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| Presentation | 2011-11-11 10:15 A Fundamental Study on Arithmetic Coding of Motion Vectors Using Multi-Peaked Probability Models Yuya Itoh, Hisashi Aomori, Ichiro Matsuda, Susumu Itoh (Tokyo Univ. of Science)  IE2011-80 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | In modern video coding schemes, as techniques of motion compensated prediction are highly developed,efficient coding of motion vector information becomes a crucial issue. For this purpose, in general, a single prediction of the motion vector is computed from the neighboring blocks based on a certain rule such as median prediction, and the resulting differential vector is entropy coded. This paper describes an alternative method which directly encodes horizontal and vertical components of the motion vector using a multi-symbol arithmetic coder. A probability model used in the arithmetic coder has multiple peaks and their positions are dynamically determined using reference motion vectors in causal neighbors. By using the appropriate configuration of the reference motion vectors with an adaptive weighting technique, the amount of coding bits needed for the motion vectors is reduce by 20--25% compared with the conventional method based on the median prediction. |
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| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | video coding / motion vector / multi-synbol arithmetic coding / multi-peaked probability model / / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 111, no. 284, IE2011-80, pp. 19-24, Nov. 2011. | |
| Paper # | IE2011-80 | |
| Date of Issue | 2011-11-04 (IE) | |
| ISSN | Print edition: ISSN 0913-5685 Online edition: ISSN 2432-6380 | |
| Copyright and reproduction |
All rights are reserved and no part of this publication may be reproduced or transmitted in any form or by any means, electronic or mechanical, including photocopy, recording, or any information storage and retrieval system, without permission in writing from the publisher. Notwithstanding, instructors are permitted to photocopy isolated articles for noncommercial classroom use without fee. (License No.: 10GA0019/12GB0052/13GB0056/17GB0034/18GB0034) | |
| Download PDF | IE2011-80 |
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| Conference Information | |
| Committee | ITE-ME ITE-AIT IE |
| Conference Date | 2011-11-11 - 2011-11-11 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | |
| Paper Information | |
| Registration To | IE |
| Conference Code | 2011-11-ME-AIT-IE |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | A Fundamental Study on Arithmetic Coding of Motion Vectors Using Multi-Peaked Probability Models |
| Sub Title (in English) | |
| Keyword(1) | video coding |
| Keyword(2) | motion vector |
| Keyword(3) | multi-synbol arithmetic coding |
| Keyword(4) | multi-peaked probability model |
| Keyword(5) | |
| Keyword(6) | |
| Keyword(7) | |
| Keyword(8) | |
| 1st Author's Name | Yuya Itoh |
| 1st Author's Affiliation | Tokyo University of Science (Tokyo Univ. of Science) |
| 2nd Author's Name | Hisashi Aomori |
| 2nd Author's Affiliation | Tokyo University of Science (Tokyo Univ. of Science) |
| 3rd Author's Name | Ichiro Matsuda |
| 3rd Author's Affiliation | Tokyo University of Science (Tokyo Univ. of Science) |
| 4th Author's Name | Susumu Itoh |
| 4th Author's Affiliation | Tokyo University of Science (Tokyo Univ. of Science) |
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| Speaker | Author-1 |
| Date Time | 2011-11-11 10:15:00 |
| Presentation Time | 25 minutes |
| Registration for | IE |
| Paper # | IE2011-80 |
| Volume (vol) | vol.111 |
| Number (no) | no.284 |
| Page | pp.19-24 |
| #Pages | 6 |
| Date of Issue | 2011-11-04 (IE) |
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