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Chinese Journal of Lasers, Volume. 45, Issue 12, 1209001(2018)

Speckle Noise Suppression in Three-Dimensional Phase-Only Holographic Display

Tingting Zhou* and Chao Han*
Author Affiliations
  • School of Electrical Engineering, Anhui Polytechnic University, Wuhu, Anhui 241000, China
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    Simulation results I. (a) Original image; (b)reconstructed image of phase-only hologram after direct removal of magnitude; (c)reconstructed image of phase-only hologram by modified GS algorithm based on angular-spectral theory; (d) reconstructed image of phase-only hologram by proposed algorithm ; (e) phase hologram after direct removal of magnitude; (f) phase hologram of modified GS algorithm based on angular-spectral theory; (g) phase hologram by proposed algorithm

    Fig. 1. Simulation results I. (a) Original image; (b)reconstructed image of phase-only hologram after direct removal of magnitude; (c)reconstructed image of phase-only hologram by modified GS algorithm based on angular-spectral theory; (d) reconstructed image of phase-only hologram by proposed algorithm ; (e) phase hologram after direct removal of magnitude; (f) phase hologram of modified GS algorithm based on angular-spectral theory; (g) phase hologram by proposed algorithm

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    Three-dimensional little train: (a) Depth map; (b) position map

    Fig. 2. Three-dimensional little train: (a) Depth map; (b) position map

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    Simulation results II. (a) Phase hologram after direct removal of magnitude; (b) phase profile after direct removal of magnitude; (c) phase hologram after error diffusion processing; (d) phase profile after error diffusion processing; reconstructed images of phase-only hologram after direct removal of magnitude but for different distances of (e) 210, (f) 220 and (g) 230 mm, respectively; reconstructed images of phase-only hologram after error diffusion processing but for different distances of (

    Fig. 3. Simulation results II. (a) Phase hologram after direct removal of magnitude; (b) phase profile after direct removal of magnitude; (c) phase hologram after error diffusion processing; (d) phase profile after error diffusion processing; reconstructed images of phase-only hologram after direct removal of magnitude but for different distances of (e) 210, (f) 220 and (g) 230 mm, respectively; reconstructed images of phase-only hologram after error diffusion processing but for different distances of (

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    • Table 1. SI comparison of reconstructed images for different algorithms

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      Table 1. SI comparison of reconstructed images for different algorithms

      ImageSI
      Original image0.016
      Image derived from direct removal of magnitude component0.842
      Image derived from modified GS algorithm based on angular-spectrum theory0.577
      Image derived from proposed algorithm0.419

    • Table 2. Comparison of running time for two algorithms

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      Table 2. Comparison of running time for two algorithms

      ImageRunning time /s
      Image by modified GS algorithm based on angular-spectrum theory2.648
      Image by proposed algorithm0.887

    • Table 3. SI comparison before and after processing

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      Table 3. SI comparison before and after processing

      ImageDistanceSI
      Original image0.095
      Reconstructed image after direct removal of magnituded1=210 mm1.065
      Reconstructed image by proposed algorithmd1=210 mm0.983
      Reconstructed image after direct removal of magnituded2=220 mm1.071
      Reconstructed image by proposed algorithmd2=220 mm1.005
      Reconstructed image after direct removal of magnituded3=230 mm1.058
      Reconstructed image by proposed algorithmd3=230 mm0.991
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    Tingting Zhou, Chao Han. Speckle Noise Suppression in Three-Dimensional Phase-Only Holographic Display[J]. Chinese Journal of Lasers, 2018, 45(12): 1209001

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    Paper Information

    Category: holography and information processing

    Received: Jun. 28, 2018

    Accepted: Jul. 30, 2018

    Published Online: May. 9, 2019

    The Author Email:

    DOI:10.3788/CJL201845.1209001

    Topics

    laser devices and laser physics
    Lasers and Laser Optics
    Laser physics
    laser manufacturing
    Instrumentation, Measurement and Metrology