NDLI: Speckle noise MAP filtering based on local adaptive neighborhood statistics

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Proceedings SIBGRAPI'98. International Symposium on Computer Graphics, Image Processing, and Vision (Cat. No.98EX237)

Proceedings X Brazilian Symposium on Computer Graphics and Image Processing

Speckle noise MAP filtering based on local adaptive neighborhood statistics

Content Provider	IEEE Xplore Digital Library
Author	Medeiros, F.N.S. Mascarenhas, N.D.A. Costa, L.F.
Copyright Year	1999
Description	Author affiliation: Cybern Vision Group, Sao Paulo Univ., Brazil (Medeiros, F.N.S.)
Abstract	This work proposes the use of an adaptive neighborhood procedure to extract local statistical properties of images in order to improve a speckle noise "Maximum a Posteriori" (MAP) filtering performance. The strategy consists in growing the local statistically homogeneous area near the pixel in order to estimate its MAP filtering parameters. Measures evaluating both the signal-to-noise improvement and resolution loss due to filtering are computed. The use of region growing is investigated as a promising approach compared to a fixed size and shape neighborhood.
Starting Page	347
Ending Page	354
File Size	193337
Page Count	8
File Format	PDF
ISBN	0769504817
DOI	10.1109/SIBGRA.1999.805744
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	1999-10-17
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Speckle Adaptive filters Statistics Noise shaping Filtering algorithms Shape Noise reduction Signal resolution Image analysis Degradation
Content Type	Text
Resource Type	Article

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