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    A Sparsity-Based InSAR Phase Denoising Algorithm Using Nonlocal Wavelet Shrinkage

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    Author
    Fang, Dongsheng; Lv, Xiaolei; Wang, Yong; Lin, Xue; Qian, Jiang
    Abstract
    An interferometric synthetic aperture radar (InSAR) phase denoising algorithm using the local sparsity of wavelet coefficients and nonlocal similarity of grouped blocks was developed. From the Bayesian perspective, the double-l1 norm regularization model that enforces the local and nonlocal sparsity constraints was used. Taking advantages of coefficients of the nonlocal similarity between group blocks for the wavelet shrinkage, the proposed algorithm effectively filtered the phase noise. Applying the method to simulated and acquired InSAR data, we obtained satisfactory results. In comparison, the algorithm outperformed several widely-used InSAR phase denoising approaches in terms of the number of residues, root-mean-square errors and other edge preservation indexes.
    URI
    http://hdl.handle.net/10342/8478
    Date
    2016-10-10
    Citation:
    APA:
    Fang, Dongsheng, & Lv, Xiaolei, & Wang, Yong, & Lin, Xue, & Qian, Jiang. (October 2016). A Sparsity-Based InSAR Phase Denoising Algorithm Using Nonlocal Wavelet Shrinkage. Remote Sensing, (8:10), p.. Retrieved from http://hdl.handle.net/10342/8478

    Display/Hide MLA, Chicago and APA citation formats.

    MLA:
    Fang, Dongsheng, and Lv, Xiaolei, and Wang, Yong, and Lin, Xue, and Qian, Jiang. "A Sparsity-Based InSAR Phase Denoising Algorithm Using Nonlocal Wavelet Shrinkage". Remote Sensing. 8:10. (.), October 2016. August 10, 2022. http://hdl.handle.net/10342/8478.
    Chicago:
    Fang, Dongsheng and Lv, Xiaolei and Wang, Yong and Lin, Xue and Qian, Jiang, "A Sparsity-Based InSAR Phase Denoising Algorithm Using Nonlocal Wavelet Shrinkage," Remote Sensing 8, no. 10 (October 2016), http://hdl.handle.net/10342/8478 (accessed August 10, 2022).
    AMA:
    Fang, Dongsheng, Lv, Xiaolei, Wang, Yong, Lin, Xue, Qian, Jiang. A Sparsity-Based InSAR Phase Denoising Algorithm Using Nonlocal Wavelet Shrinkage. Remote Sensing. October 2016; 8(10) . http://hdl.handle.net/10342/8478. Accessed August 10, 2022.
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