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Paper Abstract and Keywords
Presentation 2025-11-11 10:20
Similarity Evaluation of Readout Weight Vectors Corresponding to Similar Time Series in Reservoir Computing
Mitsuki Hikimachi, Shimon Matsuno (Hokkaido Univ.), Shinichiro Mochizuki (TDK), Kota Ando (Hokkaido Univ.), Tomoyuki Sasaki (TDK), Takao Marukame, Tetsuya Asai (Hokkaido Univ.) CCS2025-46
Abstract (in Japanese) (See Japanese page) 
(in English) In this study, we evaluate the similarity of readout weight vectors trained on similar time series in reservoir computing.
Previous studies have mainly examined the relationship between input signals and reservoir states, with limited attention to the learned readout weights.
Here, we quantitatively measure the similarity among weight vectors obtained from groups of similar signals and clarify how the closeness of input characteristics is reflected in the learned parameters.
This work provides new insights into the representational capability of reservoir computing and the potential for classifying time series based on their learned weights.
Keyword (in Japanese) (See Japanese page) 
(in English) reservoir computing / time series signal classification / / / / / /  
Reference Info. IEICE Tech. Rep., vol. 125, no. 235, CCS2025-46, pp. 71-76, Nov. 2025.
Paper # CCS2025-46 
Date of Issue 2025-11-03 (CCS) 
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 CCS2025-46

Conference Information
Committee CCS  
Conference Date 2025-11-10 - 2025-11-11 
Place (in Japanese) (See Japanese page) 
Place (in English) The Kanazawa Theater 
Topics (in Japanese) (See Japanese page) 
Topics (in English) CCS, etc. 
Paper Information
Registration To CCS 
Conference Code 2025-11-CCS 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Similarity Evaluation of Readout Weight Vectors Corresponding to Similar Time Series in Reservoir Computing 
Sub Title (in English)  
Keyword(1) reservoir computing  
Keyword(2) time series signal classification  
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1st Author's Name Mitsuki Hikimachi  
1st Author's Affiliation Hokkaido University (Hokkaido Univ.)
2nd Author's Name Shimon Matsuno  
2nd Author's Affiliation Hokkaido University (Hokkaido Univ.)
3rd Author's Name Shinichiro Mochizuki  
3rd Author's Affiliation TDK Corporation (TDK)
4th Author's Name Kota Ando  
4th Author's Affiliation Hokkaido University (Hokkaido Univ.)
5th Author's Name Tomoyuki Sasaki  
5th Author's Affiliation TDK Corporation (TDK)
6th Author's Name Takao Marukame  
6th Author's Affiliation Hokkaido University (Hokkaido Univ.)
7th Author's Name Tetsuya Asai  
7th Author's Affiliation Hokkaido University (Hokkaido Univ.)
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Speaker Author-1 
Date Time 2025-11-11 10:20:00 
Presentation Time 25 minutes 
Registration for CCS 
Paper # CCS2025-46 
Volume (vol) vol.125 
Number (no) no.235 
Page pp.71-76 
#Pages 6 
Date of Issue 2025-11-03 (CCS) 

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