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Paper Abstract and Keywords
Presentation 2026-10-28 16:25
Distinguishing dynamical systems through recurrence plots with variable thresholds
Kazuya Sawada, Tohru Ikeguchi (Tokyo Univ. of Sci.) CAS2026-38 NLP2026-49
Abstract (in Japanese) (See Japanese page) 
(in English) It is important to distinguish among different underlying dynamical systems based solely on observed time series. In this study, we propose a method for distinguishing dynamical systems using the recurrence plot and its extensions, the iso-directional recurrence plot and the iso-directional neighbors plot. Specifically, we identify the dynamical systems by analyzing how measures of the recurrence quantification analysis vary with the threshold of the recurrence plots. Numerical experiments demonstrated that the proposed method can distinguish between deterministic chaotic systems and stochastic systems.
Keyword (in Japanese) (See Japanese page) 
(in English) Recurrence plot / Recurrence quantification analysis / Chaos / Time series / / / /  
Reference Info. IEICE Tech. Rep., vol. 126, no. 212, NLP2026-49, pp. 57-62, Oct. 2026.
Paper # NLP2026-49 
Date of Issue 2026-10-21 (CAS, NLP) 
ISSN 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 CAS2026-38 NLP2026-49

Conference Information
Committee NLP CAS  
Conference Date 2026-10-28 - 2026-10-29 
Place (in Japanese) (See Japanese page) 
Place (in English) Tsushima Comm. Ctr. 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Circuits and Systems, Nonlinear Problems, etc. 
Paper Information
Registration To NLP 
Conference Code 2026-10-NLP-CAS 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Distinguishing dynamical systems through recurrence plots with variable thresholds 
Sub Title (in English)  
Keyword(1) Recurrence plot  
Keyword(2) Recurrence quantification analysis  
Keyword(3) Chaos  
Keyword(4) Time series  
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1st Author's Name Kazuya Sawada  
1st Author's Affiliation Tokyo University of Science (Tokyo Univ. of Sci.)
2nd Author's Name Tohru Ikeguchi  
2nd Author's Affiliation Tokyo University of Science (Tokyo Univ. of Sci.)
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Speaker Author-1 
Date Time 2026-10-28 16:25:00 
Presentation Time 25 minutes 
Registration for NLP 
Paper # CAS2026-38, NLP2026-49 
Volume (vol) vol.126 
Number (no) no.211(CAS), no.212(NLP) 
Page pp.57-62 
#Pages 6 
Date of Issue 2026-10-21 (CAS, NLP) 

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