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Paper Abstract and Keywords
Presentation 2018-08-20 14:25
Experiment on OCT Volumetric Data Restoration via Hierarchical Sparsity and Hard Constraint
Genki Fujii, Shogo Muramatsu, Samuel Choi (Niigata Univ.), Shunsuke Ono (Tokyo Tech.), Takeru Ota, Fumiaki Nin, Hiroshi Hibino (Niigata Univ.) SIP2018-58
Abstract (in Japanese) (See Japanese page) 
(in English) In this report, we try to apply the restoration algorithm proposed in [1] to real observation data acquired byoptical coherence tomography (OCT). In order to deeply understand the mechanism of sensory epithelium in cochlear,we are working on dynamic tomographic imaging of hair cells of guinea pigin vivoand develop a multi-frequencyswept (MS)en-faceOCT device. Currently, the device faces to a problem that the reected light from biotissue isquite weak. In [1], the restoration problem is reduced to a least squares problem which imposes a hierarchical sparsityregularization and hard constraint, and an algorithm is derived to solve the problem in the framework of Primal-dualproximal splitting (PDS) method. Although the signicance of the proposed model was veried by simulation forarticial data, there is room for additional experiments since the optimum value of the regularization parameters wasnot sufficiently investigated. Thus, this work searches optimal parameters in a wider range, and based on the results,conducts an experiment for real observation data to verify the signicance of the proposed method.
Keyword (in Japanese) (See Japanese page) 
(in English) Volumetric data restoration / Primal-dual proximal splitting (PDS) method / OCT / / / / /  
Reference Info. IEICE Tech. Rep., vol. 118, no. 182, SIP2018-58, pp. 7-12, Aug. 2018.
Paper # SIP2018-58 
Date of Issue 2018-08-13 (SIP) 
ISSN Print edition: ISSN 0913-5685  Online edition: ISSN 2432-6380
Copyright
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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. (No. 10GA0019/12GB0052/13GB0056/17GB0034/18GB0034)
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Conference Information
Committee SIP  
Conference Date 2018-08-20 - 2018-08-21 
Place (in Japanese) (See Japanese page) 
Place (in English) Takushoku Univ. Bunkyo Campus. 
Topics (in Japanese) (See Japanese page) 
Topics (in English)  
Paper Information
Registration To SIP 
Conference Code 2018-08-SIP 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Experiment on OCT Volumetric Data Restoration via Hierarchical Sparsity and Hard Constraint 
Sub Title (in English)  
Keyword(1) Volumetric data restoration  
Keyword(2) Primal-dual proximal splitting (PDS) method  
Keyword(3) OCT  
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1st Author's Name Genki Fujii  
1st Author's Affiliation Niigata University (Niigata Univ.)
2nd Author's Name Shogo Muramatsu  
2nd Author's Affiliation Niigata University (Niigata Univ.)
3rd Author's Name Samuel Choi  
3rd Author's Affiliation Niigata University (Niigata Univ.)
4th Author's Name Shunsuke Ono  
4th Author's Affiliation Tokyo Institute of Technology (Tokyo Tech.)
5th Author's Name Takeru Ota  
5th Author's Affiliation Niigata University (Niigata Univ.)
6th Author's Name Fumiaki Nin  
6th Author's Affiliation Niigata University (Niigata Univ.)
7th Author's Name Hiroshi Hibino  
7th Author's Affiliation Niigata University (Niigata Univ.)
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Speaker
Date Time 2018-08-20 14:25:00 
Presentation Time 25 
Registration for SIP 
Paper # IEICE-SIP2018-58 
Volume (vol) IEICE-118 
Number (no) no.182 
Page pp.7-12 
#Pages IEICE-6 
Date of Issue IEICE-SIP-2018-08-13 


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