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| Presentation | 2015-03-03 13:40 Investigation of colonoscope navigation system based on haustral fold detection method Hiroaki Kondo, Masahiro Oda, Kazuhiro Furukawa, Ryoji Miyahara, Yoshiki Hirooka, Hidemi Goto (Nagoya Univ.), Takayuki Kitasaka (Aichi Inst. of Technology), Kensaku Mori (Nagoya Univ.)  MI2014-102 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | In this paper, we propose an estimation method of a colonoscope tip position in the colon by using a CT volume and colonoscopic images. Firstly, we extract haustral folds from colonoscopic images and track haustral folds by making correspondences between haustral fold of previous and current images. We obtain haustral folds enhancement images by using magnitudes of illumination gradients of haustral folds. Then, haustral folds are obtained by searching ridge points from the enhancement images. We also extract haustral folds from a CT volume and estimate a colonoscope tip position by establishing a correspondence between haustral folds extracted from colonoscopic images and haustral folds extracted from the CT volume. We applied the proposed method to a colon phantom and evaluated detection accuracies of haustral folds. The experimental results showed that the average detection rate was 77.3 %. Also, the proposed method could estimate a colonoscope tip position. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | Abdominal CT images / Virtual colonoscopy / Colonoscope / Tracking / / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 114, no. 482, MI2014-102, pp. 237-242, March 2015. | |
| Paper # | MI2014-102 | |
| Date of Issue | 2015-02-23 (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 | MI2014-102 |
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| Conference Information | |
| Committee | MI |
| Conference Date | 2015-03-02 - 2015-03-03 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Hotel Miyahira |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | Creation of multidisciplinary computational anatomy, Forefront of medical image engineering, General topics in medical imaging |
| Paper Information | |
| Registration To | MI |
| Conference Code | 2015-03-MI |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Investigation of colonoscope navigation system based on haustral fold detection method |
| Sub Title (in English) | |
| Keyword(1) | Abdominal CT images |
| Keyword(2) | Virtual colonoscopy |
| Keyword(3) | Colonoscope |
| Keyword(4) | Tracking |
| Keyword(5) | |
| Keyword(6) | |
| Keyword(7) | |
| Keyword(8) | |
| 1st Author's Name | Hiroaki Kondo |
| 1st Author's Affiliation | Nagoya University (Nagoya Univ.) |
| 2nd Author's Name | Masahiro Oda |
| 2nd Author's Affiliation | Nagoya University (Nagoya Univ.) |
| 3rd Author's Name | Kazuhiro Furukawa |
| 3rd Author's Affiliation | Nagoya University (Nagoya Univ.) |
| 4th Author's Name | Ryoji Miyahara |
| 4th Author's Affiliation | Nagoya University (Nagoya Univ.) |
| 5th Author's Name | Yoshiki Hirooka |
| 5th Author's Affiliation | Nagoya University Hospital (Nagoya Univ.) |
| 6th Author's Name | Hidemi Goto |
| 6th Author's Affiliation | Nagoya University (Nagoya Univ.) |
| 7th Author's Name | Takayuki Kitasaka |
| 7th Author's Affiliation | Aichi Institute of Technology (Aichi Inst. of Technology) |
| 8th Author's Name | Kensaku Mori |
| 8th Author's Affiliation | Nagoya University (Nagoya Univ.) |
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| Speaker | Author-1 |
| Date Time | 2015-03-03 13:40:00 |
| Presentation Time | 80 minutes |
| Registration for | MI |
| Paper # | MI2014-102 |
| Volume (vol) | vol.114 |
| Number (no) | no.482 |
| Page | pp.237-242 |
| #Pages | 6 |
| Date of Issue | 2015-02-23 (MI) |
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