On the side-information dependency of the temporal correlation in Wyner-Ziv video coding

  • Authors:

  • Nikos Deligiannis;Adrian Munteanu;Tom Clerckx;Jan Cornelis;Peter Schelkens

  • Affiliations:

  • Department of Electronics and Informatics (ETRO) - Interdisciplinary Institute for Broadband Technology (IBBT), Vrije Universiteit Brussel (VUB), Pleinlaan 2, 1050, Belgium;Department of Electronics and Informatics (ETRO) - Interdisciplinary Institute for Broadband Technology (IBBT), Vrije Universiteit Brussel (VUB), Pleinlaan 2, 1050, Belgium;Department of Electronics and Informatics (ETRO) - Interdisciplinary Institute for Broadband Technology (IBBT), Vrije Universiteit Brussel (VUB), Pleinlaan 2, 1050, Belgium;Department of Electronics and Informatics (ETRO) - Interdisciplinary Institute for Broadband Technology (IBBT), Vrije Universiteit Brussel (VUB), Pleinlaan 2, 1050, Belgium;Department of Electronics and Informatics (ETRO) - Interdisciplinary Institute for Broadband Technology (IBBT), Vrije Universiteit Brussel (VUB), Pleinlaan 2, 1050, Belgium

  • Venue:
  • ICASSP '09 Proceedings of the 2009 IEEE International Conference on Acoustics, Speech and Signal Processing
  • Year:
  • 2009

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Abstract

Current models in Wyner-Ziv video coding consider the temporal correlation noise to be side-information independent (SII). This paper goes beyond this assumption and proposes a novel model, of which the parameters are side-information dependent (SID). The proposed model is experimentally validated showing remarkable accuracy improvement over the conventional SII model. Moreover, a novel SID technique for the accurate estimation of the correlation channel in video is introduced. The proposed technique enables the design of a novel pixel-domain Wyner-Ziv video coding system operating without a feedback channel. Preliminary experimental results show that the proposed codec achieves superior performance compared to the state-of-the-art in pixel-domain Wyner-Ziv coding.