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Laser & Optoelectronics Progress, Volume. 59, Issue 8, 0810014(2022)

Improved Image Dehazing Algorithm Based on Haze-line and Dark Channel Prior

Xiaoping Yuan, Yanyu Chen*, and Hui Shi
Author Affiliations
  • College of Information Science and Control Engineering, China University of Mining and Technology, Xuzhou , Jiangsu 221116, China
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    AbstractGet PDF(in Chinese)
    Figures&Tables (9)
    Equations (12)
    References (19)
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    Figures & Tables(9)
    Flowchart of the proposed algorithm

    Fig. 1. Flowchart of the proposed algorithm

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    Comparison of atmospheric light value

    Fig. 2. Comparison of atmospheric light value

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    Image dehazing based on dark channel prior. (a) Original image; (b) transmission map; (c) dehazed image

    Fig. 3. Image dehazing based on dark channel prior. (a) Original image; (b) transmission map; (c) dehazed image

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    Image dehazing based on haze-line prior. (a) Original image; (b) transmission map; (c) dehazed image

    Fig. 4. Image dehazing based on haze-line prior. (a) Original image; (b) transmission map; (c) dehazed image

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    Comparison of transmission maps. (a) Original hazy images; (b) He's algorithm; (c) Berman's algorithm; (d) proposed algorithm

    Fig. 5. Comparison of transmission maps. (a) Original hazy images; (b) He's algorithm; (c) Berman's algorithm; (d) proposed algorithm

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    Effect comparison of dehazing algorithms. (a) Original hazy images; (b) He's algorithm; (c) Berman's algorithm; (d) Zhu's algorithm; (e) proposed algorithm

    Fig. 6. Effect comparison of dehazing algorithms. (a) Original hazy images; (b) He's algorithm; (c) Berman's algorithm; (d) Zhu's algorithm; (e) proposed algorithm

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    • Table 1. Comparison of PSNR

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      Table 1. Comparison of PSNR

      ImageHe’s algorithmBerman’s algorithmZhu’s algorithmProposed algorithm
      111.603112.359413.581615.5421
      210.653410.499115.986216.1926
      313.923613.436517.780518.4362
      411.404411.536616.741317.4580
      510.052113.075314.025614.7548
      612.198210.914815.046816.3734

    • Table 2. Comparison of H

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      Table 2. Comparison of H

      ImageHe’s algorithmBerman’s algorithmZhu’s algorithmProposed algorithm
      112.858713.494712.629415.5487
      213.788614.767511.944716.1392
      314.861315.152314.417517.2534
      414.325912.908711.821615.3032
      513.307413.133511.657214.4581
      615.092414.293612.997815.8976

    • Table 3. Comparison of SSIM

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      Table 3. Comparison of SSIM

      ImageHe’s algorithmBerman’s algorithmZhu’s algorithmProposed algorithm
      10.63150.59460.70030.7571
      20.49400.47020.79210.8673
      30.64290.53110.80580.8311
      40.72280.75270.82420.9228
      50.69550.81630.75660.8582
      60.81640.75390.83210.8537
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    Xiaoping Yuan, Yanyu Chen, Hui Shi. Improved Image Dehazing Algorithm Based on Haze-line and Dark Channel Prior[J]. Laser & Optoelectronics Progress, 2022, 59(8): 0810014

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    Paper Information

    Category: Image Processing

    Received: Jan. 19, 2021

    Accepted: Apr. 29, 2021

    Published Online: Apr. 11, 2022

    The Author Email: Chen Yanyu (2739687299@qq.com)

    DOI:10.3788/LOP202259.0810014

    Topics

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