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Continuously-Adaptive Haptic Rendering

  • Jihad El-Sana
  • Amitabh Varshney
Part of the Eurographics book series (EUROGRAPH)

Abstract

Haptic display with force feedback is often necessary in several virtual environments. To enable haptic rendering of large datasets we introduce Continuously-Adaptive Haptic Rendering, a novel approach to reduce the complexity of the rendered dataset. We construct a continuous, multiresolution hierarchy of the model during the pre-processing and then at run time we use high-detail representation for regions around the probe pointer and coarser representation farther away. We achieve this by using a bell-shaped filter centered at the position of the probe pointer. Using our algorithm we are able to haptically render one to two orders of magnitude larger datasets than otherwise possible. Our approach is orthogonal to the previous work done in accelerating haptic rendering and thus can be used with them.

Keywords

Virtual Environment Force Feedback Probe Pointer Haptic Device Haptic Interface 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Springer-Verlag/Wien 2000

Authors and Affiliations

  • Jihad El-Sana
    • 1
  • Amitabh Varshney
    • 2
  1. 1.Department of Computer ScienceBen-Gurion UniversityBeer-ShevaIsrael
  2. 2.Department of Computer ScienceUniversity of Maryland at College ParkCollege ParkUSA

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