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		<isbn>978-85-7669-273-7</isbn>
		<citationkey>MouraAlca:1995:CoImQu</citationkey>
		<title>Compressão de imagens através de quantização vetorial classificada e predição de médias</title>
		<format>Impresso, On-line.</format>
		<year>1995</year>
		<numberoffiles>1</numberoffiles>
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		<author>Moura, José Eduardo Alves de,</author>
		<author>Alcaim, Abraham,</author>
		<affiliation>CETUC- Pontifícia Universidade Católica do Rio de Janeiro (PUC-Rio)</affiliation>
		<affiliation>CETUC- Pontifícia Universidade Católica do Rio de Janeiro (PUC-Rio)</affiliation>
		<editor>Lotufo, Roberto de Alencar,</editor>
		<editor>Mascarenhas, Nelson Delfino d'Ávila,</editor>
		<e-mailaddress>cintiagraziele.silva@gmail.com</e-mailaddress>
		<conferencename>Simpósio Brasileiro de Computação Gráfica e Processamento de Imagens, 8 (SIBGRAPI)</conferencename>
		<conferencelocation>São Carlos, SP, Brazil</conferencelocation>
		<date>25-27 Oct. 1995</date>
		<publisher>Sociedade Brasileira de Computação</publisher>
		<publisheraddress>Porto Alegre</publisheraddress>
		<pages>73-78</pages>
		<booktitle>Anais</booktitle>
		<tertiarytype>Artigo</tertiarytype>
		<transferableflag>1</transferableflag>
		<keywords>compressão de imagens, quantização vetorial, predição de médias.</keywords>
		<abstract>In this paper we present an image compression technique which employs classified vector quantization and mean prediction. We describe a perceptual block classification algorithm with reduced computational complexity which determines the class for each image block. The block is then encoded with a vector quantization and mean prediction. We described a perceptual block classification algorithm with reduced computational complexity which determines the class for each image block. The block is then encoded with a vector quantizer designed specifically for that class. Mean prediction is used to improve the performance of smooth areas of the image at low bit rates. In this case a residual vector quantizer is employed. Run-length coding are used to reduce the bit rate required to encode the side information.</abstract>
		<type>Compressão de Imagens</type>
		<language>pt</language>
		<targetfile>9 Compressao de imagens.pdf</targetfile>
		<usergroup>cintiagraziele.silva@gmail.com</usergroup>
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		<username>cintiagraziele.silva@gmail.com</username>
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