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

MPG-Autoren
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Engel,  D
Department Human Perception, Cognition and Action, Max Planck Institute for Biological Cybernetics, Max Planck Society;
Max Planck Institute for Biological Cybernetics, Max Planck Society;
Project group: Cognitive Engineering, Max Planck Institute for Biological Cybernetics, Max Planck Society;

/persons/resource/persons83871

Curio,  C
Department Human Perception, Cognition and Action, Max Planck Institute for Biological Cybernetics, Max Planck Society;
Max Planck Institute for Biological Cybernetics, Max Planck Society;
Project group: Cognitive Engineering, Max Planck Institute for Biological Cybernetics, Max Planck Society;

/persons/resource/persons84088

Mohler,  B
Department Human Perception, Cognition and Action, Max Planck Institute for Biological Cybernetics, Max Planck Society;
Max Planck Institute for Biological Cybernetics, Max Planck Society;

/persons/resource/persons83839

Bülthoff,  HH
Department Human Perception, Cognition and Action, Max Planck Institute for Biological Cybernetics, Max Planck Society;
Max Planck Institute for Biological Cybernetics, Max Planck Society;

Externe Ressourcen

https://dl.acm.org/citation.cfm?doid=1450579.1450612
(Verlagsversion)

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Zitation

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.


Zitierlink: https://hdl.handle.net/11858/00-001M-0000-0013-C6BD-2
Zusammenfassung
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.