Studying the GOP Size Impact on the Performance of a Feedback Channel-Based Wyner-Ziv Video Codec

  • Fernando Pereira
  • João Ascenso
  • Catarina Brites
Part of the Lecture Notes in Computer Science book series (LNCS, volume 4872)

Abstract

Wyner-Ziv video coding has become one of the hottest research topics in the video coding community due to the conceptual, theoretical and functional novelties it brings. Among the many practical architectures already available, feedback channel-based with channel coding, e.g. LDPC and turbo codes, solutions are rather popular. These solutions rely on decoder motion estimation based on periodic Intra coded key frames, setting the so-called GOP size, very much like in conventional video coding. This paper targets the rate-distortion and complexity performance study of this type of Wyner-Ziv coding solution as a function of the GOP size, considering both LPDC and turbo codes.

Keywords

Distributed video coding Wyner-Ziv video coding GOP size LDPC coding Turbo coding RD performance Complexity performance 

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Copyright information

© Springer-Verlag Berlin Heidelberg 2007

Authors and Affiliations

  • Fernando Pereira
    • 1
  • João Ascenso
    • 2
  • Catarina Brites
    • 1
  1. 1.Instituto Superior Técnico – Instituto de Telecomunicações, Av. Rovisco Pais, 1049-001 LisboaPortugal
  2. 2.Instituto Superior de Engenharia de Lisboa Instituto de Telecomunicações, Rua Conselheiro Emídio Navarro, 1, 1950-062 LisboaPortugal

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