• Chinese Optics Letters
  • Vol. 18, Issue 1, 010901 (2020)
Shohei Ikawa1, Naoki Takada2、*, Hiromitsu Araki3, Hiroaki Niwase3, Hiromi Sannomiya3, Hirotaka Nakayama4, Minoru Oikawa2, Yuichiro Mori2, Takashi Kakue5, Tomoyoshi Shimobaba5, and Tomoyoshi Ito5
Author Affiliations
  • 1Faculty of Science, Kochi University, Kochi 780-8520, Japan
  • 2Research and Education Faculty, Kochi University, Kochi 780-8520, Japan
  • 3Graduate School of Integrated Arts and Sciences, Kochi University, Kochi 780-8520, Japan
  • 4Center for Computational Astrophysics, National Astronomical Observatory of Japan, Mitaka-shi 181-8588, Japan
  • 5Graduate School of Engineering, Chiba University, Chiba 263-8522, Japan
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    DOI: 10.3788/COL202018.010901 Cite this Article
    Shohei Ikawa, Naoki Takada, Hiromitsu Araki, Hiroaki Niwase, Hiromi Sannomiya, Hirotaka Nakayama, Minoru Oikawa, Yuichiro Mori, Takashi Kakue, Tomoyoshi Shimobaba, Tomoyoshi Ito. Real-time color holographic video reconstruction using multiple-graphics processing unit cluster acceleration and three spatial light modulators[J]. Chinese Optics Letters, 2020, 18(1): 010901 Copy Citation Text show less
    Proposed real-time color electroholographic system.
    Fig. 1. Proposed real-time color electroholographic system.
    Combined color CGH generated from three RGB-colored CGHs corresponding to RGB-colored reconstructing lights.
    Fig. 2. Combined color CGH generated from three RGB-colored CGHs corresponding to RGB-colored reconstructing lights.
    Parallel processing of real-time 3D color video reconstruction using the proposed color electroholographic system.
    Fig. 3. Parallel processing of real-time 3D color video reconstruction using the proposed color electroholographic system.
    Optical setup in the proposed real-time color electroholographic system using a multi-GPU cluster and three SLMs.
    Fig. 4. Optical setup in the proposed real-time color electroholographic system using a multi-GPU cluster and three SLMs.
    Original color 3D object for the 3D color video.
    Fig. 5. Original color 3D object for the 3D color video.
    RGB-colored binary CGHs obtained from original color 3D object and combined CGH generated from RGB-colored binary CGHs.
    Fig. 6. RGB-colored binary CGHs obtained from original color 3D object and combined CGH generated from RGB-colored binary CGHs.
    Snapshots of the 3D video reconstructed using the proposed method (video 1).
    Fig. 7. Snapshots of the 3D video reconstructed using the proposed method (video 1).
     Display time interval (ms)Frame rate (fps)
    1 GPU250.93.98
    4 GPUs100.99.91
    7 GPUs50.919.64
    10 GPUs35.528.17
    13 GPUs26.138.31
    Table 1. Display Time Interval of the Proposed Real-Time Color Electroholography
    Shohei Ikawa, Naoki Takada, Hiromitsu Araki, Hiroaki Niwase, Hiromi Sannomiya, Hirotaka Nakayama, Minoru Oikawa, Yuichiro Mori, Takashi Kakue, Tomoyoshi Shimobaba, Tomoyoshi Ito. Real-time color holographic video reconstruction using multiple-graphics processing unit cluster acceleration and three spatial light modulators[J]. Chinese Optics Letters, 2020, 18(1): 010901
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