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| Presentation | 2011-01-20 11:30 Utilization of improved region of interest for automated knee implant kinematic analysis from X-ray images Ryogo Kamei (Ritumeikan Univ.), Takaharu Yamazaki, Toshiyuki Okada, Kazuomi Sugamoto, Hideki Yoshikawa (Osaka Univ.), Yen-Wei Chen (Ritsumeikan Univl), Noriyuki Tomiyama, Yoshinobu Sato (Osaka Univ.)  MI2010-95 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | To achieve 3D kinematic analysis of artificial knee implants, 2D/3D registration technique, which uses X-ray fluoroscopic images and computer assisted design model of the knee implant, have been applied to clinical cases. In previous study, however, spurious edges and noises from the edge detection of the implant silhouette were erased manually, and that was one of the problems for practical clinical applications. This study presents an improved method to automatically determine region of interest for implant silhouette contour including a robust method. In order to ensure the validity of stable 3D pose estimation of the implants, experiments using actual fluoroscopic images were performed. Results of experiments showed that the improved method was stably able to estimate the 3D pose of knee implant model, and the feasibility and effectiveness of present method was demonstrated. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | 2D/3D registration / Automation / Robust estimation / Region of interest / / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 110, no. 364, MI2010-95, pp. 77-82, Jan. 2011. | |
| Paper # | MI2010-95 | |
| Date of Issue | 2011-01-12 (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 | MI2010-95 |
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| Conference Information | |
| Committee | MI |
| Conference Date | 2011-01-19 - 2011-01-20 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Naha-Bunka-Tembusu |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | General Medical Imaging |
| Paper Information | |
| Registration To | MI |
| Conference Code | 2011-01-MI |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Utilization of improved region of interest for automated knee implant kinematic analysis from X-ray images |
| Sub Title (in English) | |
| Keyword(1) | 2D/3D registration |
| Keyword(2) | Automation |
| Keyword(3) | Robust estimation |
| Keyword(4) | Region of interest |
| Keyword(5) | |
| Keyword(6) | |
| Keyword(7) | |
| Keyword(8) | |
| 1st Author's Name | Ryogo Kamei |
| 1st Author's Affiliation | Ritsumeikan University (Ritumeikan Univ.) |
| 2nd Author's Name | Takaharu Yamazaki |
| 2nd Author's Affiliation | Osaka University (Osaka Univ.) |
| 3rd Author's Name | Toshiyuki Okada |
| 3rd Author's Affiliation | Graduate School, Osaka University (Osaka Univ.) |
| 4th Author's Name | Kazuomi Sugamoto |
| 4th Author's Affiliation | Graduate School, Osaka University (Osaka Univ.) |
| 5th Author's Name | Hideki Yoshikawa |
| 5th Author's Affiliation | Graduate School, Osaka University (Osaka Univ.) |
| 6th Author's Name | Yen-Wei Chen |
| 6th Author's Affiliation | Ritsumeikan University (Ritsumeikan Univl) |
| 7th Author's Name | Noriyuki Tomiyama |
| 7th Author's Affiliation | Graduate School, Osaka University (Osaka Univ.) |
| 8th Author's Name | Yoshinobu Sato |
| 8th Author's Affiliation | Graduate School, Osaka University (Osaka Univ.) |
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| Speaker | Author-1 |
| Date Time | 2011-01-20 11:30:00 |
| Presentation Time | 30 minutes |
| Registration for | MI |
| Paper # | MI2010-95 |
| Volume (vol) | vol.110 |
| Number (no) | no.364 |
| Page | pp.77-82 |
| #Pages | 6 |
| Date of Issue | 2011-01-12 (MI) |
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