| Project/Area Number |
62850066
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| Research Category |
Grant-in-Aid for Developmental Scientific Research
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| Allocation Type | Single-year Grants |
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| Research Field |
電子機器工学
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| Research Institution | INSTITUTE OF INDUSTRIAL SCIENCE, UNIVERSITY OF TOKYO |
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Principal Investigator |
HAMASAKI JOJI (1988) INSTITUTE OF INDUSTRIAL SCIENCE, UNIVERSITY OF TOKYO, 生産技術研究所, 教授 (00013079)
浜崎 襄二 (1987) 東京大学, 生産技術研究所, 教授
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| Co-Investigator(Kenkyū-buntansha) |
OKADA MITSUO INSTITUTE OF INDUSTRIAL SCIENCE, UNIVERSITY OF TOKYO, 生産技術研究所, 助手 (60013158)
SAKAKI HIROYUKI INSTITUTE OF INDUSTRIAL SCIENCE, UNIVERSITY OF TOKYO, 生産技術研究所, 教授 (90013226)
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| Project Period (FY) |
1987 – 1988
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| Project Status |
Completed (Fiscal Year 1988)
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| Budget Amount *help |
¥7,800,000 (Direct Cost: ¥7,800,000)
Fiscal Year 1988: ¥1,100,000 (Direct Cost: ¥1,100,000)
Fiscal Year 1987: ¥6,700,000 (Direct Cost: ¥6,700,000)
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| Keywords | AUTOSTEREOSCOPIC / 3D TELEVISION / 3D TELEVISION CAMERA / BEAM-INDEX / VIEWING ZONE |
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| Research Abstract |
Objectives: This project aims to develope a new 3D TV system, which records 3D objects in ordinary circumstances and diplays the 3D images in real-time being seen without glasses in a viewing zone.
Results: 1) The geometrical characteristics and advantages of lens-plate 3D images are clarified. A new optic, which performs focusing of the camera eyes and adjusting the driections of the eyes simultaneously, is experimentally confirmed. Optical magnification/reduction of viewing zone width are done with a configuration of large-aperture lens system.
2) A relay-lens plate, which consists of vertical-grid-type masks and a lenticular sheet, is newly devised. Resolution, brightness and vertical height of the viewing zone are greately improved.
3) A method to eliminate large-capacity memories in editting 3D video signal having precisely interleaved parallax images, which should be in registration with a lenticular sheet, is newly devised.
4) A camera system, which records 8 parallax images simultaneously with 8 CCD camera devices and edits them into a 3D video signal, is newly developed. Combining with the high resolution Braun tube with beam-indexes, 3D images of 290mm x 220mm size in the horizontal and vertical directions and of 300mm in the depth are successfully Recorded and displayed in real-time. resoultions are 250 lines in both horizontal and vertical direction and 1.6% of distance of view in the depth. 3D images are refreshed in 1/60 sec. Flikerless 3D images with clear parallax are seen by the naked eye in 300mm viewing-zone width at 1000mm distance in front of the Braun tube.
An autostereoscopic 3D TV with practical resolution and viewing zone was eemonstrated for the first time.
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