Kernel based Hidden Markov Model with Applications to EEG Signal Classification

W. Xu, J. Wu, Z. Huang, and C. Guan (Singapore)

Keywords

Kernel method, Hidden Markov Model, EEG classification

Abstract

To enhance the performance of hidden Markov models for EEG signal classification, we present here a new model re ferred to as kernel based hidden Markov model (KHMM). Due to the embedded HMM structure, this model is capa ble of capturing well the temporal change of a time-series signal. Furthermore, KHMM has better discrimination and generalization capability inherited from kernel methods. We evaluate the kernel based hidden Markov model by ap plying it to EEG signal classification when motor imagery is performed, yielding positive experimental results.

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