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Comparison of four classification methods for brain-computer interface
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SYSNO ASEP 0359738 Document Type J - Journal Article R&D Document Type Journal Article Subsidiary J Článek ve WOS Title Comparison of four classification methods for brain-computer interface Author(s) Frolov, A. (RU)
Húsek, Dušan (UIVT-O) RID, SAI, ORCID
Bobrov, P. (RU)Source Title Neural Network World. - : Ústav informatiky AV ČR, v. v. i. - ISSN 1210-0552
Roč. 21, č. 2 (2011), s. 101-115Number of pages 15 s. Language eng - English Country CZ - Czech Republic Keywords brain computer interface ; motor imagery ; visual imagery ; EEG pattern classification ; Bayesian classification ; Common Spatial Patterns ; Common Tensor Discriminant Analysis Subject RIV IN - Informatics, Computer Science R&D Projects 1M0567 GA MŠMT - Ministry of Education, Youth and Sports (MEYS) GA201/05/0079 GA ČR - Czech Science Foundation (CSF) GAP202/10/0262 GA ČR - Czech Science Foundation (CSF) CEZ AV0Z10300504 - UIVT-O (2005-2011) UT WOS 000290838300001 EID SCOPUS 79957872178 DOI 10.14311/NNW.2011.21.007 Annotation Four classifiers effectiveness, for Brain Computer Interface (BCI) based on multichannel EEG with aim to distinguish EEG patterns corresponding to performance of several mental tasks, is compared. Basic Bayesian classifier (BC) exploits only inter-channel covariance matrices. The second one based on Bayesian approach exploits inter-channel covariance matrices estimated separately for several frequency bands (Multiband Bayesian Classifier, MBBC). The third one based on Multiclass Common Spatial Patterns (MSCP) method exploits only inter-channel covariance matrices as BC. The fourth one based on Common Tensor Discriminant Analysis (CTDA) takes EEG frequency structure into account. The MBBC and CTDA classifiers perform significantly better than the two other methods. Classifiers computational complexity analysis shows that an increase in the classifying quality is always accompanied by a significant increase of computational complexity. Workplace Institute of Computer Science Contact Tereza Šírová, sirova@cs.cas.cz, Tel.: 266 053 800 Year of Publishing 2012
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