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		<doi>10.1109/SIBGRAPI.2013.48</doi>
		<citationkey>NascimentoLewi:2013:StToGr</citationkey>
		<title>Streamline-based topological graph construction with application to self-animated images</title>
		<format>On-line.</format>
		<year>2013</year>
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		<author>Nascimento, Renata,</author>
		<author>Lewiner, Thomas,</author>
		<affiliation>PUC-Rio de Janeiro</affiliation>
		<affiliation>PUC-Rio de Janeiro</affiliation>
		<editor>Boyer, Kim,</editor>
		<editor>Hirata, Nina,</editor>
		<editor>Nedel, Luciana,</editor>
		<editor>Silva, Claudio,</editor>
		<e-mailaddress>nina@ime.usp.br</e-mailaddress>
		<conferencename>Conference on Graphics, Patterns and Images, 26 (SIBGRAPI)</conferencename>
		<conferencelocation>Arequipa, Peru</conferencelocation>
		<date>5-8 Aug. 2013</date>
		<publisher>IEEE Computer Society</publisher>
		<publisheraddress>Los Alamitos</publisheraddress>
		<booktitle>Proceedings</booktitle>
		<tertiarytype>Full Paper</tertiarytype>
		<transferableflag>1</transferableflag>
		<versiontype>finaldraft</versiontype>
		<keywords>vector field, vector field topology, visualization, streamline, topological graph, segmentation, topological method, self-animated image.</keywords>
		<abstract>Vector field analysis and visualization is a fundamental tool in science and engineering applications, raising the need for robust methods to capture and represent the global vector field behavior. One such representation, the topological graph, partitions the domain into regions where the flow of the vector field is homogeneous. This work introduces a topological graph construction based on streamlines. It is guaranteed to produce a coherent result even when some singularities are not detected. This work also details an application of topological graphs to improve the generation of self-animated images. In this application, the streamline-based approach carries almost no overhead, since self-animated images already rely on streamlines, but leads to a threefold speed-up of the core processing.</abstract>
		<language>en</language>
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