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Geometric subspace methods and time-delay embedding for EEG artifact removal and classification

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5 Author(s)
Anderson, C.W. ; Dept. of Comput. Sci., Colorado State Univ., Fort Collins, CO, USA ; Knight, J.N. ; O'Connor, T. ; Kirby, M.J.
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Generalized singular-value decomposition is used to separate multichannel electroencephalogram (EEG) into components found by optimizing a signal-to-noise quotient. These components are used to filter out artifacts. Short-time principal components analysis of time-delay embedded EEG is used to represent windowed EEG data to classify EEG according to which mental task is being performed. Examples are presented of the filtering of various artifacts and results are shown of classification of EEG from five mental tasks using committees of decision trees.

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Neural Systems and Rehabilitation Engineering, IEEE Transactions on  (Volume:14 ,  Issue: 2 )