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Optical Engineering • Open Access

Continuous combination of viewing zones in integral three-dimensional display using multiple projectors
Author(s): Naoto Okaichi; Masato Miura; Hisayuki Sasaki; Hayato Watanabe; Jun Arai; Masahiro Kawakita; Tomoyuki Mishina

Paper Abstract

We propose a method for arranging multiple projectors in parallel using an image-processing technique and for enlarging the viewing zone in an integral three-dimensional image display. We have developed a method to correct the projection distortion precisely using an image-processing technique combining projective and affine transformations. To combine the multiple viewing zones formed by each projector continuously and smoothly, we also devised a technique that provides accurate adjustment by generating the elemental images of a computer graphics model at high speed. We constructed a prototype device using four projectors equivalent to 4K resolution and realized a viewing zone with measured viewing angles of 49.2 deg horizontally and 45.2 deg vertically. Compared with the use of only one projector, the prototype device expanded the viewing angles by approximately two times in both the horizontal and vertical directions.

Paper Details

Date Published: 14 March 2018
PDF: 9 pages
Opt. Eng. 57(6) 061611 doi: 10.1117/1.OE.57.6.061611
Published in: Optical Engineering Volume 57, Issue 6
Show Author Affiliations
Naoto Okaichi, NHK Japan Broadcasting Corp. (Japan)
Masato Miura, NHK Japan Broadcasting Corp. (Japan)
Hisayuki Sasaki, NHK Japan Broadcasting Corp. (Japan)
Hayato Watanabe, NHK Japan Broadcasting Corp. (Japan)
Jun Arai, NHK Japan Broadcasting Corp. (Japan)
Masahiro Kawakita, NHK Japan Broadcasting Corp. (Japan)
Tomoyuki Mishina, NHK Japan Broadcasting Corp. (Japan)


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