Chinese Journal of Liquid Crystals and Displays, Volume. 39, Issue 9, 1264(2024)

Depth estimation of light field based on correction occlusion perception

Jing NI, Huiping DENG*, Sen XIANG, and Jin WU
Author Affiliations
  • School of Information Science and Engineering,Wuhan University of Science and Technology,Wuhan 430081,China
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    Figures & Tables(12)
    Disparity and depth
    Overall network structure
    Occlusion mask
    Correction convolution feature fusion module
    View selection module
    Improved 3D spatial attention
    BadPix(ε=0.03)and disparity maps of different algorithms
    Disparity map of different algorithms in occlusion scenes
    • Table 1. Comparison of MSE index

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      Table 1. Comparison of MSE index

      MethodBackgammonDotsStripesBoxesCottonDinoSideboard
      LF(2015)11.525.4217.0917.439.171.165.07
      LF_OCC(2016)20.993.028.099.851.071.142.30
      SPO(2016)3.244.876.689.111.310.311.02
      EPINET(2018)1.911.600.276.040.220.150.81
      LFATT(2020)1.810.990.224.000.210.090.53
      Ours1.511.190.222.940.210.100.49
    • Table 2. Comparison of BadPix index

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      Table 2. Comparison of BadPix index

      MethodBackgammonDotsStripesBoxesCottonDinoSideboard
      LF(2015)4.775.3334.8838.4221.3645.1235.42
      LF_OCC(2016)39.5323.4621.0855.1433.7248.8951.15
      SPO(2016)7.6234.9114.8629.5313.7116.3628.81
      EPINET(2018)2.9318.571.5318.662.223.2211.82
      LFATT(2020)2.552.844.2918.970.702.347.24
      Ours2.601.531.8813.870.652.087.22
    • Table 3. Average run times

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      Table 3. Average run times

      AlgorithmTime
      LF(2015)1 009.25
      LF_OCC(2016)519.90
      SPO(2016)2 115.00
      EPINET(2018)1.98
      LFATT(2020)5.86
      Ours1.52
    • Table 4. Ablation experiment

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      Table 4. Ablation experiment

      ModelBadPix/%MSE/pixel
      Baseline2.871.047
      Baseline+SC2.740.960
      Baseline+SC+SA2.020.853
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    Jing NI, Huiping DENG, Sen XIANG, Jin WU. Depth estimation of light field based on correction occlusion perception[J]. Chinese Journal of Liquid Crystals and Displays, 2024, 39(9): 1264

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    Paper Information

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    Received: Sep. 22, 2023

    Accepted: --

    Published Online: Nov. 13, 2024

    The Author Email: Huiping DENG (denghuiping@wust.edu.cn)

    DOI:10.37188/CJLCD.2023-0307

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