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International Journal of Digital Multimedia Broadcasting
Volume 2009, Article ID 141986, 8 pages
Research Article

Intra-Skip in Inter-Frame Coding of H.264/AVC

Communication System Group, Chalmers University of Technology, 412 96 Goteborg, Sweden

Received 16 June 2008; Revised 15 January 2009; Accepted 2 February 2009

Academic Editor: Ennio Gambi

Copyright © 2009 Hui Su. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.


In inter-frame coding of H.264/AVC standard, not only seven inter-partition modes but also intra-modes are taken into account for seeking the best coding mode so as to maintain higher encoding efficiency by sacrificing the speed of H.264/AVC encoder. Aiming at intra-skip, this paper proposes a novel mathematical model for intra-skip in inter-frame coding to alleviate the complexity of the process; the model provides remarkable performance increment by cutting down encoding time while accompanying very minor bitrate increase. The critical advantage of this proposed scheme most emphasized on is that it can optimize H.264 encoder in conjunction with any proposed fast inter- and intra-methods which are focusing on inter-partition mode decision, motion search algorithms, and fast intra-algorithms.