Horizontal Plane Haptic Redirection: Realizing Haptic Feedback for the Virtual Inclined Plane in VR

IF 2.4 3区计算机科学 Q2 COMPUTER SCIENCE, CYBERNETICS IEEE Transactions on Haptics Pub Date : 2024-01-16 DOI:10.1109/TOH.2024.3354514

Dexin Liu;Hengxin Chen

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Abstract

Some interactions in virtual environments need to be operated on inclined planes. If a real inclined plane can be found in the real environment that corresponds exactly to the angle of the virtual inclined plane to provide haptic feedback, the user's immersion can be enhanced. However, it is not easy to find such a real inclined plane in the real environment. We proposed a horizontal plane haptic redirection scheme, where users interacting with virtual inclined planes in virtual environments can obtain haptic feelings by using real horizontal planes that are easily available in the real world for redirection mapping. We also designed an integrated solution to locate the real horizontal plane and for haptic redirection based on the Vive Pro headset. Then we measured the angle and size thresholds for horizontal plane haptic redirection as 20° and 88%, respectively, through a user study. Through experiments, we also found that when the degree of redirection exceeded the threshold, the user's operation efficiency would be significantly reduced. In addition, we compared the horizontal plane haptic redirection scheme with the scheme without redirection and the scheme without haptic feedback to demonstrate the validity and necessity of the redirection scheme proposed in this paper.

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水平面触觉重定向：在 VR 中实现虚拟倾斜平面的触觉反馈。

虚拟环境中的某些互动需要在倾斜平面上进行操作。如果能在真实环境中找到一个与虚拟斜面角度完全一致的真实斜面来提供触觉反馈，就能增强用户的沉浸感。然而，要在真实环境中找到这样一个真实的倾斜平面并不容易。我们提出了一种水平面触觉重定向方案，用户在虚拟环境中与虚拟倾斜面进行交互时，可以利用现实世界中容易找到的真实水平面进行重定向映射，从而获得触觉感受。我们还设计了一个基于 Vive Pro 头显的集成解决方案，用于定位真实水平面和触觉重定向。然后，我们通过用户研究测得水平面触觉重定向的角度和尺寸阈值分别为 20° 和 88%。通过实验，我们还发现当重定向程度超过阈值时，用户的操作效率会明显降低。此外，我们还将水平面触觉重定向方案与无重定向方案和无触觉反馈方案进行了比较，以证明本文提出的重定向方案的有效性和必要性。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

IEEE Transactions on Haptics COMPUTER SCIENCE, CYBERNETICS-

CiteScore

5.90

自引率

13.80%

发文量

109

审稿时长

>12 weeks

期刊介绍： IEEE Transactions on Haptics (ToH) is a scholarly archival journal that addresses the science, technology, and applications associated with information acquisition and object manipulation through touch. Haptic interactions relevant to this journal include all aspects of manual exploration and manipulation of objects by humans, machines and interactions between the two, performed in real, virtual, teleoperated or networked environments. Research areas of relevance to this publication include, but are not limited to, the following topics: Human haptic and multi-sensory perception and action, Aspects of motor control that explicitly pertain to human haptics, Haptic interactions via passive or active tools and machines, Devices that sense, enable, or create haptic interactions locally or at a distance, Haptic rendering and its association with graphic and auditory rendering in virtual reality, Algorithms, controls, and dynamics of haptic devices, users, and interactions between the two, Human-machine performance and safety with haptic feedback, Haptics in the context of human-computer interactions, Systems and networks using haptic devices and interactions, including multi-modal feedback, Application of the above, for example in areas such as education, rehabilitation, medicine, computer-aided design, skills training, computer games, driver controls, simulation, and visualization.