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| Presentation | 2007-10-19 14:40 Chaos Analyses of Fluctuation in Heartbeats and the Inverse Problem of the Tquivalent Electric Dipole with Ecg Dynamics based on Finite Element Method Katsuyuki Murakami (Nagaoka Univ. of Tech.), Hideyuki Usui (eTRUST), Masahiro Nakagawa (Nagaoka Univ. of Tech.)  CAS2007-61 NLP2007-89 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | In this research, we estimated the electric dipole dynamics by means of solving an inverse problem with respect to spatio-temporal patterns of activity in the human heart. Finite Element Method (FEM) is employed to find the body surface potential generated from the predicted dipole; the dipole location in which the computed potential fits the measured potential is calculated by using Genetic Algorithm (GA). The experimental results show that the estimated dipole location and rotation are found to move clockwise and rotate counterclockwise, respectively. In addition, by using the Lyapunov analysis the coordinate of the dipole was confirmed to have chaos characteristics. |
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| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | ECG / Finite Element Method / Genetic Algorithm / ECG Inverse Problem / Lyapunov analysis / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 107, no. 267, NLP2007-89, pp. 53-58, Oct. 2007. | |
| Paper # | NLP2007-89 | |
| Date of Issue | 2007-10-12 (CAS, NLP) | |
| 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 | CAS2007-61 NLP2007-89 |
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| Conference Information | |
| Committee | CAS NLP |
| Conference Date | 2007-10-18 - 2007-10-19 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Musashi Institute of Technology |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | |
| Paper Information | |
| Registration To | NLP |
| Conference Code | 2007-10-CAS-NLP |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Chaos Analyses of Fluctuation in Heartbeats and the Inverse Problem of the Tquivalent Electric Dipole with Ecg Dynamics based on Finite Element Method |
| Sub Title (in English) | |
| Keyword(1) | ECG |
| Keyword(2) | Finite Element Method |
| Keyword(3) | Genetic Algorithm |
| Keyword(4) | ECG Inverse Problem |
| Keyword(5) | Lyapunov analysis |
| Keyword(6) | |
| Keyword(7) | |
| Keyword(8) | |
| 1st Author's Name | Katsuyuki Murakami |
| 1st Author's Affiliation | Nagaoka University of Technology (Nagaoka Univ. of Tech.) |
| 2nd Author's Name | Hideyuki Usui |
| 2nd Author's Affiliation | Corporation eTRUST (eTRUST) |
| 3rd Author's Name | Masahiro Nakagawa |
| 3rd Author's Affiliation | Nagaoka University of Technology (Nagaoka Univ. of Tech.) |
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| Speaker | Author-1 |
| Date Time | 2007-10-19 14:40:00 |
| Presentation Time | 20 minutes |
| Registration for | NLP |
| Paper # | CAS2007-61, NLP2007-89 |
| Volume (vol) | vol.107 |
| Number (no) | no.265(CAS), no.267(NLP) |
| Page | pp.53-58 |
| #Pages | 6 |
| Date of Issue | 2007-10-12 (CAS, NLP) |
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