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

Minfen Shen, Lanxin Lin, Jialiang Chen, C.Q. Chang
2010 IEEE Transactions on Instrumentation and Measurement  
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
more » ... pability 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. Index Terms-Electroencephalogram (EEG) signal, local prediction method, support vector machine (SVM), wavelet kernel. . His research interests include random signal processing, computational intelligence, biomedical signal analysis, nonlinear signal and image processing, and chaos. Lanxin Lin received the M.S. degree in signal and information processing from the
doi:10.1109/tim.2010.2040905 fatcat:lkcwzqm32nd3rcoqpoqgw3niau