ETRI Journal (Aug 2022)

Crosstalk reduction in tabletop multiview display with fog screen

  • Hosung Jeon,
  • Sungjin Lim,
  • Minwoo Jung,
  • Junghoo Yoon,
  • Changhwan Park,
  • Junho Seok,
  • Ji-man Yu,
  • Joonku Hahn

DOI
https://doi.org/10.4218/etrij.2021-0164
Journal volume & issue
Vol. 44, no. 4
pp. 686 – 694

Abstract

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Fog screens offer a great advantage to be used as scattering screens in three-dimensional displays. In the absence of a fixed rigid form, fog screens work as screens without any physical obstruction. The density of water droplets can be regulated to adjust the screen’s transparency and scattering level. This study proposes a method for crosstalk reduction between adjacent viewing windows by decreasing the divergence of view of the projector, with concentration lenses. By applying the Scheimpflug principle, we also reduce the keystone effect, which occurs when the fog screen is slanted with respect to the optical axis. In this study, we have realized a tabletop multiview fog display without any structures on the table and established that the proposed method is feasible for decreasing crosstalk effectively.

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