ILPS: a scalable multiple description coding scheme for H.264

  • Authors:
  • Lorenzo Favalli;Marco Folli

  • Affiliations:
  • Dipartimento di Elettronica, Università di Pavia, Pavia, Italy 27100;Dipartimento di Elettronica, Università di Pavia, Pavia, Italy 27100

  • Venue:
  • Multimedia Tools and Applications
  • Year:
  • 2011

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Abstract

The most recent literature indicates multiple description coding (MDC) as a promising coding approach to handle the problem of video transmission over unreliable networks with different quality and bandwidth constraints. In this work, we describe an approach that moves from the concept of spatial MDC and improves coding efficiency by exploiting some form of scalability. In the algorithm, we first generate four subsequences by sub-sampling, these subsequences are then taken in pairs that will form each of the two descriptions. For each description, one of the original subsequences is predicted from the other one via some scalable algorithms, focusing on the inter layer prediction scheme. The proposed algorithm has been implemented as pre- and post- processing of the standard H.264/SVC coder. The experimental results presented show that the algorithm provides excellent results in several conditions including 3D video sequences.