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Issue No.07 - July (2012 vol.18)
pp: 1041-1052
B. J. Mohler , Max Planck Inst. for Biol. Cybern., Tubingen, Germany
ABSTRACT
Redirected walking techniques allow people to walk in a larger virtual space than the physical extents of the laboratory. We describe two experiments conducted to investigate human sensitivity to walking on a curved path and to validate a new redirected walking technique. In a psychophysical experiment, we found that sensitivity to walking on a curved path was significantly lower for slower walking speeds (radius of 10 m versus 22 m). In an applied study, we investigated the influence of a velocity-dependent dynamic gain controller and an avatar controller on the average distance that participants were able to freely walk before needing to be reoriented. The mean walked distance was significantly greater in the dynamic gain controller condition, as compared to the static controller (22 m versus 15 m). Our results demonstrate that perceptually motivated dynamic redirected walking techniques, in combination with reorientation techniques, allow for unaided exploration of a large virtual city model.
INDEX TERMS
psychology, avatars, gain control, gait analysis, virtual city model, velocity-dependent dynamic curvature gain, redirected walking techniques, virtual space, human walking sensitivity, curved path, psychophysical experiment, velocity-dependent dynamic gain controller, avatar controller, dynamic gain controller condition, static controller, reorientation techniques, Legged locomotion, Sensitivity, Trajectory, Virtual environments, Particle measurements, Atmospheric measurements, Games, avatars., Virtual reality, redirected walking, virtual locomotion, curvature sensitivity
CITATION
B. J. Mohler, "Velocity-Dependent Dynamic Curvature Gain for Redirected Walking", IEEE Transactions on Visualization & Computer Graphics, vol.18, no. 7, pp. 1041-1052, July 2012, doi:10.1109/TVCG.2011.275
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