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A comparative study of global optimization approaches to MEG source localization
Jiang, TZ; Luo, A; Li, XD; Kruggel, F
AbstractIt is well-known that the problem of MEG source localization can be cast as an optimization problem. So far, there have been many works in which various optimization methods were adopted for source localization. In this paper, we compare the performance of three typical and widely used optimization techniques for a specific MEG source localization problem. We first introduce a hybrid algorithm by combining genetic and local search strategies to overcome disadvantages of conventional genetic algorithms. Second, we apply the tabu search, a widely used optimization method in combinational optimization and discrete mathematics, to source localization. To the best of our knowledge, this is the first attempt in the literature to apply tabu search to MEG/EEG source localization. Third, in order to further compare the performance of the above algorithms, simulated annealing is also applied to MEG source localization problem. The computer simulation results show that our local genetic algorithm is the most effective approach to dipole localization, and the tabu search method is also a very good strategy for this problem.
KeywordMagnetoencephalogram (Meg) Dipoles Global Optimization Generic Algorithms Simulated Annealing Tabu Search
WOS HeadingsScience & Technology ; Physical Sciences
Indexed BySCI
WOS Research AreaMathematics
WOS SubjectMathematics, Applied
WOS IDWOS:000182107400004
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Document Type期刊论文
Affiliation1.Chinese Acad Sci, Inst automat, Natl Lab Pattern Recognit, Beijing 100080, Peoples R China
2.Max Planck Inst Cognit Neurosci, D-04103 Leipzig, Germany
Recommended Citation
GB/T 7714
Jiang, TZ,Luo, A,Li, XD,et al. A comparative study of global optimization approaches to MEG source localization[J]. INTERNATIONAL JOURNAL OF COMPUTER MATHEMATICS,2003,80(3):305-324.
APA Jiang, TZ,Luo, A,Li, XD,&Kruggel, F.(2003).A comparative study of global optimization approaches to MEG source localization.INTERNATIONAL JOURNAL OF COMPUTER MATHEMATICS,80(3),305-324.
MLA Jiang, TZ,et al."A comparative study of global optimization approaches to MEG source localization".INTERNATIONAL JOURNAL OF COMPUTER MATHEMATICS 80.3(2003):305-324.
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