Communication Visibility in Shared Virtual Worlds
WET-ICE '97 Proceedings of the 6th Workshop on Enabling Technologies on Infrastructure for Collaborative Enterprises
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Real-time reproduction of a 3D human image is realized by an experimental system built for the realization of virtual space teleconferencing, in which participants at different sites can feel as if they are at one site and can work cooperatively. In the teleconferencing system, a 3D model of a participant is constructed by a wire-frame model mapped by color texture and is displayed on 3D screen at the receiving site. In the experimental system, to realize real-time detection of facial features at the sending site, tape marks are attached to facial muscles, and the marks are tracked visually. To detect movements of the head, body, hands and fingers in real-time, magnetic sensors and data glove are used. When the movements of the participant are reproduced at the receiving site, the detected results are used to drive the nodes in the wire frame model. Using the experimental system, the optimum number of nodes for real-time reproduction is obtained. Results for real-time cooperative work using the experimental system are demonstrated.