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Paper Abstract and Keywords
Presentation 2009-07-17 14:30
Noninvasive biofunctional diagnosis based on time-frequency analysis of various biosounds
Ayako Murakami, Kanako Niizuma, Yuka Motohashi, Toshio Sato, Norimichi Kawashima (Toin Univ. of Yokohama), Yumi Shibuya, Emiko Takagi, Takeru Motohashi, Toshihisa Hoshino (Itabashi Chuo General Hospital), Tetsuzo Agishi (Fureai Machida Hospital), Katsutoshi Omi (Chuo Electronics Co.) US2009-25
Abstract (in Japanese) (See Japanese page) 
(in English) We propose a new noninvasive, quantitative and objective method of assessing vascular access (VA) function based on time-frequency analysis of wavelet transform that can be conveniently performed at each hemodialysis treatment. The present article attempted to quantify chronological changes in shunt murmur associated with recurrent stenosis by calculating a normal cross-correlation coefficient R. We also attempted to clarify the characteristic sounds associated with swallowing by capturing swallowing sounds using an acceleration sensor and performing a time-frequency analysis of swallowing sound signals based on wavelet transform.
Keyword (in Japanese) (See Japanese page) 
(in English) Hemodialysis / Vascular Access / Shunt Murmurs / Wavelet Transform Analysis / Swallowing Sounds / / /  
Reference Info. IEICE Tech. Rep., vol. 109, no. 135, US2009-25, pp. 15-20, July 2009.
Paper # US2009-25 
Date of Issue 2009-07-10 (US) 
ISSN Print edition: ISSN 0913-5685    Online edition: ISSN 2432-6380
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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 US  
Conference Date 2009-07-17 - 2009-07-17 
Place (in Japanese) (See Japanese page) 
Place (in English) Toin University of Yokohama 
Topics (in Japanese) (See Japanese page) 
Topics (in English)  
Paper Information
Registration To US 
Conference Code 2009-07-US 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Noninvasive biofunctional diagnosis based on time-frequency analysis of various biosounds 
Sub Title (in English)  
Keyword(1) Hemodialysis  
Keyword(2) Vascular Access  
Keyword(3) Shunt Murmurs  
Keyword(4) Wavelet Transform Analysis  
Keyword(5) Swallowing Sounds  
Keyword(6)  
Keyword(7)  
Keyword(8)  
1st Author's Name Ayako Murakami  
1st Author's Affiliation Toin University of Yokohama (Toin Univ. of Yokohama)
2nd Author's Name Kanako Niizuma  
2nd Author's Affiliation Toin University of Yokohama (Toin Univ. of Yokohama)
3rd Author's Name Yuka Motohashi  
3rd Author's Affiliation Toin University of Yokohama (Toin Univ. of Yokohama)
4th Author's Name Toshio Sato  
4th Author's Affiliation Toin University of Yokohama (Toin Univ. of Yokohama)
5th Author's Name Norimichi Kawashima  
5th Author's Affiliation Toin University of Yokohama (Toin Univ. of Yokohama)
6th Author's Name Yumi Shibuya  
6th Author's Affiliation Itabashi Chuo General Hospital (Itabashi Chuo General Hospital)
7th Author's Name Emiko Takagi  
7th Author's Affiliation Itabashi Chuo General Hospital (Itabashi Chuo General Hospital)
8th Author's Name Takeru Motohashi  
8th Author's Affiliation Itabashi Chuo General Hospital (Itabashi Chuo General Hospital)
9th Author's Name Toshihisa Hoshino  
9th Author's Affiliation Itabashi Chuo General Hospital (Itabashi Chuo General Hospital)
10th Author's Name Tetsuzo Agishi  
10th Author's Affiliation Fureai Machida Hospital (Fureai Machida Hospital)
11th Author's Name Katsutoshi Omi  
11th Author's Affiliation Chuo Electronics Co. (Chuo Electronics Co.)
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Speaker Author-1 
Date Time 2009-07-17 14:30:00 
Presentation Time 25 minutes 
Registration for US 
Paper # US2009-25 
Volume (vol) vol.109 
Number (no) no.135 
Page pp.15-20 
#Pages
Date of Issue 2009-07-10 (US) 


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