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		<citationkey>BordignonCasLopLewTav:2006:ExViBa</citationkey>
		<author>Bordignon, Alex Laier,</author>
		<author>Castro, Rener,</author>
		<author>Lopes, Hélio,</author>
		<author>Lewiner, Thomas,</author>
		<author>Tavares, Geovan,</author>
		<affiliation>Departamento de Matematica. PUC - Rio de Janeiro</affiliation>
		<affiliation>Departamento de Matematica. PUC - Rio de Janeiro</affiliation>
		<affiliation>Departamento de Matematica. PUC - Rio de Janeiro</affiliation>
		<affiliation>Departamento de Matematica. PUC - Rio de Janeiro</affiliation>
		<affiliation>Departamento de Matematica. PUC - Rio de Janeiro</affiliation>
		<title>Exploratory visualization based on multidimensional transfer functions and star coordinates</title>
		<conferencename>Brazilian Symposium on Computer Graphics and Image Processing, 19 (SIBGRAPI)</conferencename>
		<year>2006</year>
		<editor>Oliveira Neto, Manuel Menezes de,</editor>
		<editor>Carceroni, Rodrigo Lima,</editor>
		<booktitle>Proceedings</booktitle>
		<date>8-11 Oct. 2006</date>
		<publisheraddress>Los Alamitos</publisheraddress>
		<publisher>IEEE Computer Society</publisher>
		<conferencelocation>Manaus</conferencelocation>
		<keywords>Data mining, multidimensional transfer functions, star coordinates.</keywords>
		<abstract>Exploration and analysis of multivariate data play an important role in different domains. This work proposes a simple interface prototype that allows a human user to visually explore multivariate spatial objects, such as images, sequence of images or volume. It uses star coordinates as a widget to display the multivariate data on the computer 2D screen. The user then identifies a feature on this powerful coordinate system by mapping a selected feature region on that widget to a color and opacity. As a visual result, the feature is rendered on the objects space composing the use of this maps and the star coordinates projection. Some examples illustrate the potential of this interface.</abstract>
		<language>en</language>
		<tertiarytype>Full Paper</tertiarytype>
		<format>On-line</format>
		<size>2474 KiB</size>
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		<targetfile>hlopes-SCTFV.pdf</targetfile>
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		<e-mailaddress>tomlew@mat.puc-rio.br</e-mailaddress>
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		<url>http://sibgrapi.sid.inpe.br/rep-/sid.inpe.br/sibgrapi@80/2006/07.13.22.33</url>
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