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Paper Abstract and Keywords
Presentation 2008-02-01 10:45
Complex-Valued Multistate Associative Memory with Nonlinear Multilevel Function
Gouhei Tanaka, Kazuyuki Aihara (Tokyo Univ.) NLP2007-144
Abstract (in Japanese) (See Japanese page) 
(in English) A complex-valued neural network can be used for multistate associative memory by quantizing a neuronal state into a multivalued state with an appropriate threshold function. The complex-signum function used in conventional multistate associative memory models is a transformation including a multilevel signum function in essence. In the present report, we propose a complex-valued threshold function based on nonlinear multilevel functions and show the recall performance of the multistate associative memory based on the proposed method. Numerical experiments clarify how the recall capability is influenced by the parameter controlling the nonlinearity of the multilevel function, the number of the stored patterns, and the number of quantized states. We also demonstrate gray-level image reconstruction with the proposed method.
Keyword (in Japanese) (See Japanese page) 
(in English) Complex-valued neural networks / Multistate associative memory / Gray-level image reconstruction / / / / /  
Reference Info. IEICE Tech. Rep., vol. 107, no. 478, NLP2007-144, pp. 13-18, Jan. 2008.
Paper # NLP2007-144 
Date of Issue 2008-01-25 (NLP) 
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 NLP2007-144

Conference Information
Committee NLP  
Conference Date 2008-01-31 - 2008-02-01 
Place (in Japanese) (See Japanese page) 
Place (in English)  
Topics (in Japanese) (See Japanese page) 
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Paper Information
Registration To NLP 
Conference Code 2008-01-NLP 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Complex-Valued Multistate Associative Memory with Nonlinear Multilevel Function 
Sub Title (in English)  
Keyword(1) Complex-valued neural networks  
Keyword(2) Multistate associative memory  
Keyword(3) Gray-level image reconstruction  
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1st Author's Name Gouhei Tanaka  
1st Author's Affiliation University of Tokyo (Tokyo Univ.)
2nd Author's Name Kazuyuki Aihara  
2nd Author's Affiliation University of Tokyo (Tokyo Univ.)
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Speaker Author-1 
Date Time 2008-02-01 10:45:00 
Presentation Time 25 minutes 
Registration for NLP 
Paper # NLP2007-144 
Volume (vol) vol.107 
Number (no) no.478 
Page pp.13-18 
#Pages 6 
Date of Issue 2008-01-25 (NLP) 

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