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Proceedings Paper

Advanced autostereoscopic display for G-7 pilot project
Author(s): Tomohiko Hattori; Takeo Ishigaki; Kazuhiro Shimamoto; Akiko Sawaki; Tsuneo Ishiguchi; Hiromi Kobayashi
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Paper Abstract

An advanced auto-stereoscopic display is described that permits the observation of a stereo pair by several persons simultaneously without the use of special glasses and any kind of head tracking devices for the viewers. The system is composed of a right eye system, a left eye system and a sophisticated head tracking system. In the each eye system, a transparent type color liquid crystal imaging plate is used with a special back light unit. The back light unit consists of a monochrome 2D display and a large format convex lens. The unit distributes the light of the viewers' correct each eye only. The right eye perspective system is combined with a left eye perspective system is combined with a left eye perspective system by a half mirror in order to function as a time-parallel stereoscopic system. The viewer's IR image is taken through and focused by the large format convex lens and feed back to the back light as a modulated binary half face image. The auto-stereoscopic display employs the TTL method as the accurate head tracking. The system was worked as a stereoscopic TV phone between Duke University Department Tele-medicine and Nagoya University School of Medicine Department Radiology using a high-speed digital line of GIBN. The applications are also described in this paper.

Paper Details

Date Published: 24 May 1999
PDF: 10 pages
Proc. SPIE 3639, Stereoscopic Displays and Virtual Reality Systems VI, (24 May 1999); doi: 10.1117/12.349416
Show Author Affiliations
Tomohiko Hattori, Sea Phone Co., Ltd. (United States)
Takeo Ishigaki, Nagoya Univ. (Japan)
Kazuhiro Shimamoto, Nagoya Univ. (Japan)
Akiko Sawaki, Nagoya Univ. (Japan)
Tsuneo Ishiguchi, Nagoya Univ. (Japan)
Hiromi Kobayashi, Virtual Reality Center Yokohama Inc. (Japan)

Published in SPIE Proceedings Vol. 3639:
Stereoscopic Displays and Virtual Reality Systems VI
Mark T. Bolas; John O. Merritt; Scott S. Fisher; Mark T. Bolas; Scott S. Fisher, Editor(s)

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