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Proceedings Paper

Ray-space processing for omnidirectional FTV
Author(s): Masayuki Tanimoto; Hirokuni Kurokawa
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Paper Abstract

FTV (Free-viewpoint Television) enables users to view a 3D scene by freely changing the viewpoint as if they were actually there. FTV is developed based on ray-space representation. Omnidirectional FTV is an FTV with very wide field of view (FOV), that is 360-degree FOV. 4D spherical ray-space is analyzed and applied to omnidirectional FTV. 4D spherical ray-space of “a group of rays through one point” is derived. It is extended to ray-space captured by many cameras on a circle. View generation of omnidirectional FTV needs rays that are not captured by real cameras. These rays are synthesized by interpolating the captured ray-space. It is done so that the intersections of the captured ray-space and the ray-space of rays emitted from a light source have the same color. Omnidirectional FTV with full parallax is realized by using the 4D ray-space processing.

Paper Details

Date Published: 16 May 2018
PDF: 12 pages
Proc. SPIE 10666, Three-Dimensional Imaging, Visualization, and Display 2018, 1066607 (16 May 2018); doi: 10.1117/12.2304605
Show Author Affiliations
Masayuki Tanimoto, Nagoya Univ. (Japan)
Hirokuni Kurokawa, Univ. of Aizu (Japan)


Published in SPIE Proceedings Vol. 10666:
Three-Dimensional Imaging, Visualization, and Display 2018
Bahram Javidi; Jung-Young Son; Osamu Matoba, Editor(s)

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