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| Presentation | 2017-01-19 16:10 Source Estimation of en-face OCT by Sparse Signal Modeling Takumi Kawamura, Shunpei Ito, Shogo Muramatsu, Samuel Choi (Niigata Univ.)  IT2016-79 SIP2016-117 RCS2016-269 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | This work proposes a perform source estimation method of en-face optical coherence tomography (OCT) through sparse signal modeling. The en-face OCT is a technique that enables high-resolution acquisition of tomo- graphic images of organism in short time using multi-frequency infra-red rays. The authors are trying to apply it to observe the hair cells of the cochlea of the inner ear. However, acquired data deteriorate due to optical and electrical factors such as lens aberration and sensitivity of an image sensor for capturing re ected light. From the above reasons, a high quality image recovery technique is required. In this study, a source signal estimation method with 3-D non-separable oversampled lapped transform (3-D NSOLT) is proposed, which the authors proposed as a previous work. The performance is evaluated through simulation of en-face OCT restration for arti cially generated data. The performance is compared with FFT-domain ltering in terms of peak signal-to-noise rate (PSNR) and structual similarity index measure （SSIM） so that the signi cance of the proposed method is veri ed. |
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| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | Non-separable oversampled lapped transforms / Optical coherence tomography / Sparse representation / Image restoration / Denoising / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 116, no. 395, SIP2016-117, pp. 195-200, Jan. 2017. | |
| Paper # | SIP2016-117 | |
| Date of Issue | 2017-01-12 (IT, SIP, RCS) | |
| ISSN | Print edition: ISSN 0913-5685 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 | IT2016-79 SIP2016-117 RCS2016-269 |
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| Conference Information | |
| Committee | IT SIP RCS |
| Conference Date | 2017-01-19 - 2017-01-20 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Osaka City Univ. |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | Signal Processing for Wireless Communications, Learning, Mathematical Science, Communication Theory, etc. |
| Paper Information | |
| Registration To | SIP |
| Conference Code | 2017-01-IT-SIP-RCS |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Source Estimation of en-face OCT by Sparse Signal Modeling |
| Sub Title (in English) | |
| Keyword(1) | Non-separable oversampled lapped transforms |
| Keyword(2) | Optical coherence tomography |
| Keyword(3) | Sparse representation |
| Keyword(4) | Image restoration |
| Keyword(5) | Denoising |
| Keyword(6) | |
| Keyword(7) | |
| Keyword(8) | |
| 1st Author's Name | Takumi Kawamura |
| 1st Author's Affiliation | Niigta University (Niigata Univ.) |
| 2nd Author's Name | Shunpei Ito |
| 2nd Author's Affiliation | Niigta University (Niigata Univ.) |
| 3rd Author's Name | Shogo Muramatsu |
| 3rd Author's Affiliation | Niigta University (Niigata Univ.) |
| 4th Author's Name | Samuel Choi |
| 4th Author's Affiliation | Niigta University (Niigata Univ.) |
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| Speaker | Author-1 |
| Date Time | 2017-01-19 16:10:00 |
| Presentation Time | 25 minutes |
| Registration for | SIP |
| Paper # | IT2016-79, SIP2016-117, RCS2016-269 |
| Volume (vol) | vol.116 |
| Number (no) | no.394(IT), no.395(SIP), no.396(RCS) |
| Page | pp.195-200 |
| #Pages | 6 |
| Date of Issue | 2017-01-12 (IT, SIP, RCS) |
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