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Unsupervised Estimation of the Equivalent Number of Looks in SAR Images

โœ Scribed by Yi Cui; Guangyi Zhou; Jian Yang; Yamaguchi, Y.


Book ID
114573380
Publisher
IEEE
Year
2011
Tongue
English
Weight
429 KB
Volume
8
Category
Article
ISSN
1545-598X

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Unsupervised estimation of speckle noise
โœ Jong-Sen Lee; Karl Hoppel; Stephen A. Mango ๐Ÿ“‚ Article ๐Ÿ“… 1992 ๐Ÿ› John Wiley and Sons ๐ŸŒ English โš– 781 KB

Speckle in radar images has the characteristic of a multiplicative noise. In this article, two unsupewised methods are introduced to estimate the speckle noise statistics using the mean and the standard deviation of small image blocks (4 x 4, or 6 x 6 pixels). Since most radar images contain many sm