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| Presentation | 2009-03-10 09:50 Universal Lossless Source Coding Based on Sequential Grammar Transforms Masaki Jono, Tomohiko Uyematsu, Ryutaroh Matsumoto (Tokyo Inst. of Tech.)  IT2008-98 ISEC2008-156 WBS2008-111 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | The grammar-based code proposed by Kieffer and Yang is a large class of universal codes. Usually, the grammar-based codes can not encode a data string into a binary string before reading all the data string. In this paper, we introduce sequential grammar transforms which can construct grammars for some prefixes of the data string. To efficiently encode these grammars sequentially, we also propose sequential grammar encoding and decoding algorithms. Combined with the irreducible grammar transform, our encoding algorithm provides the universal code. However, the sequential grammar transforms can not be irreducible. To overcome this problem, we propose a new class of grammar transforms called quasi-irreducible, and show that quasi-irreducible grammar transforms together with the proposed algorithm provide a universal code for a class of stationary and ergodic sources. |
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| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | grammar-based code / universal source code / redundancy / sequential data compression / / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 108, no. 472, IT2008-98, pp. 355-362, March 2009. | |
| Paper # | IT2008-98 | |
| Date of Issue | 2009-03-02 (IT, ISEC, WBS) | |
| 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 | IT2008-98 ISEC2008-156 WBS2008-111 |
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| Conference Information | |
| Committee | WBS IT ISEC |
| Conference Date | 2009-03-09 - 2009-03-10 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Hakodate Mirai Univ. |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | |
| Paper Information | |
| Registration To | IT |
| Conference Code | 2009-03-WBS-IT-ISEC |
| Language | English (Japanese title is available) |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Universal Lossless Source Coding Based on Sequential Grammar Transforms |
| Sub Title (in English) | |
| Keyword(1) | grammar-based code |
| Keyword(2) | universal source code |
| Keyword(3) | redundancy |
| Keyword(4) | sequential data compression |
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| 1st Author's Name | Masaki Jono |
| 1st Author's Affiliation | Tokyo Institute of Technology (Tokyo Inst. of Tech.) |
| 2nd Author's Name | Tomohiko Uyematsu |
| 2nd Author's Affiliation | Tokyo Institute of Technology (Tokyo Inst. of Tech.) |
| 3rd Author's Name | Ryutaroh Matsumoto |
| 3rd Author's Affiliation | Tokyo Institute of Technology (Tokyo Inst. of Tech.) |
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| Speaker | Author-1 |
| Date Time | 2009-03-10 09:50:00 |
| Presentation Time | 25 minutes |
| Registration for | IT |
| Paper # | IT2008-98, ISEC2008-156, WBS2008-111 |
| Volume (vol) | vol.108 |
| Number (no) | no.472(IT), no.473(ISEC), no.474(WBS) |
| Page | pp.355-362 |
| #Pages | 8 |
| Date of Issue | 2009-03-02 (IT, ISEC, WBS) |
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