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| Presentation | 2014-01-27 13:30 Retinal Images Analysis for Glaucoma Aided Diagnosis -- Decision of Cup Contour Based on Blood Vessel Bends Detection -- Yuji Hatanaka, Yuuki Nagahata, Susumu Okumura, Kazunori Ogohara (Univ. of Shiga Pref.), Chisako Muramatsu, Akira Sawada, Tetsuya Yamamoto, Hiroshi Fujita (Gifu Univ.)  MI2013-105 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | Retinal image examination is useful for early detection of glaucoma, which is a leading cause of permanent blindness. In order to evaluate the presence of glaucoma, ophthalmologists may determine the cup and disc areas and diagnose glaucoma using a vertical cup-to-disc (C/D) ratio and a rim-to-disc (R/D) ratio. However, quantitative determination of the cup area is very difficult, thus we have been developing an automated vertical C/D ratio and R/D ratio. The purpose of this study is to improve a cup contour by using automated blood vessel bends detection; thereby a blood vessel detection based on a density gradient vectors concentration was added. Using forty four images, including thirty two glaucoma images, the AUCs of vertical C/D ratio and R/D ratio by proposed method were 0.966 and 0.936, respectively. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | Glaucoma / C/D ratio / R/D ratio / Retina / Detection / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 113, no. 410, MI2013-105, pp. 265-268, Jan. 2014. | |
| Paper # | MI2013-105 | |
| Date of Issue | 2014-01-19 (MI) | |
| 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 | MI2013-105 |
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| Conference Information | |
| Committee | MI |
| Conference Date | 2014-01-26 - 2014-01-27 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Bunka Tenbusu Kan |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | Computer Assisted Diagnosis and Therapy Based on Computational Anatomy, etc. |
| Paper Information | |
| Registration To | MI |
| Conference Code | 2014-01-MI |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Retinal Images Analysis for Glaucoma Aided Diagnosis |
| Sub Title (in English) | Decision of Cup Contour Based on Blood Vessel Bends Detection |
| Keyword(1) | Glaucoma |
| Keyword(2) | C/D ratio |
| Keyword(3) | R/D ratio |
| Keyword(4) | Retina |
| Keyword(5) | Detection |
| Keyword(6) | |
| Keyword(7) | |
| Keyword(8) | |
| 1st Author's Name | Yuji Hatanaka |
| 1st Author's Affiliation | The University of Shiga Prefecture (Univ. of Shiga Pref.) |
| 2nd Author's Name | Yuuki Nagahata |
| 2nd Author's Affiliation | The University of Shiga Prefecture (Univ. of Shiga Pref.) |
| 3rd Author's Name | Susumu Okumura |
| 3rd Author's Affiliation | The University of Shiga Prefecture (Univ. of Shiga Pref.) |
| 4th Author's Name | Kazunori Ogohara |
| 4th Author's Affiliation | The University of Shiga Prefecture (Univ. of Shiga Pref.) |
| 5th Author's Name | Chisako Muramatsu |
| 5th Author's Affiliation | Gifu University (Gifu Univ.) |
| 6th Author's Name | Akira Sawada |
| 6th Author's Affiliation | Gifu University (Gifu Univ.) |
| 7th Author's Name | Tetsuya Yamamoto |
| 7th Author's Affiliation | Gifu University (Gifu Univ.) |
| 8th Author's Name | Hiroshi Fujita |
| 8th Author's Affiliation | Gifu University (Gifu Univ.) |
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| Speaker | Author-1 |
| Date Time | 2014-01-27 13:30:00 |
| Presentation Time | 45 minutes |
| Registration for | MI |
| Paper # | MI2013-105 |
| Volume (vol) | vol.113 |
| Number (no) | no.410 |
| Page | pp.265-268 |
| #Pages | 4 |
| Date of Issue | 2014-01-19 (MI) |
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