SAR Image Speckle Reduction Based on Lifting Wavelet Transform

被引：1
|
作者：
Li Min [1 ]
Hu Lian-min [1 ]
Zhang Xiao-ying [1 ]
Lu Lin-ju [1 ]
机构：
[1] Leshan Normal Univ, Dept Phys & Elect Informat, Leshan 614000, Peoples R China
来源：
2012 INTERNATIONAL CONFERENCE ON INDUSTRIAL CONTROL AND ELECTRONICS ENGINEERING (ICICEE) | 2012年
关键词：
SAR image; speckle reduction; lifting scheme; wavelet transform;
D O I：
10.1109/ICICEE.2012.114
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
A new method for SAR images speckle reduction based on lifting wavelet transform is proposed. To evaluate the performance of this filter, the adaptive local statistics filters, which include Lee filter, Kuan filter, Frost filter and a wavelet-based soft-thresholding filter are applied to the speckle reduction for a same SAR image. The performances are compared in several aspects including mean, standard deviation and Equivalent Number of Looks. The results show that the algorithm presented in this paper performs better in restraining noise and remaining the edges and textures of image than the conventional filters do.
引用
收藏
页码：407 / 410
页数：4
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