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An optimum allocation sampling based feature extraction scheme for distinguishing seizure and seizure-free EEG signals

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Abstract

Epileptic seizure is the common neurological disorder, which is generally identified by electroencephalogram (EEG) signals. In this paper, a new feature extraction methodology based on optimum allocation sampling (OAS) and Teager energy operator (TEO) is proposed for detection of seizure EEG signals. The OAS scheme selects the finite length homogeneous sequence from non-homogeneous recorded EEG signal. The trend of selected sequence by OAS is still non-linear, which is analyzed by non-linear operator TEO. The TEO convert non-linear but homogenous EEG sequence into amplitude–frequency modulated (AM–FM) components. The statistical measures of AM–FM components used as input features to least squares support vector machine classifier for classification of seizure and seizure-free EEG signals. The proposed methodology is evaluated on a benchmark epileptic seizure EEG database. The experimental results demonstrate that the proposed scheme has capability to effectively distinguish seizure and seizure-free EEG signals.

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Authors and Affiliations

  1. PDPM Indian Institute of Information Technology, Design and Manufacturing Jabalpur, Jabalpur, 482005, India

    Sachin Taran & Varun Bajaj

  2. Centre for Applied Informatics, College of Engineering and Science, Victoria University, Melbourne, VIC, Australia

    Siuly Siuly

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  1. Sachin Taran
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  2. Varun Bajaj
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  3. Siuly Siuly
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Correspondence to Varun Bajaj.

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Taran, S., Bajaj, V. & Siuly, S. An optimum allocation sampling based feature extraction scheme for distinguishing seizure and seizure-free EEG signals. Health Inf Sci Syst 5, 7 (2017). https://doi.org/10.1007/s13755-017-0028-7

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