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2 November 1979 Autostereoscopy Delivers What Holography Promised
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A few years ago the requirement for true three-dimensional displays in a variety of applications seemed to be answered by the development of holography. Holograms allow stereoscopic group viewing without glasses. As the observer moves his head he sees the scene with parallax from different horizontal and vertical points of view. However, the limitations of holography soon became apparent. These include: the inability to reproduce continuous motion; lack of color; difficulty of recording under any but very special conditions; limited screen size; and the requirement for a laser in both pick-up and display. Intensive research has provided some solutions to these limitations and has raised further problems. Additional improvements will certainly be made during the coming decades. Autostereoscopy of the parallax panoramagram type utilizes optical techniques similar to holography. Recent developments make possible three dimensional film and television displays, without glasses. These displays have the features of: full motion; full color; excellent resolution; horizontal parallax; conventional illumination sources; and are recorded with more conventional filming or television techniques. The applications include: aerial and satellite reconnaisance pictures in depth; computerized axial tomography stereoscopic displays; remote manipulation of dangerous materials and remote driving of vehicles by 3D-TV viewing; stereoscopic radar presentations; spacial simulation displays; and education and entertainment pictures in depth.
© (1979) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
James F. Butterfield "Autostereoscopy Delivers What Holography Promised", Proc. SPIE 0199, Advances in Display Technology, (2 November 1979);


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