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New three-dimensional visualization system based on angular image differentiation
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New three-dimensional visualization system based on angular image differentiation
New three-dimensional visualization system based on angular image differentiation
JM
Juan D. Montes
Juan D. Montes
Pascual Campoy
Pascual Campoy
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30 March 1995
proceedings article
Published by
SPIE-Intl Soc Optical Eng
Vol. 2409
,
125-132
https://doi.org/10.1117/12.205852
Abstract
This paper presents a new auto-stereoscopic system capable of reproducing static or moving 3D images by projection with horizontal parallax or with horizontal and vertical parallaxes. The working principle is based on the angular differentiation of the images which are projected onto the back side of the new patented screen. The most important features of this new system are: (1) Images can be seen by naked eye, without the use of glasses or any other aid. (2) The 3D view angle is not restricted by the angle of the optics making up the screen. (3) Fine tuning is not necessary, independently of the parallax and of the size of the 3D view angle. (4) Coherent light is not necessary neither in capturing the image nor in its reproduction, but standard cameras and projectors. (5) Since the images are projected, the size and depth of the reproduced scene is unrestricted. (6) Manufacturing cost is not excessive, due to the use of optics of large focal length, to the lack of fine tuning and to the use of the same screen several reproduction systems. (7) This technology can be used for any projection system: slides, movies, TV cannons,... A first prototype of static images has been developed and tested with a 3D view angle of 90 degree(s) and a photographic resolution over a planar screen of 900 mm, of diagonal length. Present developments have success on a dramatic size reduction of the projecting system and of its cost. Simultaneous tasks have been carried out on the development of a prototype of 3D moving images.© (1995) COPYRIGHT SPIE--The International Society for Optical Engineering. Downloading of the abstract is permitted for personal use only.
Keywords
REPRODUCTIVE SYSTEM
3D IMAGING
MANUFACTURING
THREE DIMENSIONAL
VISUAL SYSTEM
OPTICS
VISUALIZATION
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Cited by 5 articles