Pattern Classification (2nd Edition)
Pattern Classification (2nd Edition)
Artificial Intelligence
Non-invasive brain-actuated control of a mobile robot
IJCAI'03 Proceedings of the 18th international joint conference on Artificial intelligence
Trial pruning based on genetic algorithm for single-trial EEG classification
Computers and Electrical Engineering
Robust learning of mixture models and its application on trial pruning for EEG signal analysis
PAKDD'11 Proceedings of the 15th international conference on New Frontiers in Applied Data Mining
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The on-line update of classifiers is an important concern for categorizing the time-varying neurophysiological signals used in brain computer interfaces, e.g. classification of electroencephalographic (EEG) signals. However, up to the present there is not much work dealing with this issue. In this paper, we propose to use the idea of gradient decorrelation to develop the existent basic Least Mean Square (LMS) algorithm for the on-line learning of Bayesian classifiers employed in brain computer interfaces. Under the framework of Gaussian mixture model, we give the detailed representation of Decorrelated Least Mean Square (DLMS) algorithm for updating Bayesian classifiers. Experimental results of off-line analysis for classification of real EEG signals show the superiority of the on-line Bayesian classifier using DLMS algorithm to that using LMS algorithm.