An enhanced fast variable block size motion estimation scheme for H.264

Chih Hung Kuo, Meiyin Shen, C. C.Jay Kuo

Research output: Contribution to journalConference articlepeer-review

1 Citation (Scopus)


An enhanced version of the fast inter-prediction mode decision and variable block size motion estimation scheme for the H.264 video encoder presented in [1] is proposed in this work. In particular, we focus on the rate estimation model and thresholds for early termination. They are adaptively updated to enhance the coding speed and the rate-distortion performance. More details about the threshold setting and the mode decision processes are also provided. The improved algorithm can achieve a speed-up factor ranging from 70 to 150 times as compared to the full-search algorithm. H.264, motion estimation, fast motion search, video coding.

Original languageEnglish
Pages (from-to)440-451
Number of pages12
JournalProceedings of SPIE - The International Society for Optical Engineering
Issue numberPART 1
Publication statusPublished - 2004
EventVisual Communications and Image Processing 2004 - San Jose, CA, United States
Duration: 2004 Jan 202004 Jan 22

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics
  • Computer Science Applications
  • Applied Mathematics
  • Electrical and Electronic Engineering


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