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Modified shutter glasses for projection and picture acquisition in virtual environments

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2 Author(s)
Kunz, A.M. ; Center of Product Dev., Swiss Fed. Inst. of Technol., Zurich, Switzerland ; Spagno, C.P.

Virtual reality (VR) can be extended to create a collaborative distributed environment over a physical network. However, such an environment can only be established if both the virtual objects and the other users can be seen simultaneously in real time. This requires a novel technique to overcome the contradicting requirements of darkness and light for image projection and video acquisition, respectively. In order to make an inexpensive and easy-to-build solution, a camera acquisition system and a stroboscopic light are added to an existing VR system. Modifications are made to existing shutter glasses to handle simultaneous projection and video acquisition. In such a solution, the method of projection in the VR system remains unmodified. This paper describes how to resolve the conflict between the darkness required for projection and sufficient lighting for video acquisition.

Published in:

Virtual Reality, 2001. Proceedings. IEEE

Date of Conference:

17-17 March 2001