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Volume 28 Issue 11
Sep.  2010
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JI Jianrui, LIU Yezheng, JIANG Yuanchun. Recognizing Users Focuses on Social Network Based on Mixed-weight Combined Strategy[J]. Journal of Electronics & Information Technology, 2017, 39(9): 2056-2062. doi: 10.11999/JEIT161348
Citation: Huang Qian, Ma Li-xiang, Zhang Bing-chen, Wang Yan-fei. An Anisotropic Diffusion Equation for SAR Speckle Reduction[J]. Journal of Electronics & Information Technology, 2006, 28(11): 1998-2002.

An Anisotropic Diffusion Equation for SAR Speckle Reduction

  • Received Date: 2005-03-18
  • Rev Recd Date: 2005-08-02
  • Publish Date: 2006-11-19
  • In this paper, a new method which is based on anisotropic diffusion equation for INSAR phase noise reduction is proposed. With the local statistics values, the new method provides anisotropic diffusion in the heterogenous area and isotropic diffusion in the homogeneous area. In the experiment, the new method is proved good performance in reducing INSAR phase noise and preserves edges and details at the same time. Furthermore, the filtered INSAR phase can be unwrapped successfully.
  • Lee J S, Papathanassiou K P, Ainoworth T L, Crunes M R, Reigber A. A new technique for noise filtering of SAR nterferometric phase images[J].IEEE Trcms. on Geoscience and Remote Sensing.1998, 36(5):1456-1465[2]Bo C, Dellepiane S, Beneventano C. A locally adaptive approach for interferometric phase noise reduction. ICARSS'99, Hamburg,Germany, 1999: 264-268.[3]Goldstein R M, Werner C L. Radar interferogram filtering for geophysical applications[J].Geop句}sical Research Letters.1998, 25(21):4035-4038[4]Carlos Lopez-Martinez, Xavier Fabregas. Modeling and reduction of SAR interferometric phase noise in the wavelet domain[J].IEEL Trans. on Geoscience and Remote Sensing.2002, 40(12):2553-2566[5]Pietro P, Jitendra M. Scale-space and edge detection using anisotropic diffusion[J].IEEE Trans. on Pattern Ana加is and Machinelntelligence.1990, 12(7):629-639[6]Chris O, Shaun Q. Understanding Synthetic Aperture Radar Images. Boston, London, Artech House, 1998: 88-89.
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