Optical: systems and elements – Holographic system or element – For synthetically generating a hologram
Patent
1993-09-21
1996-01-09
Gonzalez, Frank
Optical: systems and elements
Holographic system or element
For synthetically generating a hologram
359 15, 359 22, 359 23, G03H 108, G03H 126, G02B 532
Patent
active
054833647
ABSTRACT:
A stereoscopic display method whereby a hologram phase distribution is calculated and the calculated phase distribution is expressed and the expressed phase distribution is converted into a wave front of the light, thereby displaying a solid image. Further, a feature portion in a display target specified by 3-dimensional information is detected. Sampling points are set at a high density into the detected feature portion. Sampling points are set at a low density with respect to a non-feature portion as a portion other than the feature portion. In the phase calculation, a hologram phase distribution is calculated with respect to the set sampling points.
REFERENCES:
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patent: 5119214 (1992-06-01), Nishii et al.
patent: 5128780 (1992-07-01), Smith
patent: 5138471 (1992-08-01), McGrew
patent: 5187597 (1993-02-01), Kato et al.
patent: 5347375 (1994-09-01), Saito et al.
T. Yatagai, "Stereoscopic Approach to a 3-D Display Using Computer-Generated Holograms", Applied Optics, vol. 15, No. 11, Nov. 1976, pp. 2722-2729.
Aritake Hirokazu
Ishimoto Manabu
Kato Masayuki
Sato Noriko
Eisenberg Jason D.
Fujitsu Limited
Gonzalez Frank
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