Multiple description wavelet coding of layered video using optimal redundancy allocation

  • Authors:

  • Nikolaos V. Boulgouris;Konstantinos E. Zachariadis;Angelos Kanlis;Michael G. Strintzis

  • Affiliations:

  • Department of Electronic Engineering, Division of Engineering, King's College London, London, United Kingdom;The Kellogg School of Management, Northwestern University, IL;The European Patent Office, Munich, Germany;The Informatics and Telematics Institute, Thessaloniki, Greece and The Electrical and Computer Engineering Department of the University of Thessaloniki, Thessaloniki, Greece

  • Venue:
  • EURASIP Journal on Applied Signal Processing
  • Year:
  • 2006

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Abstract

We present a wavelet-based framework for the encoding of video in multiple descriptions. Using the proposed methodology, the generation of multiple descriptions is performed so that drift is eliminated at the decoder regardless of the number of received descriptions. Moreover, the proposed framework is flexible in the sense that it allows the encoding of video into an arbitrary number of descriptions. We also present a thorough analysis of rate allocation issues and propose three algorithms for the optimal allocation of redundancy. Experimental results for the transmission of video using two descriptions demonstrate the efficiency of the proposed method.