Remote Sensing Technology and Application, Volume. 39, Issue 3, 579(2024)

A DWT-based Fusion of Inland Water Images Acquired by Tiangong-2 Interferometric Imaging Radar Altimeter

Yu CHENG, Yunhua ZHANG, Dong LI, Xiao DONG, Xiaojin SHI, Jiefang YANG, Xueyan KANG, and Wenshuai ZHAI
Author Affiliations
  • CAS Key Laboratory of Microwave Remote Sensing, National Space Science Center, Chinese Academy Sciences, Beijing100190, China
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    Figures & Tables(8)
    DWT-based fusion framework for TG2-InIRA inland water images
    Fusion rule for low-frequency components of images
    Fusion rule for high-frequency components of images
    TG2-InIRA to be fused in Anqing area
    Fusion results of the TG2-InIRA images in Anqing area
    Water body extraction results of the TG2-InIRA images in Anqing area
    • Table 1. Parameters and information of the two TG2-InIRA images to be fused in Anqing area

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      Table 1. Parameters and information of the two TG2-InIRA images to be fused in Anqing area

      源图像TG2-InIRA升轨图TG2-InIRA降轨图
      获取时间2017.02.152017.12.01
      入射角2.09°~7.62°3.43°~8.16°
      经度116.793 3°~117.000 5°
      纬度30.274 8°~30.509 9°
      图像尺寸774×746
    • Table 2. Objective evaluation of the fusion results of the TG2-InIRA images in Anqing area

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      Table 2. Objective evaluation of the fusion results of the TG2-InIRA images in Anqing area

      评价指标LPDWT最大值DWT均值WANSCT

      所提

      方法

      清晰度FLaplace28.19558.19168.82446.09781.65594.740
      标准差SD60.77059.22050.37359.72964.05868.724
      均方差MSE86.72774.49590.85871.71279.28165.850
      交叉熵CE0.4410.1880.3660.3980.1680.094
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    Yu CHENG, Yunhua ZHANG, Dong LI, Xiao DONG, Xiaojin SHI, Jiefang YANG, Xueyan KANG, Wenshuai ZHAI. A DWT-based Fusion of Inland Water Images Acquired by Tiangong-2 Interferometric Imaging Radar Altimeter[J]. Remote Sensing Technology and Application, 2024, 39(3): 579

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    Paper Information

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    Received: Dec. 31, 2022

    Accepted: --

    Published Online: Dec. 9, 2024

    The Author Email:

    DOI:10.11873/j.issn.1004-0323.2024.3.0579

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