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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 15th ACM Symposium on Virtual Reality Software and Technology (VRST 2008) (pp. 157-164). New York, NY, USA: ACM Press.

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 Creators:
Engel, D1, Author           
Curio, C1, Author           
Tcheang, L1, Author           
Mohler, B1, Author           
Bülthoff, HH1, Author           
Feiner, Editor
S., Editor
Thalmann, D., Editor
Guitton, P., Editor
Fröhlich, B., Editor
Kruijff, E., Editor
Hachet, M., Editor
Affiliations:
1Department Human Perception, Cognition and Action, Max Planck Institute for Biological Cybernetics, Max Planck Society, ou_1497797              

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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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 Dates: 2008-10
 Publication Status: Issued
 Pages: -
 Publishing info: -
 Table of Contents: -
 Rev. Type: -
 Identifiers: URI: http://vrst2008.labri.fr/index.php
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: -

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Title: 15th ACM Symposium on Virtual Reality Software and Technology (VRST 2008)
Source Genre: Proceedings
 Creator(s):
Affiliations:
Publ. Info: New York, NY, USA : ACM Press
Pages: - Volume / Issue: - Sequence Number: - Start / End Page: 157 - 164 Identifier: -