Chinese Optics Letters, Volume. 19, Issue 9, 093301(2021)

High-speed playback of spatiotemporal division multiplexing holographic 3D video stored in a solid-state drive using a digital micromirror device

Kohei Suzuki1, Minori Tao2, Yuki Maeda1, Hirotaka Nakayama3, Ren Noguchi1, Minoru Oikawa4, Yuichiro Mori4, Takashi Kakue5, Tomoyoshi Shimobaba5, Tomoyoshi Ito5, and Naoki Takada4、*
Author Affiliations
  • 1Graduate School of Integrated Arts and Sciences, Kochi University, Kochi 780-8520, Japan
  • 2Faculty of Science, Kochi University, Kochi 780-8520, Japan
  • 3National Astronomical Observatory of Japan, Tokyo 181-8588, Japan
  • 4Research and Education Faculty, Kochi University, Kochi 780-8520, Japan
  • 5Graduate School of Engineering, Chiba University, Chiba 263-8522, Japan
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    Figures & Tables(12)
    Outline of spatiotemporal division multiplexing electroholography.
    Synthesize color CGH for spatiotemporal division multiplexing electroholography.
    Reconstructed 3D video playback from the synthesized color CGH for spatiotemporal division multiplexing electroholography.
    Binary PWM sequence pattern for gradation representation in red image.
    Outline of the proposed high-speed playback for spatiotemporal division multiplexing electroholographic 3D video.
    Optical setup used in evaluation experiment.
    Picture of optical setup used in evaluation experiment.
    Still 3D images reconstructed from the 3D object “fountain” comprising 1,064,462 points using the spatiotemporal division multiplexing method.
    Display time of the six 3D images reconstructed from six sub-objects using the proposed spatiotemporal division multiplexing electroholographic playback from an SSD.
    Snapshots of the reconstructed 3D video using the proposed playback from an SSD (Video 1).
    • Table 1. Specifications of the Computer System with a DMD Module

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      Table 1. Specifications of the Computer System with a DMD Module

      CPUIntel Core i5-8400 (Clock speed: 2.8 GHz)
      Main memoryDDR4-2666 16 GB
      OSLinux (CentOS 7.8)
      SoftwareNVIDIA CUDA 11.0 SDK
      GPUNVIDIA GeForce GTX TITAN X
      SSDSAMSUNG 860 EVO 500 GB
      DMDTexas Instruments DLP LightCrafter 6500 EVM (Refresh rate: 60 Hz)
    • Table 2. Performance of the Proposed Playback from SSD

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      Table 2. Performance of the Proposed Playback from SSD

      Number of object points1,064,462
      Spatial division number6
      Refresh rate of DMD60 Hz
      Resolution of CGH1980 × 1024
      Frame rate of the proposed playback360 frames per second
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    Kohei Suzuki, Minori Tao, Yuki Maeda, Hirotaka Nakayama, Ren Noguchi, Minoru Oikawa, Yuichiro Mori, Takashi Kakue, Tomoyoshi Shimobaba, Tomoyoshi Ito, Naoki Takada. High-speed playback of spatiotemporal division multiplexing holographic 3D video stored in a solid-state drive using a digital micromirror device[J]. Chinese Optics Letters, 2021, 19(9): 093301

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    Paper Information

    Category: Visual Optics and Displays

    Received: Jan. 4, 2021

    Accepted: Feb. 25, 2021

    Posted: Feb. 26, 2021

    Published Online: May. 26, 2021

    The Author Email: Naoki Takada (ntakada@is.kochi-u.ac.jp)

    DOI:10.3788/COL202119.093301

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