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15th International Conference on Pattern Recognition (ICPR'00) - Volume 2
Evaluating the Performance of Three Feature Sets for Brain-Computer Interfaces with an Early Stopping MLP Committee
Barcelona, Spain
September 03-September 08
ISBN: 0-7695-0750-6
Markus Varsta, Helsinki University of Technology
Jukka Heikkonen, Helsinki University of Technology
José del R. Millán, Joint Research Centre of the EC
Josep Mouriño, Joint Research Centre of the EC
We present preliminary classification results for a real time brain-computer interface. Our approach seeks to build individual brain interfaces rather than universal ones. This means that the interface should adapt to its owner, as it will incorporate a neural classifier that learns user-specific features. Three feature sets extracted with Fourier trans-form, autoregressive models and wavelets were evaluated with early stopping MLP committee. The goal was to classify EEG patterns related to imagined hand movements and relaxes. The best results were obtained with the autoregressive spectral features. The results so far are not satisfactory for their intended use as basis for robust EEG classification but they give us valuable basis for future work.
Citation:
Markus Varsta, Jukka Heikkonen, José del R. Millán, Josep Mouriño, "Evaluating the Performance of Three Feature Sets for Brain-Computer Interfaces with an Early Stopping MLP Committee," icpr, vol. 2, pp.2907, 15th International Conference on Pattern Recognition (ICPR'00) - Volume 2, 2000
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