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Paper Abstract and Keywords
Presentation 2019-03-07 11:20
Evaluation of a Probability Approximation Method for ANS with Multi-ary Sources
Leonardo Inoue, Hidetoshi Yokoo (Gunma Univ.) IT2018-93 ISEC2018-99 WBS2018-94
Abstract (in Japanese) (See Japanese page) 
(in English) In the entropy coders known as Asymmetric Numeral Systems (ANS) proposed by Jarek Duda, the source distribution must be approximated as rational numbers. Considering that the compression performance is determined by approximation accuracy, the original developer analyzes ANS on the assumption that an approximation close to the true distribution is desirable. On the other hand, the present authors revealed that a more accurate approximation does not directly improve the compression performance of ANS, and already proposed a new approximation formula. In this paper, experiments are conducted to evaluate the compression performance attained by the new formula for various sources with finite alphabets.
Keyword (in Japanese) (See Japanese page) 
(in English) Data compression / entropy codes / ANS / / / / /  
Reference Info. IEICE Tech. Rep., vol. 118, no. 477, IT2018-93, pp. 109-114, March 2019.
Paper # IT2018-93 
Date of Issue 2019-02-28 (IT, ISEC, WBS) 
ISSN Print edition: ISSN 0913-5685  Online edition: ISSN 2432-6380
Copyright
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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 IT2018-93 ISEC2018-99 WBS2018-94

Conference Information
Committee IT ISEC WBS  
Conference Date 2019-03-07 - 2019-03-08 
Place (in Japanese) (See Japanese page) 
Place (in English) University of Electro-Communications 
Topics (in Japanese) (See Japanese page) 
Topics (in English) joint meeting of IT, ISEC, and WBS 
Paper Information
Registration To IT 
Conference Code 2019-03-IT-ISEC-WBS 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Evaluation of a Probability Approximation Method for ANS with Multi-ary Sources 
Sub Title (in English)  
Keyword(1) Data compression  
Keyword(2) entropy codes  
Keyword(3) ANS  
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1st Author's Name Leonardo Inoue  
1st Author's Affiliation Gunma University (Gunma Univ.)
2nd Author's Name Hidetoshi Yokoo  
2nd Author's Affiliation Gunma University (Gunma Univ.)
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Speaker
Date Time 2019-03-07 11:20:00 
Presentation Time 25 
Registration for IT 
Paper # IEICE-IT2018-93,IEICE-ISEC2018-99,IEICE-WBS2018-94 
Volume (vol) IEICE-118 
Number (no) no.477(IT), no.478(ISEC), no.479(WBS) 
Page pp.109-114 
#Pages IEICE-6 
Date of Issue IEICE-IT-2019-02-28,IEICE-ISEC-2019-02-28,IEICE-WBS-2019-02-28 


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