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2013 (Vol. 5, Issue: 14)
Article Information:

Speckle Suppression Method for SAR Image

Changjun Huang, Jiming Guo, Xiaodong Yu and Changzheng Yuan
Corresponding Author:  Changjun Huang 

Key words:  BEMD, noise suppression, SAR image, speckle noise, , ,
Vol. 5 , (14): 3661-3666
Submitted Accepted Published
March 10, 2012 January 11, 2013 April 20, 2013

In this study, a new speckle reduction method was proposed in terms of by Bidimensional Empirical Mode Decomposition (BEMD). In this method, the SAR image containing speckle noise was decomposed into a number of elementary components by using BEMD and then the extremal points are done the boundary equivalent extension after screening and the residual continue to be done the boundary equivalent extension until screening is completed, finally, the image was reconstructed, which reduced the speckle noise. Experimental results show that this method has good effect on suppressing speckle noise, compared to the average filter, median filter and gaussian filter and has advantages of sufficiently retaining edge and detail information while suppressing speckle noise.
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  Cite this Reference:
Changjun Huang, Jiming Guo, Xiaodong Yu and Changzheng Yuan, 2013. Speckle Suppression Method for SAR Image.  Research Journal of Applied Sciences, Engineering and Technology, 5(14): 3661-3666.
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ISSN (Online):  2040-7467
ISSN (Print):   2040-7459
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