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Parity Bit Replenishment for JPEG 2000-Based Video Streaming

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Devaux, F.-O. De Vleeschouwer, Christophe [UCL]

This paper envisions coding with side information to design a highly scalable video codec. To achieve fine-grained scalability in terms of resolution, quality, and spatial access as well as temporal access to individual frames, the JPEG 2000 coding algorithm has been considered as the reference algorithm to encode INTRA information, and coding with side information has been envisioned to refresh the blocks that change between two consecutive images of a video sequence. One advantage of coding with side information compared to conventional closed-loop hybrid video coding schemes lies in the fact that parity bits are designed to correct stochastic errors and not to encode deterministic prediction errors. This enables the codec to support some desynchronization between the encoder and the decoder, which is particularly helpful to adapt on the fly pre-encoded content to fluctuating network resources and/or user preferences in terms of regions of interest. Regarding the coding scheme itself, to preserve both quality scalability and compliance to the JPEG 2000 wavelet representation, a particular attention has been devoted to the definition of a practical coding framework able to exploit not only the temporal but also spatial correlation among wavelet subbands coefficients, while computing the parity bits on subsets of wavelet bit-planes. Simulations have shown that compared to pure INTRA-based conditional replenishment solutions, the addition of the parity bits option decreases the transmission cost in terms of bandwidth, while preserving access flexibility.

Document type Article de périodique (Journal article) – Article de recherche
Access type Accès restreint
Publication date 2009
Language Anglais
Journal information "Eurasip Journal on Image and Video Processing" - Vol. 2009, no. 683820, p. 1-18 (2009)
Peer reviewed yes
Publisher Hindawi publishing corporation
issn 1687-5176
Publication status Publié
Affiliation UCL - FSA/ELEC - Département d'électricité
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Bibliographic reference Devaux, F.-O. ; De Vleeschouwer, Christophe. Parity Bit Replenishment for JPEG 2000-Based Video Streaming. In: Eurasip Journal on Image and Video Processing, Vol. 2009, no. 683820, p. 1-18 (2009)
Permanent URL http://hdl.handle.net/2078.1/66146