。我们讨论了方法的局限性，并描述了朝着腕上戴上腕部设备的多重自由度触觉渲染的下一步，以改善虚拟环境中的任务性能。
Relocation of haptic feedback from the fingertips to the wrist has been considered as a way to enable haptic interaction with mixed reality virtual environments while leaving the fingers free for other tasks. We present a pair of wrist-worn tactile haptic devices and a virtual environment to study how various mappings between fingers and tactors affect task performance. The haptic feedback rendered to the wrist reflects the interaction forces occurring between a virtual object and virtual avatars controlled by the index finger and thumb. We performed a user study comparing four different finger-to-tactor haptic feedback mappings and one no-feedback condition as a control. We evaluated users' ability to perform a simple pick-and-place task via the metrics of task completion time, path length of the fingers and virtual cube, and magnitudes of normal and shear forces at the fingertips. We found that multiple mappings were effective, and there was a greater impact when visual cues were limited. We discuss the limitations of our approach and describe next steps toward multi-degree-of-freedom haptic rendering for wrist-worn devices to improve task performance in virtual environments.
