DocumentCode :
2369174
Title :
Single trial BCI operation via Wackermann parameters
Author :
Daly, Ian ; Williams, Nitin ; Nasuto, Slawomir J. ; Warwick, Kevin ; Saddy, Douglas
Author_Institution :
Univ. of Reading, Reading, UK
fYear :
2010
fDate :
Aug. 29 2010-Sept. 1 2010
Firstpage :
409
Lastpage :
414
Abstract :
Accurate single trial P300 classification lends itself to fast and accurate control of Brain Computer Interfaces (BCIs). Highly accurate classification of single trial P300 ERPs is achieved by characterizing the EEG via corresponding stationary and time-varying Wackermann parameters. Subsets of maximally discriminating parameters are then selected using the Network Clustering feature selection algorithm and classified with Naive-Bayes and Linear Discriminant Analysis classifiers. Hence the method is assessed on two different data-sets from BCI competitions and is shown to produce accuracies of between approximately 70% and 85%. This is promising for the use of Wackermann parameters as features in the classification of single-trial ERP responses.
Keywords :
Bayes methods; brain-computer interfaces; data analysis; electroencephalography; medical signal processing; neurophysiology; pattern classification; pattern clustering; time-varying systems; BCI; EEG; Naive-Bayes classifier; Wackermann parameter; brain computer interface; electroencephalography; event related potential; feature selection algorithm; linear discriminant analysis; network clustering; time-varying parameter; Accuracy; Classification algorithms; Eigenvalues and eigenfunctions; Electrodes; Electroencephalography; Feature extraction; Niobium; Brain Computer Interfaces; Network Clustering; Wackermann parameters; event-related potentials; single-trial classification;
fLanguage :
English
Publisher :
ieee
Conference_Titel :
Machine Learning for Signal Processing (MLSP), 2010 IEEE International Workshop on
Conference_Location :
Kittila
ISSN :
1551-2541
Print_ISBN :
978-1-4244-7875-0
Electronic_ISBN :
1551-2541
Type :
conf
DOI :
10.1109/MLSP.2010.5588992
Filename :
5588992
Link To Document :
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