Presentation 2019-11-08
Localization of Cardiac Source with Lead Field Matrix by Ensemble Learning
Tatsuhito Nakane, Takahiro Ito, Akimasa Hirata,
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Abstract(in Japanese) (See Japanese page)
Abstract(in English) An 12-lead electrocardiogram (ECG) were invented more than 100 years ago, and they are still used as an essential tool to detect early heart disease. However, the number of electrodes in a 12-lead ECG is limited to nine, and it is not easy to simply model the electric potential due to the inhomogeneity of the human body, which causes a large estimation error on source localization problems. In this paper, we propose a method to improve the estimation accuracy by applying ensemble learning to the lead field matrix (LFM)-based localization method for cardiac source estimation using 12-lead ECG. The LFM was constructed by solving a forward problem based on the scalar-potential finite-difference method, and the cardiac source was localized by the matching pursuit method by LFM as the estimation algorithm. As a result, the estimation error for a single lead field matrix is 9.3 mm, and the method that applied ensemble learning is 6.7 mm, demonstrating the effectiveness of the proposed method.
Keyword(in Japanese) (See Japanese page)
Keyword(in English) Electrocardiogram (ECG) / Scalar-potential finite-difference (SPFD) method / Lead field matrix / Matching pursuit / Ensemble learning
Paper # EMT2019-69
Date of Issue 2019-10-31 (EMT)

Conference Information
Committee EMT / IEE-EMT
Conference Date 2019/11/7(3days)
Place (in Japanese) (See Japanese page)
Place (in English) Hotel Syunkeiya
Topics (in Japanese) (See Japanese page)
Topics (in English) Electromagnetic Theory, etc.
Chair Koichi Hirayama(Kitami Inst. of Tech.) / Keiji Goto(National Defense Academy)
Vice Chair Hiroyuki Deguchi(Doshisha Univ.)
Secretary Hiroyuki Deguchi(Fukuoka Inst.of Tech.) / (Tokyo Metropolitan Univ.)
Assistant Junichiro Sugisaka(Kitami Inst. of Tech.) / Tsuyoshi Matsuoka(Kyushu Sangyo Univ.)

Paper Information
Registration To Technical Committee on Electromagnetic Theory / Technical Meeting on Electromagnetic Theory
Language JPN
Title (in Japanese) (See Japanese page)
Sub Title (in Japanese) (See Japanese page)
Title (in English) Localization of Cardiac Source with Lead Field Matrix by Ensemble Learning
Sub Title (in English)
Keyword(1) Electrocardiogram (ECG)
Keyword(2) Scalar-potential finite-difference (SPFD) method
Keyword(3) Lead field matrix
Keyword(4) Matching pursuit
Keyword(5) Ensemble learning
1st Author's Name Tatsuhito Nakane
1st Author's Affiliation Nagoya Institute of Technology(NITech)
2nd Author's Name Takahiro Ito
2nd Author's Affiliation Nagoya Institute of Technology(NITech)
3rd Author's Name Akimasa Hirata
3rd Author's Affiliation Nagoya Institute of Technology(NITech)
Date 2019-11-08
Paper # EMT2019-69
Volume (vol) vol.119
Number (no) EMT-272
Page pp.pp.213-216(EMT),
#Pages 4
Date of Issue 2019-10-31 (EMT)