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Automatic identification of epileptic seizure signal using optimized added kernel support vector machine (OAKSVM)

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Abstract

In this work, empirical mode decomposition (EMD)-based optimized added kernel least square support vector machine (OAKLSSVM) hybridized model is proposed for automatic identification of epileptic electroencephalogram (EEG) signals where the kernel parameters are being optimized using water cycle algorithm (WCA). The proposed model with EMD decomposition and WCA optimization together is known as EMD-OAKLSSVM-WCA. Here, two kernel functions i.e., radial basis function and wavelet kernel functions are deployed together to form the added kernel framework. From EMD, intrinsic mode functions (IMFs) are obtained where Hilbert transform (HT) is used to obtain analytic form of IMFs. For classifying seizure and non-seizure EEG signals, the frequency modulation bandwidth and amplitude modulation bandwidth parameters are obtained from the analytical IMFs and are used as features for the OAKLSSVM model. The experimental results validate the efficiency of the proposed model which provides better classification accuracy (99.33%) as compared to different promising classifiers and some state-of-the-art models.

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Authors and Affiliations

  1. Department of Electronics and Communication Engineering, ITER, Siksha O Anusandhan Deemed To Be University, Bhubaneswar, Odisha, India

    Debashisa Samal

  2. Multidisciplinary Research Cell, Siksha O Anusandhan Deemed To Be University, Bhubaneswar, Odisha, India

    P. K. Dash & Ranjeeta Bisoi

Authors
  1. Debashisa Samal
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  2. P. K. Dash
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  3. Ranjeeta Bisoi
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Correspondence to P. K. Dash.

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Samal, D., Dash, P.K. & Bisoi, R. Automatic identification of epileptic seizure signal using optimized added kernel support vector machine (OAKSVM). Neural Comput & Applic 33, 9109–9123 (2021). https://doi.org/10.1007/s00521-020-05675-z

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