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		<isbn>85-244-0103-6</isbn>
		<citationkey>LeitàoFagAyrSanZuf:1996:AlRáIl</citationkey>
		<title>Um algoritmo rápido para iluminação volumétrica</title>
		<format>Impresso, On-line.</format>
		<year>1996</year>
		<numberoffiles>1</numberoffiles>
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		<author>Leitào, Ricardo B. V.,</author>
		<author>Fagundes, Reynaldo P.,</author>
		<author>Ayres, Fábio José,</author>
		<author>Santos, Eduardo Toledo,</author>
		<author>Zuffo, Marcelo Knorich,</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>9-14</pages>
		<booktitle>Anais</booktitle>
		<tertiarytype>Artigo</tertiarytype>
		<organization>SBC - Sociedade Brasileira de Computação; UFMG - Universidade Federal de Minas Gerais</organization>
		<transferableflag>1</transferableflag>
		<keywords>direct volume rendering, gouraud shading, volumetric illumination.</keywords>
		<abstract>Direct Volume Rendering algorithms are very important tools in the analysis of volumetric data in scientific visualization applications. Volume Shading is a critical step regarding the computational cost of these algortims. This paper presents a fast algorthm for volume shading. The proposed technique is based on decompositing the illumination equation into a sum of functions that can be pre-computed in look-up tables. Preliminary results showed the new algorithm is about six times faster than the conventional method.</abstract>
		<type>Síntese de Imagens</type>
		<language>pt</language>
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