Laser & Optoelectronics Progress, Volume. 60, Issue 14, 1410009(2023)

Low-Light Image-Enhancement Algorithm Based on Homomorphic Frequency Division Aggregation

Yali Zhang1, Shaobo Ding1, Changlu Li1、*, Xinming Yao2, and Wenyuan Li1
Author Affiliations
  • 1School of Microelectronics, Tianjin University, Tianjin 300072, China
  • 2Forty-Fifth Research Institute of China Electronics Technology Group Corporation, Beijing 100176, China
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    Figures & Tables(15)
    Network structure diagram of basic residual module
    Low-light image enhancement algorithm based on homomorphic frequency division aggregation
    3D diagrams of filter's transfer function. (a) 3D diagram of high-pass filter's transfer function; (b) 3D diagram of low-pass filter's transfer function
    Detail enhanced network
    Enhancement effects of zebra image using different algorithms
    Enhancement effects of building image using different algorithms
    Comparison of objective indicators of different algorithms on synthetic dataset
    Enhancement effects of doll image using different algorithms
    Enhancement effects of room image using different algorithms
    Comparison of objective indicators of different algorithms on real datasets
    Output image comparison of missing different modules. (a) Input image; (b) lack of detail enhancement module; (c) lack of brightness enhancement module; (d) lack of local adaptive network; (e) output image of HFNet; (f) reference image
    • Table 1. Quantitative comparison of synthetic low-light images obtained by different algorithms

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      Table 1. Quantitative comparison of synthetic low-light images obtained by different algorithms

      AlgorithmLIMELLNetRetinexNetZero-DCEEnlightenGANHFNet
      PSNR24.9526.0928.3628.6228.9728.84
      SSIM0.6200.7180.7890.8240.8510.862
    • Table 2. Comparison of subjective evaluation on synthetic low-light images

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      Table 2. Comparison of subjective evaluation on synthetic low-light images

      Image numberLIMELLNetRetinexNetZero-DCEEnlightenGANHFNet
      12.952.703.053.153.203.35
      23.002.852.903.103.253.30
      32.952.652.853.053.203.10
      42.502.602.753.002.953.05
      52.952.902.853.053.003.15
      62.902.953.053.103.153.25
      72.852.702.803.002.953.10
      83.002.802.853.053.103.25
    • Table 3. Quantitative comparison of different algorithms on real low-light images

      View table

      Table 3. Quantitative comparison of different algorithms on real low-light images

      AlgorithmLIMELLNetRetinexNetZero-DCEEnlightenGANHFNet
      IE7.20126.44246.73286.89506.83367.0159
      NIQE6.98017.62437.44056.85726.64916.7696
      NIQMC5.01224.16914.38194.89274.66075.1008
    • Table 4. Comparison of subjective evaluation on real low-light images

      View table

      Table 4. Comparison of subjective evaluation on real low-light images

      Image numberLIMELLNetRetinexNetZero-DCEEnlightenGANHFNet
      12.902.753.003.103.153.25
      23.052.802.953.103.253.30
      32.902.752.953.153.203.25
      42.952.802.853.003.053.20
      53.052.952.803.103.253.15
      63.002.903.053.153.253.30
      72.952.802.753.203.153.25
      83.002.852.903.153.103.20
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    Yali Zhang, Shaobo Ding, Changlu Li, Xinming Yao, Wenyuan Li. Low-Light Image-Enhancement Algorithm Based on Homomorphic Frequency Division Aggregation[J]. Laser & Optoelectronics Progress, 2023, 60(14): 1410009

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    Paper Information

    Category: Image Processing

    Received: Mar. 22, 2022

    Accepted: Sep. 5, 2022

    Published Online: Jul. 17, 2023

    The Author Email: Li Changlu (3383928167@qq.com)

    DOI:10.3788/LOP221078

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