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Title: Side-information generation for temporally and spatially scalablewyner-ziv codecs
Authors: Macchiavello Espinoza, Bruno Luiggi
Brandi, Fernanda
Peixoto, Eduardo
Queiroz, Ricardo Lopes de
Mukherjee, Debargha
Assunto:: Compressão de dados (Computação)
Processamento de imagens - técnicas digitais
Codificação de vídeo
Issue Date: 2009
Publisher: Hindawi Publishing Corporation
Citation: MACCHIAVELLO, Bruno et al. Side-information generation for temporally and spatially scalablewyner-ziv codecs. EURASIP: Journal on Image and Video Processing, Heidelberg, v. 2009, Article ID 171257, 11 p., 2009. Disponível em: <>. Acesso em: 28 fev. 2013. doi:10.1155/2009/171257
Abstract: The distributed video coding paradigmenables video codecs to operate with reversed complexity, in which the complexity is shifted from the encoder toward the decoder. Its performance is heavily dependent on the quality of the side information generated by motio estimation at the decoder. We compare the rate-distortion performance of different side-information estimators, for both temporally and spatially scalableWyner-Ziv codecs. For the temporally scalable codec we compared an established method with a new algorithm that uses a linear-motion model to produce side-information. As a continuation of previous works, in this paper, we propose to use a super-resolution method to upsample the nonkey frame, for the spatial scalable codec, using the key frames as reference.We verify the performance of the spatial scalableWZcoding using the state-of-the-art video coding standard H.264/AVC.
Licença:: Copyright © 2009 Bruno Macchiavello et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. Fonte: Acesso em: 28 fev. 2013.
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Appears in Collections:CIC - Artigos publicados em periódicos

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