Taxonomy and Implementation of Redirection Techniques for Ubiquitous Passive Haptic Feedback

Frank Steinicke, Gerd Bruder, Luv Kohli, Jason Jerald, Klaus H. Hinrichs
Proceedings of the International Conference on Cyberworlds (CW), page 217--223 - 2008
Download the publication : steinickef_redirection.pdf [2.7Mo]  
Traveling through immersive virtual environments (IVEs) by means of real walking is an important activity to increase naturalness of VR-based interaction. However, the size of the virtual world often exceeds the size of the tracked space so that a straightforward implementation of omni-directional and unlimited walking is not possible. Redirected walking is one concept to solve this problem of walking in VEs by inconspicuously guiding the user on a physical path that may differ from the path the user visually perceives. When the user approaches a virtual object she can be redirected to a real proxy object that is registered to the virtual counterpart and provides passive haptic feedback. In such passive haptic environments, any number of virtual objects can be mapped to proxy objects having similar haptic properties, e.g., size, shape and texture. The user can sense a virtual object by touching its real world counterpart. Redirecting a user to a registered proxy object makes it necessary to predict the user's target location in the VE. Based on this prediction we determine a path through the physical space such that the user is guided to the registered proxy object. We present a taxonomy of possible redirection techniques that enable user guidance such that inconsistencies between visual and proprioceptive stimuli are imperceptible. We describe how a user's target in the virtual world can be predicted reliably and how a corresponding real-world path to the registered proxy object can be derived.

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BibTex references

@InProceedings\{SBKJH08,
  author       = "Steinicke, Frank and Bruder, Gerd and Kohli, Luv and Jerald, Jason and Hinrichs, Klaus H.",
  title        = "Taxonomy and Implementation of Redirection Techniques for Ubiquitous Passive Haptic Feedback",
  booktitle    = "Proceedings of the International Conference on Cyberworlds (CW)",
  pages        = "217--223",
  year         = "2008",
  publisher    = "IEEE Press",
  note         = "(acceptance rate 39\%)",
  url          = "http://basilic.informatik.uni-hamburg.de/Publications/2008/SBKJH08"
}

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» Frank Steinicke
» Gerd Bruder
» Jason Jerald
» Klaus H. Hinrichs