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		<citationkey>MedeirosMascCost:1999:SpNoMA</citationkey>
		<title>Speckle noise MAP filtering based on local adaptive neighborhood statistics</title>
		<year>1999</year>
		<numberoffiles>3</numberoffiles>
		<size>198 KiB</size>
		<author>Medeiros, Fátima N. S.,</author>
		<author>Mascarenhas, Nelson D. A.,</author>
		<author>Costa, Luciano da F.,</author>
		<editor>Stolfi, Jorge,</editor>
		<editor>Tozzi, Clésio Luis,</editor>
		<conferencename>Brazilian Symposium on Computer Graphics and Image Processing, 12 (SIBGRAPI)</conferencename>
		<conferencelocation>Campinas, SP, Brazil</conferencelocation>
		<date>October</date>
		<publisher>IEEE Computer Society</publisher>
		<publisheraddress>Los Alamitos</publisheraddress>
		<pages>347-354</pages>
		<secondarytype>Full Paper</secondarytype>
		<tertiarytype>Full Paper</tertiarytype>
		<organization>SBC - Brazilian Computer Society and UNICAMP - University of Campinas</organization>
		<transferableflag>1</transferableflag>
		<contenttype>External Contribution</contenttype>
		<keywords>speckle noise map filtering, map.</keywords>
		<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.</abstract>
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		<notes>The conference was held in Campinas, SP, Brazil, from October 17 to 20.</notes>
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		<url>http://sibgrapi.sid.inpe.br/rep-/dpi.inpe.br/vagner/1999/11.29.10.20</url>
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