Chinese Journal of Liquid Crystals and Displays, Volume. 39, Issue 8, 1070(2024)

Dehazing stray light algorithm for fundus retinal image

Junshuai GAI1,2, Yuting MA1,2、*, Yunhai ZHANG2, Haomin YANG2, Yulong LIU3, Yun XIAO2,4, and Tongda WEI2,5
Author Affiliations
  • 1College of Electronic and Information Engineering,Changchun University of Science and Technology,Changchun 130000,China
  • 2Jiangsu Key Laboratory of Medical Optics,Suzhou Institute of Biomedical Engineering and Technology,Chinese Academy of Sciences,Suzhou 215163,China
  • 3The Second Affiliated Hospital of Soochow University,Suzhou 215004,China
  • 4Shenyang Guoke Guangming Medical Technology Co. Ltd.,Shenyang 110167,China
  • 5Jinan Guoke Medical Technology Development Co. Ltd.,Jinan 250102,China
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    Figures & Tables(11)
    Flow chart of fog removal algorithm
    Dark channel images filtered by different scale coefficients
    Comparison of guided filtering optimization
    Processing images with different weighting factors
    Brightening of single channel defogging image
    Annular aperture
    Processing images with different transformation factors
    Dehazing effects of different eye
    Comparison of fog removal details
    • Table 1. Performance indicators for different window magnification

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      Table 1. Performance indicators for different window magnification

      倍率信息熵值平均梯度
      45.210 21.053 5
      85.910 31.123 4
      105.598 41.100 5
    • Table 2. Performance index of the algorithm in this paper

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      View in Article

      Table 2. Performance index of the algorithm in this paper

      图像信息熵值平均梯度标准差处理时间/ms
      上下视场雾图4.269 00.694 426.690 2204
      复原图5.212 01.057 623.243 7
      中央视场雾图5.109 70.914 541.316 5440
      复原图5.752 71.022 036.234 6
      左右视场雾图4.915 70.682 728.305 2395
      复原图5.872 00.847 524.304 6
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    Junshuai GAI, Yuting MA, Yunhai ZHANG, Haomin YANG, Yulong LIU, Yun XIAO, Tongda WEI. Dehazing stray light algorithm for fundus retinal image[J]. Chinese Journal of Liquid Crystals and Displays, 2024, 39(8): 1070

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    Paper Information

    Category: Image Enhancement

    Received: Sep. 2, 2023

    Accepted: --

    Published Online: Sep. 27, 2024

    The Author Email: Yuting MA (mayt@sibet.ac.cn)

    DOI:10.37188/CJLCD.2023-0289

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