Journal of Atmospheric and Environmental Optics, Volume. 18, Issue 4, 371(2023)

Cloud detection of GF-5 remote sensing image based on multimodal fusion

ZHANG Sugui1...2, ZHANG Jingjing1,2,*, XUN Lina1,2, SUN Xiaobing3, XIONG Wei3, YAN Qing1,2 and LI Sui4 |Show fewer author(s)
Author Affiliations
  • 1Key Laboratory of Intelligent Computing and Signal Processing of Ministry of Education,Anhui University, Hefei 230601, China
  • 2School of Electrical Engineering and Automation, Anhui University, Hefei 230601, China
  • 3Key Laboratory of Optical Calibration and Characterization, Chinese Academy of Sciences, Hefei 230031, China
  • 4Anhui Wenda University of Information Engineering, Hefei 231201, China
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    Figures & Tables(9)
    The overall network model architecture
    Channel-spatial attention module
    The module of iAFF
    MS-CAM
    Comparison of visualization experimental results of different methods
    Visualization of cloud detection results. (a) Remote sensing imagery of thin cloud areas; (b) ground truth; (c) the results using reflectance information as input; (d) the results using reflectance and polarization information
    • Table 1. Characteristics of DPC data bands

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      Table 1. Characteristics of DPC data bands

      波段/nm波段宽度/nm偏振与否
      443443~453
      490480~500
      565555~575
      670660~680
      763758~768
      765745~785
      865845~885
      910900~920
    • Table 2. Cloud detection accuracy of different methods

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      Table 2. Cloud detection accuracy of different methods

      实验方法PA/%PCA/%Rcall/%MIoU/%
      FCN88.6484.5388.5179.16
      SegNet86.2380.5890.9175.74
      DeepLab v191.8988.7091.7884.62
      U-Net92.1394.1093.6784.31
      DANet90.1286.2290.1081.58
      BiSeNet91.2988.0490.9383.55
      This work93.9195.5494.9987.62
    • Table 3. Cloud detection results of ablation experiments

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      Table 3. Cloud detection results of ablation experiments

      实验组别实验方法PA/%PCA/%Rcall/%MIoU/%
      (a)3DU-Net + R90.8490.6194.8982.26
      (b)3DU-Net + R+ P92.1394.1093.6784.31
      (c)3DU-Net + CSAM + R92.5691.5791.7086.01
      (d)3DU-Net + CSAM + R + P93.0992.0592.0386.33
      (e)3DU-Net + CSAM + iAFF + R93.3392.5292.4887.36
      (f)3DU-Net + CSAM + iAFF + R + P93.9195.5494.9987.62
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    Sugui ZHANG, Jingjing ZHANG, Lina XUN, Xiaobing SUN, Wei XIONG, Qing YAN, Sui LI. Cloud detection of GF-5 remote sensing image based on multimodal fusion[J]. Journal of Atmospheric and Environmental Optics, 2023, 18(4): 371

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    Paper Information

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    Received: Oct. 31, 2022

    Accepted: --

    Published Online: Aug. 24, 2023

    The Author Email: ZHANG Jingjing (874878644@qq.com)

    DOI:10.3969/j.issn.1673-6141.2023.04.009

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