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H.264 Rate-Distortion Analysis Using Subjective Quality Metric

  • Luís Teixeira
  • Luís Corte-Real
Part of the Lecture Notes in Computer Science book series (LNCS, volume 5630)

Abstract

In this paper we provide an analysis of rate-distortion (R-D) relationship in an H.264 codec using as quality metric Structural Similarly Information (SSIM). This study focus on the quantization parameter, namely rate-quantization (R-Q) functions and distortion-quantization (D-Q) functions. Together, these functions allow a better understanding of the rate-distortion (R-D) behaviour of an H.264 video codec, which is the key issue of optimum bit allocation. Initial results are presented and discussed.

Keywords

Rate-Distortion optimization SSIM video quality H.264 

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Copyright information

© Springer-Verlag Berlin Heidelberg 2009

Authors and Affiliations

  • Luís Teixeira
    • 1
  • Luís Corte-Real
    • 2
  1. 1.UCP - E.Artes / CITARPortoPortugal
  2. 2.FE.UP / INESC PortoPortoPortugal

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