21 May 2004 Improvement of integral 3D image quality by compensating for lens position errors
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Integral photography (IP) or integral imaging is a way to create natural-looking three-dimensional (3-D) images with full parallax. Integral three-dimensional television (integral 3-D TV) uses a method that electronically presents 3-D images in real time based on this IP method. The key component is a lens array comprising many micro-lenses for shooting and displaying. We have developed a prototype device with about 18,000 lenses using a super-high-definition camera with 2,000 scanning lines. Positional errors of these high-precision lenses as well as the camera's lenses will cause distortions in the elemental image, which directly affect the quality of the 3-D image and the viewing area. We have devised a way to compensate for such geometrical position errors and used it for the integral 3-D TV prototype, resulting in an improvement in both viewing zone and picture quality.
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Makoto Okui, Makoto Okui, Jun Arai, Jun Arai, Masaki Kobayashi, Masaki Kobayashi, Fumio Okano, Fumio Okano, "Improvement of integral 3D image quality by compensating for lens position errors", Proc. SPIE 5291, Stereoscopic Displays and Virtual Reality Systems XI, (21 May 2004); doi: 10.1117/12.526606; https://doi.org/10.1117/12.526606


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