Share Email Print

Proceedings Paper • Open Access

fVisiOn: glasses-free tabletop 3D display to provide virtual 3D media naturally alongside real media
Author(s): Shunsuke Yoshida

Paper Abstract

A novel glasses-free tabletop 3D display, named fVisiOn, floats virtual 3D objects on an empty, flat, tabletop surface and enables multiple viewers to observe raised 3D images from any angle at 360° Our glasses-free 3D image reproduction method employs a combination of an optical device and an array of projectors and produces continuous horizontal parallax in the direction of a circular path located above the table. The optical device shapes a hollow cone and works as an anisotropic diffuser. The circularly arranged projectors cast numerous rays into the optical device. Each ray represents a particular ray that passes a corresponding point on a virtual object's surface and orients toward a viewing area around the table. At any viewpoint on the ring-shaped viewing area, both eyes collect fractional images from different projectors, and all the viewers around the table can perceive the scene as 3D from their perspectives because the images include binocular disparity. The entire principle is installed beneath the table, so the tabletop area remains clear. No ordinary tabletop activities are disturbed. Many people can naturally share the 3D images displayed together with real objects on the table. In our latest prototype, we employed a handmade optical device and an array of over 100 tiny projectors. This configuration reproduces static and animated 3D scenes for a 130° viewing area and allows 5-cm-tall virtual characters to play soccer and dance on the table.

Paper Details

Date Published: 15 May 2012
PDF: 9 pages
Proc. SPIE 8384, Three-Dimensional Imaging, Visualization, and Display 2012, 838411 (15 May 2012); doi: 10.1117/12.920542
Show Author Affiliations
Shunsuke Yoshida, National Institute of Information and Communications Technology (Japan)

Published in SPIE Proceedings Vol. 8384:
Three-Dimensional Imaging, Visualization, and Display 2012
Bahram Javidi; Jung-Young Son, Editor(s)

© SPIE. Terms of Use
Back to Top