Acta Optica Sinica, Volume. 39, Issue 5, 0528005(2019)

Improved Dynamic Threshold Cloud Detection Algorithm for Suomi-NPP Visible Infrared Imaging Radiometer

Yulei Chi1, Lin Sun1、*, and Jing Wei2
Author Affiliations
  • 1 College of Geomatics, Shandong University of Science and Technology, Qingdao, Shandong 266590, China
  • 2 College of Global Change and Earth System Science, Beijing Normal University, Beijing 100875, China
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    Figures & Tables(10)
    Spectral response curves of VIIRS and MODIS sensors
    Land surface reflectance of VIIRS and MODIS sensors in different channels. (a) Blue band; (b) green band; (c) red band; (d) near infrared band
    Distributions of land surface reflectance and brightness temperature for different surface features. (a) Reflectance and brightness temperature; (b) brightness temperature difference
    Three-dimensional distributions of brightness temperature for different surface features
    Flow chart of I-DTCDA algorithm for VIIRS data
    Comparison of cloud detection results between UDTCDA and I-DTCDA algorithms for different surface features. (a) Desert, 2014-09-24; (b) desert ,2014-08-12; (c) bare land, 2014-07-09; (d) bare land,2014-06-23; (e) water, 2014-03-20; (f) water,2014-04-23; (g) snow,2014-06-06; (h) snow, 2014-06-20
    Comparisonof cloud detection results between I-DTCDA and VCM algorithms for different surface features. (a) Desert, 2014-06-04; (b) desert, 2014-07-15; (c) bare land, 2014-05-17; (d) bare land, 2014-07-29; (e) water, 2014-10-23; (f) water, 2014-11-13; (g) snow, 2014-02-06; (h) snow, 2014-11-18
    Comparison in overall accuracy between detected and true cloud concentrations for different cloud detection algorithms
    • Table 1. Parameters of cloud-detection bands for VIIRS

      View table

      Table 1. Parameters of cloud-detection bands for VIIRS

      BandChannelWavelength range /μmCenter wavelength /μm
      M3Blue0.478-0.4980.488
      M4Green0.545-0.5650.555
      M5Red0.662-0.6820.672
      M7Near infrared0.846-0.8850.865
      M10Short-wave infrared1.580-1.6401.610
      M15Thermal infrared10.263-11.26310.763
      M16Thermal infrared11.538-12.48812.013
    • Table 2. Evaluation results of thin cloud detection accuracy

      View table

      Table 2. Evaluation results of thin cloud detection accuracy

      Surface typeAlgorithmHOA /%HCE /%HOE /%HKappa
      UDTCDA84.5612.9136.950.714
      DesertVCM86.3411.4115.610.725
      I-DTCDA91.896.9211.140.805
      UDTCDA90.961.7314.070.753
      Bare landVCM87.078.514.070.739
      I-DTCDA93.572.979.850.809
      UDTCDA88.674.4115.270.756
      WaterVCM90.825.3512.530.768
      I-DTCDA95.581.844.770.868
      UDTCDA86.1715.236.890.721
      SnowVCM82.5429.876.360.703
      I-DTCDA91.8817.334.330.801
      UDTCDA87.728.5718.30.736
      MeanVCM86.6913.7812.140.734
      I-DTCDA93.237.277.520.821
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    Yulei Chi, Lin Sun, Jing Wei. Improved Dynamic Threshold Cloud Detection Algorithm for Suomi-NPP Visible Infrared Imaging Radiometer[J]. Acta Optica Sinica, 2019, 39(5): 0528005

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    Paper Information

    Category: Remote Sensing and Sensors

    Received: Oct. 29, 2018

    Accepted: Feb. 19, 2019

    Published Online: May. 10, 2019

    The Author Email:

    DOI:10.3788/AOS201939.0528005

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