Revisiting the Scheme of Walking-in-Place by Introducing Step-Height Control, Elastic Input and Pseudo-Haptic Feedback

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PubDate: May 2022

Teams: University of Tokyo;Univ. Rennes

Writers: Yutaro Hirao, Takuji Narumi, Ferran Argelaguet, Anatole Lécuyer

PDF: Revisiting the Scheme of Walking-in-Place by Introducing Step-Height Control, Elastic Input and Pseudo-Haptic Feedback

Abstract

Walking-in-place (WIP) is a locomotion technique that enables users to walk infinitely through vast virtual environments using walking-like gestures within a limited physical space. This paper investigates alternative interaction schemes for WIP, addressing successively the control, input, and output of WIP. First, we introduce a novel height-based control to increase advance speed. Second, we introduce a novel input system for WIP based on elastic and passive strips. Third, we introduce the use of pseudo-haptic feedback as a novel output for WIP meant to alter walking sensations. The results of a series of user studies show that height and frequency based control of WIP can facilitate higher virtual speed with greater efficacy and ease than in frequency-based WIP. Second, using an upward elastic input system can result in a stable virtual speed control, although excessively strong elastic forces may impact the usability and user experience. Finally, using a pseudo-haptic approach can improve the perceived realism of virtual slopes. Taken together, our results promote the investigation and use of alternative interaction WIP schemes in future virtual reality applications.

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