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Paper Abstract and Keywords
Presentation 2020-08-26 13:25
Experimental evaluation of non-contact ultrasonic thickness gauging method using spatial frequency filter in actual underwater environment
Shun Uemae (KU), Kazuki Abukawa (NITKC), Tomoo Satoh, Sayuri Matsumoto (PARI), Kotaro Hoshiba, Takenobu Tsuchiya, Nobuyuki Endoh (KU) US2020-21
Abstract (in Japanese) (See Japanese page) 
(in English) Thickness gauging of steel sheet piles used in port facilities is necessary to inspect performance deterioration due to shape changes such as damage and deterioration. For the maintenance of underwater harbor steel structures, an efficient and highly accurate thickness gauging method is desired. We have proposed a non-contact ultrasonic thickness gauging method using a spatial frequency filter and evaluated its performance by simulated experiments. In this paper, we evaluated the proposed method using data obtained in a real environment. As a result, it was found that this method is effective when the measured thickness of steel sheet is constant.
Keyword (in Japanese) (See Japanese page) 
(in English) B-scan images / thickness gauging / real environment / Multiple reflection / Frequency filter / / /  
Reference Info. IEICE Tech. Rep., vol. 120, no. 139, US2020-21, pp. 5-9, Aug. 2020.
Paper # US2020-21 
Date of Issue 2020-08-19 (US) 
ISSN Print edition: ISSN 0913-5685  Online edition: ISSN 2432-6380
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 US2020-21

Conference Information
Committee US  
Conference Date 2020-08-26 - 2020-08-26 
Place (in Japanese) (See Japanese page) 
Place (in English) Online 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Underwater acoustics, etc. 
Paper Information
Registration To US 
Conference Code 2020-08-US 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Experimental evaluation of non-contact ultrasonic thickness gauging method using spatial frequency filter in actual underwater environment 
Sub Title (in English)  
Keyword(1) B-scan images  
Keyword(2) thickness gauging  
Keyword(3) real environment  
Keyword(4) Multiple reflection  
Keyword(5) Frequency filter  
1st Author's Name Shun Uemae  
1st Author's Affiliation Kanagawa Univercity (KU)
2nd Author's Name Kazuki Abukawa  
2nd Author's Affiliation National Institute of Technology, Kisarazu College (NITKC)
3rd Author's Name Tomoo Satoh  
3rd Author's Affiliation Port and Airport Research Institute (PARI)
4th Author's Name Sayuri Matsumoto  
4th Author's Affiliation Port and Airport Research Institute (PARI)
5th Author's Name Kotaro Hoshiba  
5th Author's Affiliation Kanagawa Univercity (KU)
6th Author's Name Takenobu Tsuchiya  
6th Author's Affiliation Kanagawa Univercity (KU)
7th Author's Name Nobuyuki Endoh  
7th Author's Affiliation Kanagawa Univercity (KU)
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Date Time 2020-08-26 13:25:00 
Presentation Time 25 
Registration for US 
Paper # IEICE-US2020-21 
Volume (vol) IEICE-120 
Number (no) no.139 
Page pp.5-9 
#Pages IEICE-5 
Date of Issue IEICE-US-2020-08-19 

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