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Paper Abstract and Keywords
Presentation 2019-03-01 13:45
Fast ADMM-L1 minimization method by using SMW formula
Naoya Chiba (Tohoku Univ.), Akira Imakura (Tsukuba niv.), Koichi Hashimoto (Tohoku Univ.) PRMU2018-131 CNR2018-54
Abstract (in Japanese) (See Japanese page) 
(in English) The light ray propagation of a projector-camera system is described by Light Transport Matrix (LTM), which is often used for scene relighting, light reflection analysis, and 3D shape measurement. LTM can be estimated by using $ell_1$ minimization because LTM is sparse matrix. Alternating Direction Method of Multipliers (ADMM) is a method which can be applied to $ell_1$ minimization problem. In this paper, we speed-up ADMM by applying of Sherman-Morrison-Woodbury (SMW) for ADMM.
Keyword (in Japanese) (See Japanese page) 
(in English) Light Transport Matrix / ADMM / SMW formula / Sparse Estimation / / / /  
Reference Info. IEICE Tech. Rep., vol. 118, no. 459, PRMU2018-131, pp. 95-98, Feb. 2019.
Paper # PRMU2018-131 
Date of Issue 2019-02-21 (PRMU, CNR) 
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. (No. 10GA0019/12GB0052/13GB0056/17GB0034/18GB0034)
Download PDF PRMU2018-131 CNR2018-54

Conference Information
Committee PRMU CNR  
Conference Date 2019-02-28 - 2019-03-01 
Place (in Japanese) (See Japanese page) 
Place (in English)  
Topics (in Japanese) (See Japanese page) 
Topics (in English)  
Paper Information
Registration To PRMU 
Conference Code 2019-02-PRMU-CNR 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Fast ADMM-L1 minimization method by using SMW formula 
Sub Title (in English)  
Keyword(1) Light Transport Matrix  
Keyword(2) ADMM  
Keyword(3) SMW formula  
Keyword(4) Sparse Estimation  
1st Author's Name Naoya Chiba  
1st Author's Affiliation Tohoku University (Tohoku Univ.)
2nd Author's Name Akira Imakura  
2nd Author's Affiliation Tsukuba University (Tsukuba niv.)
3rd Author's Name Koichi Hashimoto  
3rd Author's Affiliation Tohoku University (Tohoku Univ.)
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Date Time 2019-03-01 13:45:00 
Presentation Time 15 
Registration for PRMU 
Paper # IEICE-PRMU2018-131,IEICE-CNR2018-54 
Volume (vol) IEICE-118 
Number (no) no.459(PRMU), no.460(CNR) 
Page pp.95-98 
#Pages IEICE-4 
Date of Issue IEICE-PRMU-2019-02-21,IEICE-CNR-2019-02-21 

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