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Laser & Optoelectronics Progress, Volume. 57, Issue 12, 121018(2020)

Remote Sensing Image Enhancement Based on Non-Subsampled Contourlet Transform and Weighted Guided Filtering

Sheng Wang, Xinglin Zhou*, Pan Zhu, and Jianping Dong
Author Affiliations
  • Key Laboratory of Metallurgical Equipment and Control, Ministry of Education, School of Mechanical Automation, Wuhan University of Science and Technology, Wuhan, Hubei 430081, China
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    AbstractGet PDF(in Chinese)
    Figures&Tables (7)
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    References (22)
    Cited By (2)
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    Figures & Tables(7)
    NSCT. (a) Decomposition process; (b) ideal frequency decomposition

    Fig. 1. NSCT. (a) Decomposition process; (b) ideal frequency decomposition

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    Diagram of images smoothing filter effect with different r and ε. (a) ε=0.01; (b) ε=0.04; (c) ε=0.16

    Fig. 2. Diagram of images smoothing filter effect with different r and ε. (a) ε=0.01; (b) ε=0.04; (c) ε=0.16

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    Curves of nonlinear enhancement function

    Fig. 3. Curves of nonlinear enhancement function

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    Remote sensing images. (a) City; (b) island; (c) road

    Fig. 4. Remote sensing images. (a) City; (b) island; (c) road

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    Comparison of enhancement effects of different methods. (a) HE; (b) MSR; (c) DWT[21]; (d) Ref. [22]; (e) proposed method

    Fig. 5. Comparison of enhancement effects of different methods. (a) HE; (b) MSR; (c) DWT[21]; (d) Ref. [22]; (e) proposed method

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    • Table 1. Evaluation of objective indicators of five enhancement methods

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      Table 1. Evaluation of objective indicators of five enhancement methods

      ImageIndexMethod
      HEMSRDWTRef. [22]Proposed
      EINT246.3987.87125.06237.30249.96
      CityEntropy5.986.677.177.277.74
      AGTime/s26.763.519.533.7313.807.3224.5652.3427.8049.72
      EINT133.0355.8587.33127.21138.83
      IslandEntropy5.966.927.447.257.62
      AGTime/s13.753.415.743.658.896.6812.8753.4513.9149.29
      EINT184.8774.81107.35150.61163.16
      RoadEntropy5.966.997.487.257.63
      AGTime/s20.523.468.283.6711.716.9615.0352.6818.6749.45

    • Table 2. Quantitative comparison of indicators of five methods

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      Table 2. Quantitative comparison of indicators of five methods

      MethodEINTEntropyAG
      HE180.695.7219.73
      MSR62.966.726.77
      DWT91.606.909.86
      Ref. [22]142.677.0814.75
      Proposed154.847.4516.97
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    Sheng Wang, Xinglin Zhou, Pan Zhu, Jianping Dong. Remote Sensing Image Enhancement Based on Non-Subsampled Contourlet Transform and Weighted Guided Filtering[J]. Laser & Optoelectronics Progress, 2020, 57(12): 121018

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    Paper Information

    Category: Image Processing

    Received: Aug. 8, 2019

    Accepted: Nov. 6, 2019

    Published Online: Jun. 3, 2020

    The Author Email: Zhou Xinglin (zx165@163.com)

    DOI:10.3788/LOP57.121018

    Topics

    laser devices and laser physics
    Lasers and Laser Optics
    Laser physics
    laser manufacturing
    Instrumentation, Measurement and Metrology