Photonics Research, Volume. 6, Issue 9, 837(2018)

Review of fast methods for point-based computer-generated holography [Invited]

P. W. M. Tsang1、*, T.-C. Poon2, and Y. M. Wu1
Author Affiliations
  • 1Department of Electronic Engineering, City University of Hong Kong, Hong Kong SAR, China
  • 2Bradley Department of Electrical and Computer Engineering, Virginia Tech, Blacksburg, Virginia 24061, USA
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    Figures & Tables(9)
    Spatial relation between object points and the hologram plane.
    Novel look-up-table (N-LUT) method.
    (a) Retrieving an N-point PFP of a segment of the 3D surface. (b) An example showing the partitioning of pixels in the source image into horizontal segments, each having similar properties.
    Line-scan method for generating the PFP.
    Computing a hologram pixel with the S-LUT method.
    Computing a hologram pixel with the C-LUT method.
    Spatial relation between the object space, the WRP, and the hologram plane.
    Partitioning the object into scan planes, each contributing to a sub-line on the hologram plane.
    • Table 1. Arithmetic Calculations of a Single Operation for Computing the Hologram with Eq. (2)

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      Table 1. Arithmetic Calculations of a Single Operation for Computing the Hologram with Eq. (2)

      Arithmetic CalculationNumber
      Multiplication2
      Square3
      Square root1
      Exponential function1
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    P. W. M. Tsang, T.-C. Poon, Y. M. Wu. Review of fast methods for point-based computer-generated holography [Invited][J]. Photonics Research, 2018, 6(9): 837

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    Paper Information

    Category: Holography

    Received: May. 8, 2018

    Accepted: Jul. 2, 2018

    Published Online: Aug. 15, 2018

    The Author Email: P. W. M. Tsang (eewmtsan@cityu.edu.hk)

    DOI:10.1364/PRJ.6.000837

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