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Distributed video coding of Wyner-ziv frames using trellis coded modulation

Weerakkody, WARJ, Fernando, WAC and Adikari, ABB (2007) Distributed video coding of Wyner-ziv frames using trellis coded modulation Canadian Conference on Electrical and Computer Engineering. pp. 314-317.

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Abstract

Distributed Video Coding (DVC) is known as an emerging video coding technique, which primarily has a modified complexity balance in the encoder and decoder, in contrast to its traditional competitors. In DVC, we have a very simple low cost encoder which is an ideal feature for applications involving a large number of video capturing points located remotely and a centralized shared decoder. In this paper, we introduce a novel approach for DVC, using Turbo Trellis Coded Modulation (TTCM) to generate the parity information at the encoder to be sent over the channel and then to decode the parity with the side information at the decoder. The side information is generated using key frames passed to the decoder by the use of a pixel interpolation technique. TCM symbols are formed using the side information and the parity bit stream which are fed to the TTCM decoder. The decoded output is used to reconstruct the final video sequence. The results are compared with a turbo coding based DVC and it is evident that the proposed method outperforms its turbo code based counterpart by a significant margin.

Item Type: Article
Authors :
NameEmailORCID
Weerakkody, WARJUNSPECIFIEDUNSPECIFIED
Fernando, WACw.fernando@surrey.ac.ukUNSPECIFIED
Adikari, ABBUNSPECIFIEDUNSPECIFIED
Date : 1 December 2007
Identification Number : 10.1109/CCECE.2006.277503
Depositing User : Symplectic Elements
Date Deposited : 17 May 2017 11:16
Last Modified : 17 May 2017 14:55
URI: http://epubs.surrey.ac.uk/id/eprint/830693

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