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| Presentation | 2008-07-24 15:15 Source Coding with LDPC code using Linear Programming Junya Honda (Univ. of Tokyo), Shigeki Miyake (NTT), Hirosuke Yamamoto (Univ. of Tokyo), Mitsuru Maruyama (NTT)  IT2008-13 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | In channel coding, Feldman showed that linear programming can be used instead of the sum-product algorithm in the decoding of LDPC codes. In this paper, it is shown that linear programming can alse be applied to lossless and lossy source coding with LDPC codes. The linear programming often outputs a pseudo-codeword, which includes a non-integer symbol. So, an auxiliary algorithm is proposed to derive a suboptimal codeword from such a pseudo-codeword. The performance is evaluated by simulation and it is shown that our scheme can be attained better performance than the time sharing bound of the rate distortion function. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | LCLP / linear programming / LDPC / pseudocodeword / source coding / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 108, no. 158, IT2008-13, pp. 27-32, July 2008. | |
| Paper # | IT2008-13 | |
| Date of Issue | 2008-07-17 (IT) | |
| 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 | IT2008-13 |
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| Conference Information | |
| Committee | IT |
| Conference Date | 2008-07-24 - 2008-07-25 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | University of Tokyo, Kashiwa Campus |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | |
| Paper Information | |
| Registration To | IT |
| Conference Code | 2008-07-IT |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Source Coding with LDPC code using Linear Programming |
| Sub Title (in English) | |
| Keyword(1) | LCLP |
| Keyword(2) | linear programming |
| Keyword(3) | LDPC |
| Keyword(4) | pseudocodeword |
| Keyword(5) | source coding |
| Keyword(6) | |
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| Keyword(8) | |
| 1st Author's Name | Junya Honda |
| 1st Author's Affiliation | University of Tokyo (Univ. of Tokyo) |
| 2nd Author's Name | Shigeki Miyake |
| 2nd Author's Affiliation | NTT Network Innovation Laboratories (NTT) |
| 3rd Author's Name | Hirosuke Yamamoto |
| 3rd Author's Affiliation | University of Tokyo (Univ. of Tokyo) |
| 4th Author's Name | Mitsuru Maruyama |
| 4th Author's Affiliation | NTT Network Innovation Laboratories (NTT) |
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| Speaker | Author-1 |
| Date Time | 2008-07-24 15:15:00 |
| Presentation Time | 25 minutes |
| Registration for | IT |
| Paper # | IT2008-13 |
| Volume (vol) | vol.108 |
| Number (no) | no.158 |
| Page | pp.27-32 |
| #Pages | 6 |
| Date of Issue | 2008-07-17 (IT) |
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