Motion estimation and compensation for image sequence coding

Q. Wang, R. J. Clarke

Research output: Contribution to journalArticle

Abstract

The current two mainstream motion compensation techniques, pel-recursive and block matching algorithms are first reviewed and experimental results and comments are given. Estimation and motion compensation techniques using image pyramids are then introduced, and a new 'reduced-mean' pyramid data structure is proposed, which gives more accurate motion vectors than conventional techniques without the transmission of extra data. Results obtained by the use of our pyramid algorithms show smaller motion compensated frame differences than those of pel-recursive and block matching algorithms, and the pyramid algorithm is also more efficient in the presence of large amounts of motion. © 1992.

Original languageEnglish
Pages (from-to)161-174
Number of pages14
JournalSignal Processing: Image Communication
Volume4
Issue number2
Publication statusPublished - Apr 1992

Keywords

  • coding
  • compensation
  • Image sequence processing
  • motion estimation

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