title: Different classification techniques considering brain computer interface applications.
abstract: In this work the application of different machine learning techniques for classification of mental tasks from electroencephalograph (EEG) signals is investigated. The main application for this research is the improvement of brain computer interface (BCI) systems. For this purpose, Bayesian graphical network, neural network, Bayesian quadratic, Fisher linear and hidden Markov model classifiers are applied to two known EEG datasets in the BCI field. The Bayesian network classifier is used for the first time in this work for classification of EEG signals. The Bayesian network appeared to have a significant accuracy and more consistent classification compared to the other four methods. In addition to classical correct classification accuracy criteria, the mutual information is also used to compare the classification results with other BCI groups.
authors.affiliation: Computer Science, University of Northern British Columbia, Prince George, BC, Canada.
authors.forename: Siamak
authors.initials: S
authors.lastname: Rezaei
authors.forename: Kouhyar
authors.initials: K
authors.lastname: Tavakolian
authors.forename: Ali Moti
authors.initials: AM
authors.lastname: Nasrabadi
authors.forename: S Kamaledin
authors.initials: SK
authors.lastname: Setarehdan
mesh_terms: D000465:Algorithms; D001185:Artificial Intelligence; D001921:Brain / Q000502:physiology*; D003143:Communication Devices for People with Disabilities; D003936:Diagnosis, Computer-Assisted / Q000379:methods*; D004569:Electroencephalography / Q000379:methods*; D005071:Evoked Potentials / Q000502:physiology*; D006801:Humans; D010363:Pattern Recognition, Automated / Q000379:methods*; D014584:User-Computer Interface