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A New Macroblock-Layer Rate Control for H.264/AVC Using Quadratic R-D Model

  • Nam-Rye Son
  • Yoon-Jeong Shin
  • Jae-Myung Yoo
  • Guee-Sang Lee
Conference paper
Part of the Lecture Notes in Computer Science book series (LNCS, volume 4319)

Abstract

In recent years, rate control is an important technique in real time video communication applications using H.264/AVC. Many existing rate control algorithms employ the quadratic rate-distortion (R-D) model, which is determine the target bits for each I, P, B frame. In this paper, we analysis the problems in rate control for JVT video coding using quadratic R-D model. According to the analysis and experimental results, we present a new frame-layer rate control scheme for JVT video coding based on the quadratic R-D model. Also we estimate the target bit rate for macroblock-layer effectively. The experimental results show that with many scene changes between neighboring frames, existing algorithm exceeded transmission bit rate, while proposed algorithm tranquilized bit rate for stable delivery.

Keywords

H.264 video coding Quadratic R-D Model Mean Absolute Difference 

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References

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Copyright information

© Springer-Verlag Berlin Heidelberg 2006

Authors and Affiliations

  • Nam-Rye Son
    • 1
  • Yoon-Jeong Shin
    • 1
  • Jae-Myung Yoo
    • 1
  • Guee-Sang Lee
    • 1
  1. 1.Dept. Computer ScienceChonnam National UniversityGwang-juSouth Korea

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