基于最小偶極子數(shù)解的腦磁定位方法

霍小林; 樓正國; 李軍; 汪元美

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基于最小偶極子數(shù)解的腦磁定位方法

霍小林, 樓正國, 李軍, 汪元美

文章導航 > 電子與信息學報 > 2001 > 23(10): 937-942

霍小林, 樓正國, 李軍, 汪元美. 基于最小偶極子數(shù)解的腦磁定位方法[J]. 電子與信息學報, 2001, 23(10): 937-942.

引用本文:

霍小林, 樓正國, 李軍, 汪元美. 基于最小偶極子數(shù)解的腦磁定位方法[J]. 電子與信息學報, 2001, 23(10): 937-942.

Huo Xiaolin, Lou Zhengguo, Li Jun, Wang Yuanmei. A METHOD OF LOCALIZATION OF MEG BASED ON THE MINIMUM-DIPOLE SOLUTIONS[J]. Journal of Electronics & Information Technology, 2001, 23(10): 937-942.

Citation:

Huo Xiaolin, Lou Zhengguo, Li Jun, Wang Yuanmei. A METHOD OF LOCALIZATION OF MEG BASED ON THE MINIMUM-DIPOLE SOLUTIONS[J]. Journal of Electronics & Information Technology, 2001, 23(10): 937-942.

霍小林, 樓正國, 李軍, 汪元美. 基于最小偶極子數(shù)解的腦磁定位方法[J]. 電子與信息學報, 2001, 23(10): 937-942.

引用本文:

霍小林, 樓正國, 李軍, 汪元美. 基于最小偶極子數(shù)解的腦磁定位方法[J]. 電子與信息學報, 2001, 23(10): 937-942.

Huo Xiaolin, Lou Zhengguo, Li Jun, Wang Yuanmei. A METHOD OF LOCALIZATION OF MEG BASED ON THE MINIMUM-DIPOLE SOLUTIONS[J]. Journal of Electronics & Information Technology, 2001, 23(10): 937-942.

Citation:

Huo Xiaolin, Lou Zhengguo, Li Jun, Wang Yuanmei. A METHOD OF LOCALIZATION OF MEG BASED ON THE MINIMUM-DIPOLE SOLUTIONS[J]. Journal of Electronics & Information Technology, 2001, 23(10): 937-942.

基于最小偶極子數(shù)解的腦磁定位方法

計量
- 文章訪問數(shù): 2040
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- 被引次數(shù): 0
出版歷程
- 收稿日期: 1999-10-15
- 修回日期: 2000-04-07
- 刊出日期: 2001-10-19

A METHOD OF LOCALIZATION OF MEG BASED ON THE MINIMUM-DIPOLE SOLUTIONS

摘要

摘要: 多偶極子定位是腦磁逆問題研究中的難點問題。本文基于最小偶極子數(shù)解,研究了一種多偶極子的腦磁源定位方法。以改進的模擬退火算法為優(yōu)化策略,進行了仿真計算。結果表明,該方法可以達到多偶極子的定位目的,為多偶極子的源定位提供了有效途徑。
- 腦磁圖（MEG）; 逆問題; 模擬退火; 全局優(yōu)化
Abstract: The localization of multiple current dipoles is a difficult problem for the inverse study of MEG. A method of localization of multiple current dipoles based on the minimum-dipole number solutions is investigated. The revised simulated annealing algorithm as the optimization strategy is used in the simulation experiment. The result shows that the method is efficient to the localization of multiple current dipoles.

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參考文獻(1)

Matti Hamalaien, et al., Magnetoencephalography-Theory, instrumentation, and applications to noninvasive studies of the working human brain. Rev. Mod. Phys, 1993, 65(2), 413-497.[2]B. N. Cuffin, Biomagnetism: Applications and Theory, H. Weinberg, G. Stroink, T. Katila, Eds New York, Pergamon, 1985, 9-18.[3]Jukka Sarvas, Basic mathematical and electromagnetic concepts of the biomagnetic inverse problem, Phys. Med. Biol, 1987, 32(1), 11-22.[4]Kensuke Sekihara, Maximum-likelihood estimation of current-dipole parameters for data obtained using multichannel magnetometer, IEEE Trans. on Biomed. Eng., 1992, 39(6), 558-561.[5]Kensuke Sekihara, Details of simulated annealing algorithm to estimate parameters of multiple current dipoles using biomagnetic data, IEEE Trans. on Med. Imaging, 1992, 11(2), 293 299.[6]Hideaki Haneishi, et al., Multiple current dipole estimation using simulated annealing, IEEE Trans. on Biomed. Eng, 1994, 41(11), 1004-1009.[7]S. Kirkpatrick, et al., Optimization by simulated annealing.[J]. Science.1983,220:671-[8]康立山等.非數(shù)值并行算法(第一冊),北京,科學出版社,1997,169-192.[9]楊若黎等,一種高效的模擬退火全局優(yōu)化算法,系統(tǒng)工程與實踐,1997,33(5),29-35.

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