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		<isbn>85-244-0103-6</isbn>
		<citationkey>HasegawaTozz:1996:UtBoRe</citationkey>
		<title>Utilização de bordas para redução do erro em shape from shading</title>
		<format>Impresso, On-line.</format>
		<year>1996</year>
		<numberoffiles>1</numberoffiles>
		<size>249 KiB</size>
		<author>Hasegawa, Júlio Kiyoshi,</author>
		<author>Tozzi, Clésio Luis,</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>103-109</pages>
		<booktitle>Anais</booktitle>
		<tertiarytype>Artigo</tertiarytype>
		<organization>SBC - Sociedade Brasileira de Computação; UFMG - Universidade Federal de Minas Gerais</organization>
		<transferableflag>1</transferableflag>
		<keywords>shape from shading, photometry, photogrammetry reconstruction, occluding boundary, self-shadow boundary.</keywords>
		<abstract>This paper proposes the use of occluding and self-shadow boundaries for reducing the error in the SFS reconstruction. Based on the SFS approach proposed in [Hasegawa and Tozzi (1996)] it is shown that the inclusion of boundary information reduces the error without increasing the dimension of the system of equations and the computational efforts for its solution.</abstract>
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