Feedback-controlled locomotion in virtual environments
Pages 447 - 450
Abstract
In this work we propose an extension of our laboratory evaluation framework [1] equipped with a virtual environment (VE). In order to simulate ecologically valid walking in the VE, we evaluate biomechanical processes in gait to control the speed of the treadmill that participants in the laboratory are walking on. Our approach allows predicting the actual speed while walking based on hip movement and additionally on step length. In order to validate our approach we present preliminary results from a study comparing different walking tasks in a VE.
References
[1]
M. Schellenbach, A. Krüger, M. Lövdén, and U. Lindenberger, A laboratory evaluation framework for pedestrian navigation devices. Proceedings of the 4th international conference on mobile technology, applications, and systems and the 1st international symposium on computer human interaction in mobile technology, ACM, Singapore, 2007.
[2]
F. H. Durgin, K. Gigone, and R. Scott, Perception of visual speed while moving. Journal of Experimental Psychology-Human Perception and Performance 31 (2005) 339--353.
[3]
S. Chaudhury, J. M. Eisinger, L. Hao, J. Hicks, R. Chivukula, and K. A. Turano, Visual illusion in virtual world alters women's target-directed walking. Experimental Brain Research 159 (2004) 360--369.
[4]
L. Lichtenstein, J. Barabas, R. L. Woods, and E. Peli, A feedback-controlled interface for treadmill locomotion in virtual environments. ACM Trans. Appl. Percept. 4 (2007) 7.
[5]
J. Hollerbach, D. Grow, and C. Parker, Developments in locomotion interfaces, 2005 IEEE 9th International Conference on Rehabilitation Robotics, Ieee, New York, 2005, pp. 522--525.
[6]
R. P. Darken, W. R. Cockayne, and D. Carmein, The omnidirectional treadmill: a locomotion device for virtual worlds, Proceedings of the 10th annual ACM symposium on User interface software and technology, ACM, Banff, Alberta, Canada, 1997.
[7]
H. Iwata, Walking About Virtual Environments on an Infinite Floor, Proceedings of the IEEE Virtual Reality, IEEE Computer Society, 1999.
[8]
A. E. Minetti, L. Boldrini, L. Brusamolin, P. Zamparo, and T. McKee, A feedback-controlled treadmill (treadmill-on-demand) and the spontaneous speed of walking and running in humans. Journal of Applied Physiology 95 (2003) 838--843.
Index Terms
- Feedback-controlled locomotion in virtual environments
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October 2008
621 pages
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Published: 20 October 2008
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