Hidden Markov Model Inversion for Audio-to-Visual Conversion in an MPEG-4 Facial Animation System
Journal of VLSI Signal Processing Systems
A multi-user framework supporting video-based avatars
NetGames '03 Proceedings of the 2nd workshop on Network and system support for games
Performance evaluation of client-side video stream quality selection using autonomous avatars
Proceedings of the 2004 ACM SIGCHI International Conference on Advances in computer entertainment technology
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This paper proposes the video avatar, the avatar with the embedded video of the human body in the collaborative virtual environment. The video avatar enables the visual communication between the avatars. The video avatar has three features for enhancing the visual communication. The target object function and the comment function enhance the gesture of the avatar. These functions integrate the embedded video and the virtual objects in the virtual space. The multiple video mechanism enhances the identification of the avatar. This mechanism displays the embedded video with a three-dimensional figure. This paper also describes the prototype systems of the video avatar and our experience in the exhibition. Our experience shows that the visual communication provided by the video avatar is effective for guiding the user in the large-scaled virtual space.