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BCI competition 2003-data set IV:An algorithm based on CSSD and FDA for classifying single-trial EEG

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6 Author(s)
Yijun Wang ; Dept. of Biomed. Eng., Tsinghua Univ., Beijing, China ; Zhiguang Zhang ; Yong Li ; Xiaorong Gao
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This paper presents an algorithm for classifying single-trial electroencephalogram (EEG) during the preparation of self-paced tapping. It combines common spatial subspace decomposition with Fisher discriminant analysis to extract features from multichannel EEG. Three features are obtained based on Bereitschaftspotential and event-related desynchronization. Finally, a perceptron neural network is trained as the classifier. This algorithm was applied to the data set of "BCI Competition 2003" with a classification accuracy of 84% on the test set.

Published in:
Biomedical Engineering, IEEE Transactions on  (Volume:51 ,  Issue: 6 )

Date of Publication: June 2004

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