Desktop conversations — the future of multimedia conferencing
BT Technology Journal
Video coding — techniques, standards and applications
BT Technology Journal
Real people in surreal environments
BT Technology Journal
Real-Time Facial Analysis for Virtual Teleconferencing
FG '96 Proceedings of the 2nd International Conference on Automatic Face and Gesture Recognition (FG '96)
At what cost pervasive? a social computing view of mobile computing systems
IBM Systems Journal
Sharing serendipity in the workplace
Proceedings of the third international conference on Collaborative virtual environments
Telepresence — the future of telephony
BT Technology Journal
Whither video? — pictorial culture and telepresence
BT Technology Journal
Video coding — techniques, standards and applications
BT Technology Journal
Interactive collaborative media environments
BT Technology Journal
True-view Videoconferencing System Through 3-D Impression of Telepresence
BT Technology Journal
BT Technology Journal
Customisation and Context for Expressive Behaviour in the Broadband World
BT Technology Journal
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Current multi-party video- and audioconferencing systems limit natural communications between participants. People communicate by speech, facial expressions and body gestures. In interactions between three or more people, these communications channels are directed towards particular participants. Spatial proximity and gaze direction are therefore important elements for effective conversational interactions, and yet are largely unsupported in existing conferencing tools. Advanced audioconferencing systems do simulate presence in a shared environment by using ‘virtual humans‘ to represent the people taking part in a meeting, but the keyboard and mouse are used to direct conversations to specific people or to change the visual representation to simulate emotion.This paper describes an experimental implementation of virtual conferencing, which uses machine vision to control a realistic virtual human, with the objective of making ‘virtual meetings‘ more like physical ones. The computer vision system provides a more natural interface to the environment, while the realistic representation of users, with appropriate facial gestures and upper body movement, gives more natural visual feedback.