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2004 Symposium on Applications and the Internet (SAINT'04)
A High Presence Shared Space Communication System Using 2D Background and 3D Avatar
Tokyo, Japan
January 26-January 30
ISBN: 0-7695-2068-5
Kyohei Yoshikawa, Osaka University
Takashi Machida, Osaka University
Kiyoshi Kiyokawa, Osaka University
Haruo Takemura, Osaka University
Displaying a 3D geometric model of a user in real-time has an advantage for a tele-communication system because depth information is useful for non-verbal communication such as .nger-pointing and gestures that contain 3D information. However, a range image acquired by a rangefinder is suffered from errors due to image noises and distortions in depth measurement. On the other hand, a 2D image is free from such errors. In this paper, we propose a new method for a shared space communication system that combines advantages of both 2D and 3D representations. A user is represented as a 3D geometric model to exchange non-verbal communication cues. A background is displayed as a 2D image to give the user enough ideas about atmosphere of a remote site. We have constructed a prototype of a high presence shared space communication system to evaluate our method. In experiments, we have found that our proposed method is effective for tele-communication.
Citation:
Kyohei Yoshikawa, Takashi Machida, Kiyoshi Kiyokawa, Haruo Takemura, "A High Presence Shared Space Communication System Using 2D Background and 3D Avatar," saint, pp.50, 2004 Symposium on Applications and the Internet (SAINT'04), 2004
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