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《Journal of University of Science and Technology of China》 2002-05
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The Coherent Speckle Suppressing Method of SAR Images Based on Stationary Wavelet Transform

GAO Qing wei 1,2 , LI Jun 1, XIE Guang jun 1, ZHUANG Zhen quan 1 (1. Department of Electronic Science and Technology, USTC, Hefei 230026, China) (2. Department of Automation, Anhui University, Hefei 230039, China)  
This paper presents a speckle reduction method for synthetic aperture radar(SAR) images based on stationary wavelet transform. SAR images be decomposed by stationary wavelet transform for several levels, the detail images toward 0 by threshold, the recovery SAR images is reconstructed. Experiment result shows that this method not only suppresses the speckle noise effectively, but also preserves as many target characteristics of original images as possible, the recovery SAR images's visual effect is satisfying . The stationary wavelet thresholding de noising has obvious superiority compare to that of orthogonal wavelet.
【Fund】: 973国家重点基础研究发展规划资助项目 (G19980 30 4 13)
【CateGory Index】: TN958
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