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Paper Abstract and Keywords
Presentation 2021-11-11 14:30
Polarimetric analysis of ALOS-2/PALSAR-2 data for grasping state of damaged bridge
Koki Kuwabara, Ryoichi Sato, Yoshio Yamaguchi, Hiroyoshi Yamada (Niigata Univ.) SANE2021-47
Abstract (in Japanese) (See Japanese page) 
(in English) In this report, we examine polarimetric scattering characteristics for grasping state of bridge under severe flood disaster situation by using quad-polarimetric SAR data. We carry out model-based scattering power decomposition, polarimetric orientation angle evaluation, and evaluation of alternative polarimetric angle obtained by the eigenvalue/eigenfunction analysis, to quad-pol ALOS-2/PALSAR-2 data in urban area. Many healthy bridges with various orientation directions are included in it. By considering the analysis results, we confirm that the double bounce scattering and the polarimetric angles are useful for identifying each bridge even when the alignment of the bridge is obliquely set to radar direction. We consider the feature may be useful to evaluate the inclined girder part of damaged bridge.
Keyword (in Japanese) (See Japanese page) 
(in English) radar polarimetry / PolSAR / flood / bridge identification / / / /  
Reference Info. IEICE Tech. Rep., vol. 121, no. 236, SANE2021-47, pp. 79-82, Nov. 2021.
Paper # SANE2021-47 
Date of Issue 2021-11-04 (SANE) 
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 SANE2021-47

Conference Information
Committee SANE  
Conference Date 2021-11-11 - 2021-11-12 
Place (in Japanese) (See Japanese page) 
Place (in English) Online 
Topics (in Japanese) (See Japanese page) 
Topics (in English) ICSANE2021/Workshop on subsurface electromagnetic measurement 
Paper Information
Registration To SANE 
Conference Code 2021-11-SANE 
Language English 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Polarimetric analysis of ALOS-2/PALSAR-2 data for grasping state of damaged bridge 
Sub Title (in English)  
Keyword(1) radar polarimetry  
Keyword(2) PolSAR  
Keyword(3) flood  
Keyword(4) bridge identification  
Keyword(5)  
Keyword(6)  
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1st Author's Name Koki Kuwabara  
1st Author's Affiliation Niigata University (Niigata Univ.)
2nd Author's Name Ryoichi Sato  
2nd Author's Affiliation Niigata University (Niigata Univ.)
3rd Author's Name Yoshio Yamaguchi  
3rd Author's Affiliation Niigata University (Niigata Univ.)
4th Author's Name Hiroyoshi Yamada  
4th Author's Affiliation Niigata University (Niigata Univ.)
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Speaker Author-1 
Date Time 2021-11-11 14:30:00 
Presentation Time 20 minutes 
Registration for SANE 
Paper # SANE2021-47 
Volume (vol) vol.121 
Number (no) no.236 
Page pp.79-82 
#Pages 4 
Date of Issue 2021-11-04 (SANE) 

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