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Fast inter-mode selection in the H.264/AVC standard using a hierarchical decision process
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Yu, Andy C., Martin, Graham R. and Park, Heechan. (2008) Fast inter-mode selection in the H.264/AVC standard using a hierarchical decision process. IEEE Transactions on Circuits and Systems for Video Technology , Vol.18 (No.2). pp. 186-195. ISSN 1051-8215
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Official URL: http://dx.doi.org/10.1109/TCSVT.2007.913970
Abstract
A complexity reduction algorithm tailored for the H.264/AVC encoder is described. It aims to alleviate the computational burden imposed by Lagrangian rate distortion optimization in the inter-mode selection process. The proposed algorithm is described as a hierarchical structure comprising three levels. Each level targets different types of macroblocks according to the complexity of the search process. Early termination of mode selection is triggered at any of the levels to avoid a full cycle of Lagrangian examination. The algorithm is evaluated using a wide range of test sequences of different classes. The results demonstrate a reduction in encoding time of at least 40%, regardless of the class of sequence. Despite the reduction in computational complexity, picture quality is maintained at all bit rates.
| Item Type: | Journal Article |
|---|---|
| Subjects: | Q Science > QA Mathematics > QA76 Electronic computers. Computer science. Computer software T Technology > TK Electrical engineering. Electronics Nuclear engineering |
| Divisions: | Faculty of Science > Computer Science |
| Library of Congress Subject Headings (LCSH): | Digital video -- Standards, Lagrangian functions, Algorithms, Video compression -- Standards, MPEG (Video coding standard) |
| Journal or Publication Title: | IEEE Transactions on Circuits and Systems for Video Technology |
| Publisher: | I E E E |
| ISSN: | 1051-8215 |
| Date: | February 2008 |
| Volume: | Vol.18 |
| Number: | No.2 |
| Number of Pages: | 10 |
| Page Range: | pp. 186-195 |
| Identification Number: | 10.1109/TCSVT.2007.913970 |
| Status: | Peer Reviewed |
| Publication Status: | Published |
| Access rights to Published version: | Restricted or Subscription Access |
| URI: | http://wrap.warwick.ac.uk/id/eprint/30423 |
Data sourced from Thomson Reuters' Web of Knowledge
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