Advertisement

A Rate Control Using Adaptive Model-Based Quantization

  • Seonki Kim
  • Tae-Jung Kim
  • Sang-Bong Lee
  • Jae-Won Suh
Conference paper
Part of the Lecture Notes in Computer Science book series (LNCS, volume 4319)

Abstract

The rate control is an essential component in video coding to provide a uniform quality under given coding constraints. The source distribution to be quantized cannot be defined as a single model in the video sequence. In this paper, we present a new rate control algorithm based on the Generalized Gaussian R-D model. Through considering a relation between adjacent frames or macroblocks, we determine model parameters, and perform a rate control on the H.264/AVC video codec. As shown in experimental results, the proposed algorithm provides an improved quality of the reconstructed picture after encoding. In addition, our scheme generates the number of bits close to the target bitrate.

Keywords

Video Code Quantization Parameter Video Codec Distortion Parameter Rate Control Algorithm 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

Preview

Unable to display preview. Download preview PDF.

Unable to display preview. Download preview PDF.

References

  1. 1.
    MPEG-2, MPEG-2 Test Model 5(TM5) Doc.ISO/IEC/ JTC1/SC29/WG11/ N0400, Test Model Editing Committee (April 1994)Google Scholar
  2. 2.
    MPEG-4, MPEG-4 Video Verification Model version 16 (VM16) Doc.ISO/IEC JTC1/SC29/WG11/N3312 (March 2000)Google Scholar
  3. 3.
    ITU-T SG16 Video Coding Experts Group, Video Codec Test Model, Near-Term Version 8 (TMN8) (September 1997)Google Scholar
  4. 4.
    Ma, S., Gao, W., Gao, P., Lu, Y.: Rate Control for Advance Video Coding (AVC) Standard. In: International Symposium on Circuits and Systems, vol. 2, pp. 892–895 (May 2003)Google Scholar
  5. 5.
    Wang, N., He, Y.: A New Bit Rate Control Strategy for H.264. In: Joint Conference of the 4th International Conference on Information, Communications and Signal Processing and 4th Pacific-Rim Conference on Multimedia, December 2003, vol. 3A2.6 (2003)Google Scholar
  6. 6.
    Lin, L.-J., Ortega, A.: Bit-Rate Control Using Piecewise Approximated Rate-Distortion Characteristics. IEEE Trans. on Circuits and Systems for Video Technology 8(4) (August 1998)Google Scholar
  7. 7.
    Ribas-Corbera, J., Lei, S.: Rate Control in DCT Video Coding for Low-Delay Communications. IEEE Trans. on Circuits and Systems for Video Technology 9(1) (Feburary 1999)Google Scholar
  8. 8.
    He, Z., Mitra, S.K.: A Linear Source Model and a Unified Rate Conrtrol Algorithm for DCT Video Coding. IEEE Trans. on Circuits and Systems for Video Technology 12(11) (November 2002)Google Scholar
  9. 9.
    Lam, E.Y., Goodman, J.W.: A Mathematical Analysis of the DCT Coefficient Distribution for Images. IEEE Trans. on Image Processing 9(10), 1661–1666 (2002)CrossRefGoogle Scholar
  10. 10.
    Yovanof, G.S., Liu, S.: Statistical Analysis of the DCT Coefficients and Their Quantization Error. In: Conference on the Thirtieth Asilomar, November 1996, vol. 1, pp. 601–605 (1996)Google Scholar
  11. 11.
    Wang, N., He, Y.: A new bit rate control strategy for H.264. In: Pacific-Rim Conference on Multimedia (December 2003)Google Scholar
  12. 12.
    Aiazzi, B., Alparone, L., Baronti, S.: Estimation Based on Entropy Matching for Generalized Gaussian PDF Modeling. IEEE Signal Processing Letters 6(6), 138–140 (1999)CrossRefGoogle Scholar
  13. 13.
    ”Draft ITU-T Recommendation and Final Draft International Standard of Joint Video Specification(ITU-T Rec. H.264|ISO/IEC 14496-10 AVC),” Joint Video Team(JVT) of ISO/IEC MPEG and ITU-T VCEG(ISO/IEC JTC/SG29/WG11 and ITU-T SG16 Q.6) JVT-G050.doc, 8th meeting, Geneva, Switzerland (May 2003)Google Scholar

Copyright information

© Springer-Verlag Berlin Heidelberg 2006

Authors and Affiliations

  • Seonki Kim
    • 1
  • Tae-Jung Kim
    • 2
  • Sang-Bong Lee
    • 2
  • Jae-Won Suh
    • 2
  1. 1.LG Electronics, Inc.SeoulKorea
  2. 2.School of Electrical and Computer EngineeringChungbuk National UniversityChongjuKorea

Personalised recommendations