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  A psychophysically calibrated controller for navigating through large environments in a limited free-walking space

Engel, D., Curio, C., Tcheang, L., Mohler, B., & Bülthoff, H. (2008). A psychophysically calibrated controller for navigating through large environments in a limited free-walking space. In S. Feiner, D. Thalmann, P. Guitton, B. Fröhlich, E. Kruijff, & M. Hachet (Eds.), VRST '08: Proceedings of the 2008 ACM symposium on Virtual reality software and technology (pp. 157-164). New York, NY, USA: ACM Press.

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Item Permalink: http://hdl.handle.net/11858/00-001M-0000-0013-C6BD-2 Version Permalink: http://hdl.handle.net/21.11116/0000-0003-37D2-2
Genre: Conference Paper

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 Creators:
Engel, D1, 2, 3, Author              
Curio, C1, 2, 3, Author              
Tcheang, L, Author              
Mohler, B1, 2, Author              
Bülthoff, HH1, 2, Author              
Affiliations:
1Department Human Perception, Cognition and Action, Max Planck Institute for Biological Cybernetics, Max Planck Society, ou_1497797              
2Max Planck Institute for Biological Cybernetics, Max Planck Society, Spemannstrasse 38, 72076 Tübingen, DE, ou_1497794              
3Project group: Cognitive Engineering, Max Planck Institute for Biological Cybernetics, Max Planck Society, Spemannstrasse 38, 72076 Tübingen, DE, ou_2528702              

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 Abstract: Experience indicates that the sense of presence in a virtual environment is enhanced when the participants are able to actively move through it. When exploring a virtual world by walking, the size of the model is usually limited by the size of the available tracking space. A promising way to overcome these limitations are motion compression techniques, which decouple the position in the real and virtual world by introducing imperceptible visual-proprioceptive conflicts. Such techniques usually precalculate the redirection factors, greatly reducing their robustness. We propose a novel way to determine the instantaneous rotational gains using a controller based on an optimization problem. We present a psychophysical study that measures the sensitivity of visual-proprioceptive conflicts during walking and use this to calibrate a real-time controller. We show the validity of our approach by allowing users to walk through virtual environments vastly larger than the tracking space.

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Language(s):
 Dates: 2008-10
 Publication Status: Published in print
 Pages: -
 Publishing info: -
 Table of Contents: -
 Rev. Method: -
 Identifiers: DOI: 10.1145/1450579.1450612
BibTex Citekey: 5323
 Degree: -

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Title: 15th ACM Symposium on Virtual Reality Software and Technology (VRST 2008)
Place of Event: Bordeaux, France
Start-/End Date: 2008-10-27 - 2008-10-29

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Title: VRST '08: Proceedings of the 2008 ACM symposium on Virtual reality software and technology
Source Genre: Proceedings
 Creator(s):
Feiner, S, Editor
Thalmann, D, Editor
Guitton, P, Editor
Fröhlich, B, Editor
Kruijff, E, Editor
Hachet, M, Editor
Affiliations:
-
Publ. Info: New York, NY, USA : ACM Press
Pages: - Volume / Issue: - Sequence Number: - Start / End Page: 157 - 164 Identifier: ISBN: 978-1-59593-951-7