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		<doi>10.1109/SIBGRAPI.2001.963031</doi>
		<citationkey>WuAlés:2001:TrAlIn</citationkey>
		<title>Tracing along an intersection closed loop, when should one stop?</title>
		<year>2001</year>
		<numberoffiles>1</numberoffiles>
		<size>898 KiB</size>
		<author>Wu, Shin-Ting,</author>
		<author>Aléssio, Osmar,</author>
		<editor>Borges, Leandro Díbio,</editor>
		<editor>Wu, Shin-Ting,</editor>
		<conferencename>Brazilian Symposium on Computer Graphics and Image Processing, 14 (SIBGRAPI)</conferencename>
		<conferencelocation>Florianópolis, SC, Brazil</conferencelocation>
		<date>15-18 Oct. 2001</date>
		<publisher>IEEE Computer Society</publisher>
		<publisheraddress>Los Alamitos</publisheraddress>
		<pages>2-9</pages>
		<booktitle>Proceedings</booktitle>
		<tertiarytype>Full Paper</tertiarytype>
		<organization>SBC - Brazilian Computer Society</organization>
		<transferableflag>1</transferableflag>
		<versiontype>finaldraft</versiontype>
		<keywords>Surface-surface intersections, marching algorithms, closed loops,  rotation index.</keywords>
		<abstract>In this paper we present an algorithm for estimating the rotation index of a closed loop from the number of singular points on it. On the basis of this index we also devise a procedure that guarantees to have an arbitrary loop being traced only once. Combining this procedure with a higher-order stepping algorithm, a robust intersection technique is resulted.</abstract>
		<language>en</language>
		<targetfile>2-9.pdf</targetfile>
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		<notes>The conference was held in Florianópolis, SC, Brazil, from October 15 to 18.</notes>
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