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		<isbn>85-244-0103-6</isbn>
		<citationkey>VelhoFigu:1996:OpAdPo</citationkey>
		<title>Optimal adaptive polygonal approximation of parametric surfaces</title>
		<format>Impresso, On-line.</format>
		<year>1996</year>
		<numberoffiles>1</numberoffiles>
		<size>291 KiB</size>
		<author>Velho, Luiz,</author>
		<author>Figueiredo, Luiz Henrique de,</author>
		<editor>Velho, Luiz,</editor>
		<editor>Albuquerque, Arnaldo de,</editor>
		<editor>Lotufo, Roberto A.,</editor>
		<conferencename>Simpósio Brasileiro de Computação Gráfica e Processamento de Imagens, 9 (SIBGRAPI)</conferencename>
		<conferencelocation>Caxambu</conferencelocation>
		<date>29 out. - 1 nov. 1996</date>
		<publisher>Sociedade Brasileira de Computação</publisher>
		<publisheraddress>Porto Alegre</publisheraddress>
		<pages>127-133</pages>
		<booktitle>Anais</booktitle>
		<tertiarytype>Artigo</tertiarytype>
		<organization>SBC - Sociedade Brasileira de Computação; UFMG - Universidade Federal de Minas Gerais</organization>
		<transferableflag>1</transferableflag>
		<keywords>adaptive polygonization, parametric surfaces, polygonal approximation, path-based adaptation algorithm.</keywords>
		<abstract>We present a new method for adaptive polygonization of parametric surfaces. The method combines recursive simplicial subdivision of the domain and point sampling along curves on the surface. We avoid cracks in the polygonal mesh by determining the optimal sampling rate along the edges of a cell before subdividing it. The method is suitable for surfaces with low variations, such as bicubic patches, as well as for surfaces with high variations, such as height fields.</abstract>
		<type>Modelagem Geométrica</type>
		<language>en</language>
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