Speckle restraint of satellite SAR image using wavelet transform

被引：0
|
作者：
Hu, Z.L. [1 ]
Guo, D.Z. [1 ]
Sheng, Y.H. [1 ]
机构：
[1] China Univ. of Min. and Technol., Xuzhou 221008, China
来源：
Zhongguo Kuangye Daxue Xuebao/Journal of China University of Mining & Technology | 2001年 / 30卷 / 03期
关键词：
Image reconstruction - Satellites - Speckle - Wavelet transforms;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
A speckle restraint algorithm was described for satellite SAR image using wavelet transform. The SAR image was decomposed using appropriate wavelet bases, and the contribution of speckle to wavelet coefficients was analyzed. Based on the multiplicative relation between speckle and gray and the correlation of speckle, a suitable threshold was selected. The SAR image speckle restraining was reconstructed using wavelet reconstruction technique. The experiment shows that speckle can be effectively restrained using this algorithm.
引用
收藏
页码：229 / 232
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