Novel shutter glass control for simultaneous projection and picture acquisition

  • Authors:
  • Andreas M. Kunz;Christian P. Spagno

  • Affiliations:
  • Swiss Federal Institute of Technology Zurich, Center of Product Development;Swiss Federal Institute of Technology Zurich, Center of Product Development

  • Venue:
  • EGVE'01 Proceedings of the 7th Eurographics conference on Virtual Environments & 5th Immersive Projection Technology
  • Year:
  • 2001

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Abstract

Virtual reality offers completely new possibilities for collaborative work over distributed environments. To enable collaborative work, it is necessary that both, virtual objects as well as the other users, can be seen simultaneously in real-time. A novel technique is necessary to overcome the contradiction of darkness and light for image projection and video acquisition, respectively. A stroboscopic light and a camera system are added to the existing VR-system and a few modification are made to existing shutter glasses. In such a solution, the method of projection in the VR-system remains unmodified. This paper describes how to resolve this contradiction with the constraint to make as few changes as possible to existing VR-systems. Furthermore the timing of the different devices is discussed.