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A Prediction Approach for Multichannel EEG Signals Modeling Using Local Wavelet SVM | IEEE Journals & Magazine | IEEE Xplore

A Prediction Approach for Multichannel EEG Signals Modeling Using Local Wavelet SVM


Abstract:

Accurate modeling of the multichannel electroencephalogram (EEG) signal is an important issue in clinical practice. In this paper, we propose a new local spatiotemporal p...Show More

Abstract:

Accurate modeling of the multichannel electroencephalogram (EEG) signal is an important issue in clinical practice. In this paper, we propose a new local spatiotemporal prediction method based on support vector machines (SVMs). Combining with the local prediction method, the sequential minimal optimization (SMO) training algorithm, and the wavelet kernel function, a local SMO-wavelet SVM (WSVM) prediction model is developed to enhance the efficiency, effectiveness, and universal approximation capability of the prediction model. Both the spatiotemporal modeling from the measured time series and the details of the nonlinear modeling procedures are discussed. Simulations and experimental results with real EEG signals show that the proposed method is suitable for real signal processing and is effective in modeling the local spatiotemporal dynamics. This method greatly increases the computational speed and more effectively captures the local information of the signal.
Published in: IEEE Transactions on Instrumentation and Measurement ( Volume: 59, Issue: 5, May 2010)
Page(s): 1485 - 1492
Date of Publication: 25 February 2010

ISSN Information:


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