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Paper Abstract and Keywords
Presentation 2017-07-14 14:45
Improved Lossless Data Compression via Substring Enumeration with a Finite Alphabet
Takahiro Ota (Nagano Prefectural Inst. of Tech.), Hiroyoshi Morita (UEC) IT2017-34
Abstract (in Japanese) (See Japanese page) 
(in English) Compression by substring enumeration (CSE) is a lossless universal coding algorithm.Experimental results show that the compression performance of the CSE with a binary alphabet is almost the same as that of a popular data compression application while that of the CSE with a finite alphabet is worse. To improve the compression performance, we improve the lower bound of an inequality which plays a key role for compression performance in the CSE with a finite alphabet. Experimental results showed that the proposed CSE based on the improved inequality has almost the same performance of the CSE with a binary alphabet.
Keyword (in Japanese) (See Japanese page) 
(in English) CSE / Data compression / Compression ratio / Antidictionary coding / Compression by substing enumeration / / /  
Reference Info. IEICE Tech. Rep., vol. 117, no. 120, IT2017-34, pp. 103-108, July 2017.
Paper # IT2017-34 
Date of Issue 2017-07-06 (IT) 
ISSN Print edition: ISSN 0913-5685  Online edition: ISSN 2432-6380
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)
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Conference Information
Committee IT  
Conference Date 2017-07-13 - 2017-07-14 
Place (in Japanese) (See Japanese page) 
Place (in English) Chiba University 
Topics (in Japanese) (See Japanese page) 
Topics (in English) freshman session, general 
Paper Information
Registration To IT 
Conference Code 2017-07-IT 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Improved Lossless Data Compression via Substring Enumeration with a Finite Alphabet 
Sub Title (in English)  
Keyword(1) CSE  
Keyword(2) Data compression  
Keyword(3) Compression ratio  
Keyword(4) Antidictionary coding  
Keyword(5) Compression by substing enumeration  
1st Author's Name Takahiro Ota  
1st Author's Affiliation Nagano Prefectural Institute of Technology (Nagano Prefectural Inst. of Tech.)
2nd Author's Name Hiroyoshi Morita  
2nd Author's Affiliation The University of Electro-Communications (UEC)
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Date Time 2017-07-14 14:45:00 
Presentation Time 25 
Registration for IT 
Paper # IEICE-IT2017-34 
Volume (vol) IEICE-117 
Number (no) no.120 
Page pp.103-108 
#Pages IEICE-6 
Date of Issue IEICE-IT-2017-07-06 

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