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Reorientation during body turns

Published: 07 December 2009 Publication History

Abstract

Immersive virtual environment (IVE) systems allow users to control their virtual viewpoint by moving their tracked head and by walking through the real world, but usually the virtual space which can be explored by walking is restricted to the size of the tracked space of the laboratory. However, as the user approaches an edge of the tracked walking area, reorientation techniques can be applied to imperceptibly turn the user by manipulating the mapping between real-world body turns and virtual camera rotations. With such reorientation techniques, users can walk through large-scale IVEs while physically remaining in a reasonably small workspace.
In psychophysical experiments we have quantified how much users can unknowingly be reoriented during body turns. We tested 18 subjects in two different experiments. First, in a just-noticeable difference test subjects had to perform two successive body turns between which they had to discriminate. In the second experiment subjects performed body turns that were mapped to different virtual camera rotations. Subjects had to estimate whether the visually perceived rotation was slower or faster than the physical rotation. Our results show that the detection thresholds for reorientation as well as the point of subjective equality between real movement and visual stimuli depend on the virtual rotation angle.

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Cited By

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  • (2019)Turn Your Head Half RoundProceedings of Mensch und Computer 201910.1145/3340764.3340778(235-243)Online publication date: 8-Sep-2019
  • (2013)The Perceived Naturalness of Virtual Locomotion Methods Devoid of Explicit Leg MovementsProceedings of Motion on Games10.1145/2522628.2522655(155-164)Online publication date: 6-Nov-2013
  • (2013)Human sensitivity to dynamic rotation gains in head-mounted displaysProceedings of the ACM Symposium on Applied Perception10.1145/2492494.2492514(71-74)Online publication date: 22-Aug-2013
  • Show More Cited By

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Information

Published In

cover image Guide Proceedings
JVRC'09: Proceedings of the 15th Joint virtual reality Eurographics conference on Virtual Environments
December 2009
156 pages

Sponsors

  • RHONE: RHONE
  • PPF Intractions Multimodales: PPF Intractions Multimodales
  • Rhône Alpes: Rhône Alpes
  • ONLYLYON: ONLYLYON
  • Haption: Haption

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Eurographics Association

Goslar, Germany

Publication History

Published: 07 December 2009

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Cited By

View all
  • (2019)Turn Your Head Half RoundProceedings of Mensch und Computer 201910.1145/3340764.3340778(235-243)Online publication date: 8-Sep-2019
  • (2013)The Perceived Naturalness of Virtual Locomotion Methods Devoid of Explicit Leg MovementsProceedings of Motion on Games10.1145/2522628.2522655(155-164)Online publication date: 6-Nov-2013
  • (2013)Human sensitivity to dynamic rotation gains in head-mounted displaysProceedings of the ACM Symposium on Applied Perception10.1145/2492494.2492514(71-74)Online publication date: 22-Aug-2013
  • (2012)Scene-motion thresholds during head yaw for immersive virtual environmentsACM Transactions on Applied Perception10.1145/2134203.21342079:1(1-23)Online publication date: 5-Mar-2012

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