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Paper Abstract and Keywords
Presentation 2017-03-13 10:25
Singular-point compensation in Polarimetric-Interferometric Synthetic aperture radar systems
Kohei Oyama, Akira Hirose (Tokyo Univ.) NC2016-79
Abstract (in Japanese) (See Japanese page) 
(in English) In interferogram obtained by interferometric synthetic aperture radar, there are many singular points (SPs) which make it difficult to generate accurate digital elevation model. This paper proposes a filtering method to adaptively compensate SPs by using polarization and phase information around the SPs. In order to handle polarization and phase information simultaneously, we define phasor quaternion (PQ) by combining quaternion number and complex number, thereby we construct the theory of phasor quaternion neural networks (PQNNs). The proposed PQNN filter compensates SPs effectively. In particular, it realizes stably accurate compensation even in situations where conventional methods deteriorate in their performance.
Keyword (in Japanese) (See Japanese page) 
(in English) Polarimetric interferometric synthetic aperture radar / phase singular point / complex-valued neural network / quaternion neural network / digital elevation model / / /  
Reference Info. IEICE Tech. Rep., vol. 116, no. 521, NC2016-79, pp. 91-96, March 2017.
Paper # NC2016-79 
Date of Issue 2017-03-06 (NC) 
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 NC2016-79

Conference Information
Committee MBE NC  
Conference Date 2017-03-13 - 2017-03-14 
Place (in Japanese) (See Japanese page) 
Place (in English) Kikai-Shinko-Kaikan Bldg. 
Topics (in Japanese) (See Japanese page) 
Topics (in English)  
Paper Information
Registration To NC 
Conference Code 2017-03-MBE-NC 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Singular-point compensation in Polarimetric-Interferometric Synthetic aperture radar systems 
Sub Title (in English)  
Keyword(1) Polarimetric interferometric synthetic aperture radar  
Keyword(2) phase singular point  
Keyword(3) complex-valued neural network  
Keyword(4) quaternion neural network  
Keyword(5) digital elevation model  
1st Author's Name Kohei Oyama  
1st Author's Affiliation Tokyo University (Tokyo Univ.)
2nd Author's Name Akira Hirose  
2nd Author's Affiliation Tokyo University (Tokyo Univ.)
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Date Time 2017-03-13 10:25:00 
Presentation Time 25 
Registration for NC 
Paper # IEICE-NC2016-79 
Volume (vol) IEICE-116 
Number (no) no.521 
Page pp.91-96 
#Pages IEICE-6 
Date of Issue IEICE-NC-2017-03-06 

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