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    Effects of ray position sampling on the visual responses of 3D light field displays

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    Author
    Huang, Hekun cc
    Hua, Hong
    Affiliation
    Univ Arizona, 3D Visualizat & Imaging Syst Lab, Coll Opt Sci
    Issue Date
    2019-04-01
    
    Metadata
    Show full item record
    Publisher
    OPTICAL SOC AMER
    Citation
    Hekun Huang and Hong Hua, "Effects of ray position sampling on the visual responses of 3D light field displays," Opt. Express 27, 9343-9360 (2019)
    Journal
    OPTICS EXPRESS
    Rights
    Copyright © 2019 Optical Society of America under the terms of the OSA Open Access Publishing Agreement.
    Collection Information
    This item from the UA Faculty Publications collection is made available by the University of Arizona with support from the University of Arizona Libraries. If you have questions, please contact us at repository@u.library.arizona.edu.
    Abstract
    A 3D light field display typically reconstructs a 3D scene by sampling either the projections of the 3D scene at different depths or the directions of the light rays apparently emitted by the 3D scene and viewed from different eye positions. These light field display methods are potentially capable of rendering correct or nearly correct focus cues and therefore addressing the well-known vergence-accommodation conflict problem plaguing the conventional stereoscopic displays. However, very limited efforts have been made to investigate the effects of light ray sampling on the quality of the rendered focus cues and thus the visual responses of a viewer in light field displays. In this paper, by accounting for both the specifications of a light field display system and the ocular factors of the human visual system, we systematically model and analyze the ray position sampling issue in the reconstruction of the light field and characterize its effect on the quality of the rendered retinal image and on the accommodative response in viewing a 3D light field display. Using a recently developed 3D light field display prototype, we further experimentally validated the effects of ray position sampling on the resolution and accommodative response of a light field display, of which the result matches with theoretical characterization.
    Note
    Open access journal
    ISSN
    1094-4087
    PubMed ID
    31045087
    DOI
    10.1364/OE.27.009343
    Version
    Final published version
    Sponsors
    National Science Foundation (NSF) [14-22653]; Google Faculty Research Award
    ae974a485f413a2113503eed53cd6c53
    10.1364/OE.27.009343
    Scopus Count
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    UA Faculty Publications

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