Expanding the degree of freedom of observation on depth-direction by the triple-separated slanted parallax barrier in autostereoscopic 3D display

Kwang-Hoon Lee; Yeong-Seon Choe; Dong-Kil Lee; Yang-Gyu Kim; Youngsik Park; Min-Chul Park

doi:10.1117/12.2018183

17 May 2013 Expanding the degree of freedom of observation on depth-direction by the triple-separated slanted parallax barrier in autostereoscopic 3D display

Kwang-Hoon Lee, Yeong-Seon Choe, Dong-Kil Lee, Yang-Gyu Kim, Youngsik Park, Min-Chul Park

Author Affiliations +

Proceedings Volume 8738, Three-Dimensional Imaging, Visualization, and Display 2013; 87380D (2013) https://doi.org/10.1117/12.2018183
Event: SPIE Defense, Security, and Sensing, 2013, Baltimore, Maryland, United States

Abstract

Autostereoscopic multi-views 3D display system has a narrow freedom of degrees to the observational directions such as horizontal and perpendicular direction to the display plane than the glasses on type. In this paper, we proposed an innovative method that expanding a width of formed viewing zone on the depth direction keeping with the number of views on horizontal direction by using the triple segmented-slanted parallax barrier (TS-SPB) in the glasses-off type of 3D display. The validity of the proposal is verified by optical simulation based on the environment similar to an actual case. In benefits, the maximum number of views to display on horizontal direction is to be 2ⁿ and the width of viewing zone on depth direction is to be increased up to 3.36 times compared to the existing one-layered parallax barrier system.

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Kwang-Hoon Lee, Yeong-Seon Choe, Dong-Kil Lee, Yang-Gyu Kim, Youngsik Park, and Min-Chul Park "Expanding the degree of freedom of observation on depth-direction by the triple-separated slanted parallax barrier in autostereoscopic 3D display", Proc. SPIE 8738, Three-Dimensional Imaging, Visualization, and Display 2013, 87380D (17 May 2013); https://doi.org/10.1117/12.2018183

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KEYWORDS

3D displays

Optical simulations

RGB color model

Image processing

Image segmentation

Flat panel displays

Glasses

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