• Acta Optica Sinica
  • Vol. 38, Issue 12, 1228005 (2018)
Wei Fang1、2、*, Yanli Qiao1, Dongying Zhang1、*, and Weining Yi1
Author Affiliations
  • 1 Key Laboratory of Optical Calibration and Characterization of Chinese Academy of Sciences, Anhui Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Hefei, Anhui 230031, China
  • 2 University of Science and Technology of China, Hefei, Anhui 230026, China
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    DOI: 10.3788/AOS201838.1228005 Cite this Article Set citation alerts
    Wei Fang, Yanli Qiao, Dongying Zhang, Weining Yi. Threshold Optimization in Cloud Detection by Polarized Multichannel Remote Sensing[J]. Acta Optica Sinica, 2018, 38(12): 1228005 Copy Citation Text show less
    Flow chart of cloud detection
    Fig. 1. Flow chart of cloud detection
    Histograms. (a) Separated two categories; (b) overlapped two categories
    Fig. 2. Histograms. (a) Separated two categories; (b) overlapped two categories
    Relationship of confidence factors in fuzzy areas of datasets. (a) F1; (b) F2
    Fig. 3. Relationship of confidence factors in fuzzy areas of datasets. (a) F1; (b) F2
    Results of cloud detection. (a) POLDER method; (b) proposed method
    Fig. 4. Results of cloud detection. (a) POLDER method; (b) proposed method
    H5 dataset of cloud detection. (a) POLDER method; (b) proposed method
    Fig. 5. H5 dataset of cloud detection. (a) POLDER method; (b) proposed method
    Wavelength /nmBandwidth /nmPolarizedFunction
    44313.5NoSea
    49016.5YesSea/aerosol/cloud
    56515.5NoSea
    67015.0YesLand/aerosol/cloud
    76311.0NoOxygen pressure of cloud
    76538.0NoOxygen pressure of cloud
    86533.5YesLand/aerosol/cloud
    91021.0NoStem inversion
    102017.0No
    Table 1. Characteristics of POLDER load bands
    MethodClearCloudMixed
    POLDER method4414590
    Proposed method44643816
    Table 2. Pixel numbers of categories for POLDER method and proposed method
    Wei Fang, Yanli Qiao, Dongying Zhang, Weining Yi. Threshold Optimization in Cloud Detection by Polarized Multichannel Remote Sensing[J]. Acta Optica Sinica, 2018, 38(12): 1228005
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