Technical system for collaborative work
EGVE '02 Proceedings of the workshop on Virtual environments 2002
Seamless multi-projector display on curved screens
EGVE '03 Proceedings of the workshop on Virtual environments 2003
Construction of a three-sided immersive telecollaboration system
Presence: Teleoperators and Virtual Environments - Special issue: IEEE VR 2003
Novel shutter glass control for simultaneous projection and picture acquisition
EGVE'01 Proceedings of the 7th Eurographics conference on Virtual Environments & 5th Immersive Projection Technology
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Virtual reality can be extended to create a collaborative distributed environment over a physical network. Such an environment can only be established however, if both, virtual objects and the other users, can be see 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 the 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. The poster describes how to resolve the conflict between the darkness required for projection and sufficient lighting necessary for video acquisition.