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Dynamically manipulated accommodation-invariant displays
Author(s): Dongheon Yoo; Seungjae Lee; Youngjin Jo; Jaebum Cho; Byoungho Lee
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Paper Abstract

Computational accommodation-invariant (AI) display attempts to mitigate vergence-accommodation conflict (VAC) by showing a constant imagery no matter where the observer focuses on. However, due to the usage of an electrically focus-tunable lens, the contrast of imagery is degraded as point-spread functions of multiple foci are integrated. In this paper, we introduce the content-adaptive approach to improve the contrast at the depth of highly salient region in the image. The position of focal plane is dynamically determined considering the zone of comfort and the mean focal distance of salient region. The contrast enhancement compared to conventional accommodation-invariant display is shown through simulation results using USAF resolution target image. We demonstrate our proof-of-concept prototype and its optical feasibility is verified with experimental results.

Paper Details

Date Published: 1 March 2019
PDF: 7 pages
Proc. SPIE 10941, Emerging Liquid Crystal Technologies XIV, 109410O (1 March 2019); doi: 10.1117/12.2509216
Show Author Affiliations
Dongheon Yoo, Seoul National Univ. (Korea, Republic of)
Seungjae Lee, Seoul National Univ. (Korea, Republic of)
Youngjin Jo, Seoul National Univ. (Korea, Republic of)
Jaebum Cho, Seoul National Univ. (Korea, Republic of)
Byoungho Lee, Seoul National Univ. (Korea, Republic of)

Published in SPIE Proceedings Vol. 10941:
Emerging Liquid Crystal Technologies XIV
Liang-Chy Chien, Editor(s)

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