Improved B-picture coding scheme for next generation video compression

Seung Jin Baek, Seung Won Jung, Hahyun Lee, Hui Yong Kim, Sung-Jea Ko

Research output: Contribution to journalArticle


In this paper, an improved B-picture coding algorithm based on the symmetric bi-directional motion estimation (ME) is proposed. In addition to the block match error between blocks in the forward and backward reference frames, the proposed method exploits the previouslyreconstructed template regions in the current and reference frames for bidirectional ME. The side match error between the predicted target block and its template is also employed in order to alleviate block discontinuities. To efficiently perform ME, an initial motion vector (MV) is adaptively derived by exploiting temporal correlations. Experimental results show that the number of generated bits is reduced by up to 9.31% when the proposed algorithm is employed as a new macroblock (MB) coding mode for the H.264/AVC standard.

Original languageEnglish
Pages (from-to)2318-2326
Number of pages9
JournalIEICE Transactions on Information and Systems
Issue number9
Publication statusPublished - 2012 Sep 1


  • B-picture coding
  • Bi-directional motion estimation
  • Decoder-side motion vector derivation
  • H.264/AVC

ASJC Scopus subject areas

  • Electrical and Electronic Engineering
  • Software
  • Artificial Intelligence
  • Hardware and Architecture
  • Computer Vision and Pattern Recognition

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