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Towards virtual reality infinite walking: dynamic saccadic redirection

Published: 30 July 2018 Publication History

Abstract

Redirected walking techniques can enhance the immersion and visual-vestibular comfort of virtual reality (VR) navigation, but are often limited by the size, shape, and content of the physical environments.
We propose a redirected walking technique that can apply to small physical environments with static or dynamic obstacles. Via a head- and eye-tracking VR headset, our method detects saccadic suppression and redirects the users during the resulting temporary blindness. Our dynamic path planning runs in real-time on a GPU, and thus can avoid static and dynamic obstacles, including walls, furniture, and other VR users sharing the same physical space. To further enhance saccadic redirection, we propose subtle gaze direction methods tailored for VR perception.
We demonstrate that saccades can significantly increase the rotation gains during redirection without introducing visual distortions or simulator sickness. This allows our method to apply to large open virtual spaces and small physical environments for room-scale VR. We evaluate our system via numerical simulations and real user studies.

Supplementary Material

MP4 File (067-183.mp4)
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References

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Published In

cover image ACM Transactions on Graphics
ACM Transactions on Graphics  Volume 37, Issue 4
August 2018
1670 pages
ISSN:0730-0301
EISSN:1557-7368
DOI:10.1145/3197517
Issue’s Table of Contents
Permission to make digital or hard copies of all or part of this work for personal or classroom use is granted without fee provided that copies are not made or distributed for profit or commercial advantage and that copies bear this notice and the full citation on the first page. Copyrights for components of this work owned by others than the author(s) must be honored. Abstracting with credit is permitted. To copy otherwise, or republish, to post on servers or to redistribute to lists, requires prior specific permission and/or a fee. Request permissions from [email protected].

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Publication History

Published: 30 July 2018
Published in TOG Volume 37, Issue 4

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Author Tags

  1. human perception
  2. redirected walking
  3. saccade
  4. virtual reality

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