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|Title:||Complex-valued spatial filters for task discrimination|
Camilleri, Kenneth P.
|Publisher:||Institute of Electrical and Electronics Engineers Inc.|
|Citation:||Falzon, O., Camilleri, K. P., & Muscat, J. (2010, August). Complex-valued spatial filters for task discrimination. 32nd Annual International Conference of the IEEE Engineering in Medicine and Biology Society, Buenos Aires. 4707-4710.|
|Abstract:||The method of common spatial patterns (CSP) has been widely adopted for the discrimination of mental tasks using EEG data. In this paper, some limitations of the standard CSP implementation when considering data where phase relationships play a significant role are highlighted. Furthermore, a variant of the CSP method based on the analytic representation of signals is proposed to make up for these drawbacks. The advantages of the proposed method over the standard CSP implementation are demonstrated using simulated data and tests with real EEG data. Specifically, it is shown that the complex-valued spatial filters and the derived spatial patterns can improve the discrimination process and give a more adequate representation of the tasks being considered, respectively.|
|Description:||The research work disclosed in this publication is partially funded by Malta Government Scholarship Scheme grant number MGSS/2006/029.|
|Appears in Collections:||Scholarly Works - CenBC|
Scholarly Works - FacEngSCE
Scholarly Works - FacSciMat
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