Abstract
Method for extracting the specified rhythms of clinical electroencephalogram (EEG) is proposed using the wavelet packet decomposition. Based on the ability of accurately resolving the signal into desired time-frequency components, EEG signals are preprocessed and decomposed into a series of rhythms for many clinical applications. Specified dynamic EEG rhythms can be accurately filtered with designed wavelet structure. In addition, we present a wavelet packet entropy method for processing of EEG signal. Both relative wavelet packet energy and wavelet packet entropy are presented as the quantitative parameter to measure the complexity of the EEG signal. Several experiments with real EEG signals are carried out to show that the proposed method excels the common discrete wavelet decomposition. The presented procedure can isolate specific EEG rhythms accurately and is also regarded as an efficient method for analyzing non-stationary signals in practice.
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Sun, L., Chang, G., Beadle, P.J. (2007). Multiresolution of Clinical EEG Recordings Based on Wavelet Packet Analysis. In: Liu, D., Fei, S., Hou, Z., Zhang, H., Sun, C. (eds) Advances in Neural Networks – ISNN 2007. ISNN 2007. Lecture Notes in Computer Science, vol 4492. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-540-72393-6_138
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DOI: https://doi.org/10.1007/978-3-540-72393-6_138
Publisher Name: Springer, Berlin, Heidelberg
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