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		<identifier>8JMKD3MGPBW34M/3DEAJF5</identifier>
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		<isbn>978-85-7669-272-0</isbn>
		<citationkey>Santos:1994:ChSoGe</citationkey>
		<title>Changing some geometric parameters in parameterized ray tracing</title>
		<format>Impresso, On-line.</format>
		<year>1994</year>
		<numberoffiles>1</numberoffiles>
		<size>6311 KiB</size>
		<author>Santos, Eduardo Toledo,</author>
		<affiliation>Grupo de Computação Gráfica do Laboratório de Sistemas Integráveis (LSI) da Escola Politécnica da Universidade de São Paulo (USP)</affiliation>
		<editor>Freitas, Carla dal Sasso,</editor>
		<editor>Geus, Klaus de,</editor>
		<editor>Scheer, Sérgio,</editor>
		<e-mailaddress>cintiagraziele.silva@gmail.com</e-mailaddress>
		<conferencename>Simpósio Brasileiro de Computação Gráfica e Processamento de Imagens, 7 (SIBGRAPI)</conferencename>
		<conferencelocation>Curitiba</conferencelocation>
		<date>9 - 11 nov. 1994</date>
		<publisher>Sociedade Brasileira de Computação</publisher>
		<publisheraddress>Porto Alegre</publisheraddress>
		<volume>1</volume>
		<pages>249-254</pages>
		<booktitle>Anais</booktitle>
		<tertiarytype>Artigo</tertiarytype>
		<transferableflag>1</transferableflag>
		<keywords>Parameterized ray tracing, geometric parameters, surface normal vectors, light source positions.</keywords>
		<abstract>Parameterized ray tracing is a technique that after the generation of an image by conventional ray tracing, allows changing the optical parameters of the scene and rendering a new image in a fraction of the time taken to synthesize the first one. This paper presents an enhancement to this technique that also enables the modification of two geometric parameters: light source positions and surface normal vectors (bump mapping).</abstract>
		<type>Realismo e Visualização</type>
		<language>en</language>
		<targetfile>33 Changing some geometric.pdf</targetfile>
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