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| Presentation | 2011-05-19 10:00 Motion Tracking of Left Ventricular Local Myocardium in B-mode echocardiogram using DP tracking Method Nobuyuki Kamiya, Wataru Ohyama, Tetsushi Wakabayashi, Fumitaka Kimura (Mie Univ), Kiyotsugu Sekioka (Sekioka Clinic)  IE2011-9 PRMU2011-1 MI2011-1 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | The echocardiogram is an essential tool for diagnosis and treatment of cardiovascular diseases. The use of echocardiograms for clinical diagnosis serves multifold ad-vantages including noninvasiveness of diagnosis and real-time imaging. Recent technical innovations of ultrasonic diagnosis equipment require tracking a specific tissue of myocardium. An automated, computer-based objective tracking of myocardium is necessary for quantitative diagnosis. Several methods have been proposed for tracking of myocardial motion and quantitative assessment of the myocardial performance. However, speckle and noise contained in echocardiograms sometimes corrupt the tracking. To eliminate such errors and improve the tracking accuracy, we proposed new tracking algorithm that employs the dynamic programming (DP) based correlation method. The proposed method assumes the cyclic movement of left ventricular myocardium. The objective function employed in correlation tracking is optimized using DP based tracking algorithm on this assumption. Tracking experiments using clinical echocardiography suggest that the proposed method is superior on myocardial motion tracking than the traditional correlation based tracking method. In this report, we present improvement of tracking accuracy by modification of objective function and search area constraint. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | echocardiogram / myocardial motion tracking / dynamic programming / correlation tracking / / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 111, no. 49, MI2011-1, pp. 1-5, May 2011. | |
| Paper # | MI2011-1 | |
| Date of Issue | 2011-05-12 (IE, PRMU, 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 | IE2011-9 PRMU2011-1 MI2011-1 |
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| Conference Information | |
| Committee | PRMU MI IE |
| Conference Date | 2011-05-19 - 2011-05-20 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | |
| Paper Information | |
| Registration To | MI |
| Conference Code | 2011-05-PRMU-MI-IE |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Motion Tracking of Left Ventricular Local Myocardium in B-mode echocardiogram using DP tracking Method |
| Sub Title (in English) | |
| Keyword(1) | echocardiogram |
| Keyword(2) | myocardial motion tracking |
| Keyword(3) | dynamic programming |
| Keyword(4) | correlation tracking |
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| 1st Author's Name | Nobuyuki Kamiya |
| 1st Author's Affiliation | Mie University (Mie Univ) |
| 2nd Author's Name | Wataru Ohyama |
| 2nd Author's Affiliation | Mie University (Mie Univ) |
| 3rd Author's Name | Tetsushi Wakabayashi |
| 3rd Author's Affiliation | Mie University (Mie Univ) |
| 4th Author's Name | Fumitaka Kimura |
| 4th Author's Affiliation | Mie University (Mie Univ) |
| 5th Author's Name | Kiyotsugu Sekioka |
| 5th Author's Affiliation | Sekioka Clinic (Sekioka Clinic) |
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| Speaker | Author-1 |
| Date Time | 2011-05-19 10:00:00 |
| Presentation Time | 30 minutes |
| Registration for | MI |
| Paper # | IE2011-9, PRMU2011-1, MI2011-1 |
| Volume (vol) | vol.111 |
| Number (no) | no.47(IE), no.48(PRMU), no.49(MI) |
| Page | pp.1-5 |
| #Pages | 5 |
| Date of Issue | 2011-05-12 (IE, PRMU, MI) |
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