Motion estimation and DCT coding combined scheme for H.264/AVC Codec

Wei Jhe Hsu*, Hsueh-Ming Hang, Yi Fu Chen

*Corresponding author for this work

Research output: Chapter in Book/Report/Conference proceedingChapterpeer-review


A typical H.264 video encoder (such as JM) selects the best motion vector based on the sum of absolute difference (SAD) and the sum of absolute transformed difference (SATD) in different accuracy layers. In this paper, we propose a jointly optimal approach that selects the best motion vector that mi-nimizes the rate-distortion cost of the quantized transform coefficients. We test the proposed scheme on a number of sequences. The results indicate that our scheme provides a bit-rate gain up to 4% for P pictures.

Original languageEnglish
Title of host publicationAdvances in Intelligent Systems and Applications - Volume 2
Subtitle of host publicationProceedings of the International Computer
EditorsChang Ruay-Shiung, Peng Sheng-Lung, Lin Chia-Chen
Number of pages9
StatePublished - 28 Jun 2013

Publication series

NameSmart Innovation, Systems and Technologies
ISSN (Print)2190-3018
ISSN (Electronic)2190-3026


  • H.264/AVC
  • Hadamard transform
  • Motion estimation (ME)
  • Rate-distortion (R-D) optimization

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