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  • Received: Apr. 2, 2018

    Accepted: Jun. 25, 2018

    Posted: Jan. 17, 2019

    Published Online: Aug. 2, 2018

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

    DOI: 10.3788/COL201816.080901

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    Masato Fujiwara, Naoki Takada, Hiromitsu Araki, Shohei Ikawa, Yuki Maeda, Hiroaki Niwase, Minoru Oikawa, Takashi Kakue, Tomoyoshi Shimobaba, Tomoyoshi Ito. Color representation method using RGB color binary-weighted computer-generated holograms[J]. Chinese Optics Letters, 2018, 16(8): 080901

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Chinese Optics Letters, Vol. 16, Issue 8, 080901 (2018)

Color representation method using RGB color binary-weighted computer-generated holograms 

Masato Fujiwara1, Naoki Takada2,*, Hiromitsu Araki1, Shohei Ikawa3, Yuki Maeda1, Hiroaki Niwase1, Minoru Oikawa2, Takashi Kakue4, Tomoyoshi Shimobaba4, and Tomoyoshi Ito4

Author Affiliations

  • 1Graduate School of Integrated Arts and Sciences, Kochi University, Kochi 780-8520, Japan
  • 2Science Department, Natural Sciences Cluster, Research and Education Faculty, Kochi University, Kochi 780-8520, Japan
  • 3Faculty of Science, Kochi University, Kochi 780-8520, Japan
  • 4Graduate School of Engineering, Chiba University, Chiba 263-8522, Japan

Abstract

We propose a method for color electroholography using a simple red–green–blue (RGB) gradation representation method without controlling the respective brightness of the reference RGB-colored lights. The proposed method uses RGB multiple bit planes comprising RGB binary-weighted computer-generated holograms with various light transmittances. The object points of a given three-dimensional (3D) object are assigned to RGB multiple bit planes according to their RGB gradation levels. The RGB multiple bit planes are sequentially displayed in a time-division-multiplexed manner. Consequently, the proposed method yields a color gradation representation of a reconstructed 3D object.