NDLI: A PDE Based Method for Speckle Noise Suppression

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A PDE Based Method for Speckle Noise Suppression

Content Provider	IEEE Xplore Digital Library
Author	Huiqian Du Yanfang Ren Wenbo Mei
Copyright Year	2006
Description	Author affiliation: Dept. of Electron. Eng., Beijing Inst. of Technol. (Huiqian Du; Yanfang Ren; Wenbo Mei)
Abstract	The presence of speckle noise hinders observers from acquiring information of SAR images. It is desirable to remove speckle noise without features destroyed. In this paper, a PDE (partial differential equation) based method is presented to suppress the speckle noise. Unlike Perona & Malik's method, standard gradient is introduced to distinguish between the continuous areas and edges in SAR images. Since standard gradient makes use of the statistical information to locate the edges its application in PDE brings better image enhancement results. To demonstrate the performance of our method, we apply it to real SAR images. The experiment results show that the method reduces speckle and keeps important features simultaneously
File Size	579907
File Format	PDF
ISBN	0780397363
DOI	10.1109/ICOSP.2006.345610
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2006-11-16
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Speckle Filters Image edge detection Image enhancement Noise reduction Partial differential equations Spatial resolution Anisotropic magnetoresistance Synthetic aperture radar High-resolution imaging
Content Type	Text
Resource Type	Article

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