Chinese Journal of Liquid Crystals and Displays, Volume. 38, Issue 8, 1084(2023)

Fast dehazing algorithm based on segmented estimation of log-S type function

Dong-xia LÜ*, Yan YANG, Jing-long ZHANG, and Wen-bo ZHANG
Author Affiliations
  • School of Electronics and Information Engineering, Lanzhou Jiaotong University, Lanzhou 730070, China
  • show less
    Figures & Tables(14)
    Algorithm flow block diagram
    Correspondence between atmospheric light veil and minimum channel
    Relationship of transmittance, atmospheric light veil, minimum channel, and depth of field.
    Recovery of images by different functions
    Effect of different parameters on the degree of dehazing
    Comparison of the atmospheric light veil and the recovery in Yang and ours
    Atmospheric light comparison
    Comparison of haze images restoration without sky area
    Comparison of haze images restoration with sky area
    Comparison of composite haze images restoration
    • Table 1. Image recovery indicators with different parameters

      View table
      View in Article

      Table 1. Image recovery indicators with different parameters

      图5(b)图5(c)图5(d)图5(e)图5(f)图5(g)
      e(average)0.1480.1780.1940.1960.1920.158
      s(average)14.18215.78315.92916.06614.68813.158 3
    • Table 2. Objective evaluation on index e and r

      View table
      View in Article

      Table 2. Objective evaluation on index e and r

      HeWangWuQinYangOurs
      erererererer
      Image10.0701.1970.0871.2060.0730.599-0.0040.9580.0640.2080.1421.549
      Image20.0801.1200.0671.1130.0741.0140.0311.0650.1541.4260.2081.733
      Image30.1701.264-0.0340.9060.0830.9550.0040.9840.1401.3160.2140.949
      Image40.1301.2710.0621.1100.1071.0620.0211.1280.5200.7450.4211.525
      Image50.3881.1620.2281.1140.0581.2900.0011.1020.2011.1250.1281.271
      Image60.4571.3390.3781.2100.1051.2500.2681.2180.6321.4380.7371.572
      Image70.1391.323-0.0040.9860.0041.1250.0551.1580.0771.3000.1531.735
      Image80.2991.2690.2021.3060.2641.3530.1261.2590.2281.5200.1881.182
      Image9-0.0141.2300.0381.2010.0951.650.2210.9960.481.2010.2111.501
      Image100.1681.370.0411.1130.0771.070.0620.8580.710.9560.1731.256
      Average0.1891.2550.1071.1270.0941.0240.0791.0730.3211.1240.2581.427
    • Table 3. Objective evaluation on index s and t

      View table
      View in Article

      Table 3. Objective evaluation on index s and t

      HeWangWuQinYangOurs
      stststststst
      Image116.5241.34816.5750.25214.4620.96116.7011.67616.3230.72116.2470.218
      Image214.6521.11714.6630.14613.4660.92114.7270.06115.0670.38215.4500.161
      Image316.8734.12215.9870.83514.2201.30016.8090.07915.8800.86417.2010.279
      Image415.2611.43115.0590.64114.6781.45814.8070.08216.3410.42116.1210.291
      Image514.9130.91114.9130.54112.5760.93115.8770.09115.4900.51115.6670.302
      Imag615.6331.52115.5850.32714.6290.92114.5500.07616.4120.44516.3720.180
      Image716.0371.92716.2740.48212.6211.01216.7180.17116.6550.54416.8520.218
      Image815.6201.31616.1620.23816.8760.95215.8710.06315.7780.36615.7560.172
      Image916.5991.21815.8650.32813.6370.86114.7620.09615.4730.39116.5510.301
      Image1015.8652.45516.5990.55415.2480.92115.3310.18116.5860.54116.7920.291
      Average15.7981.73715.7650.43414.2411.02415.6150.32116.0000.52016.3010.241
    • Table 4. Indictors of dataset

      View table
      View in Article

      Table 4. Indictors of dataset

      HeWangWuQinYangOurs
      PSNR16.0016.22218.14925.59617.68219.278
      SSIM0.8680.8550.9040.9460.8170.907
    Tools

    Get Citation

    Copy Citation Text

    Dong-xia LÜ, Yan YANG, Jing-long ZHANG, Wen-bo ZHANG. Fast dehazing algorithm based on segmented estimation of log-S type function[J]. Chinese Journal of Liquid Crystals and Displays, 2023, 38(8): 1084

    Download Citation

    EndNote(RIS)BibTexPlain Text
    Save article for my favorites
    Paper Information

    Category: Research Articles

    Received: Oct. 12, 2022

    Accepted: --

    Published Online: Oct. 9, 2023

    The Author Email:

    DOI:10.37188/CJLCD.2022-0331

    Topics