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		<citationkey>SantosHiraHira:2007:ApBaIn</citationkey>
		<author>Santos, Carlos da Silva dos,</author>
		<author>Hirata, Nina Sumiko Tomita,</author>
		<author>Hirata Junior, Roberto Hirata,</author>
		<affiliation>Department of Computer Science - Institute of Mathematics and Statistics of University of São Paulo</affiliation>
		<affiliation>Department of Computer Science - Institute of Mathematics and Statistics of University of São Paulo</affiliation>
		<affiliation>Department of Computer Science - Institute of Mathematics and Statistics of University of São Paulo</affiliation>
		<title>Two-stage binary image operator design: an approach based on interaction information</title>
		<conferencename>Brazilian Symposium on Computer Graphics and Image Processing, 20 (SIBGRAPI)</conferencename>
		<year>2007</year>
		<editor>Falcão, Alexandre Xavier,</editor>
		<editor>Lopes, Hélio Côrtes Vieira,</editor>
		<booktitle>Proceedings</booktitle>
		<date>Oct. 7-10, 2007</date>
		<publisheraddress>Los Alamitos</publisheraddress>
		<publisher>IEEE Computer Society</publisher>
		<conferencelocation>Belo Horizonte</conferencelocation>
		<keywords>mathematical morphology, image processing, pattern recognition, information theory, filter design.</keywords>
		<abstract>We address the problem of binary image operator design over large windows by breaking it into two phases. Firstly, we design several operators over small sub-windows of the main window. The outputs of these first level operators are then combined into a global operator. We devise a heuristic, motivated by Information Theory, for breaking the main window into sub-windows. Preliminary results show that the proposed scheme improves operator performance over single-level operators.</abstract>
		<language>en</language>
		<tertiarytype>Full Paper</tertiarytype>
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