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Variational mode decomposition and binary grey wolf optimization-based automated epilepsy seizure classification framework

  • Vipin Prakash Yadav EMAIL logo and Kamlesh Kumar Sharma
Published/Copyright: December 30, 2022

Abstract

This work proposes a variational mode decomposition (VMD) and binary grey wolf optimization (BGWO) based seizure classification framework. VMD decomposes the EEG signal into band-limited intrinsic mode function (BL-IMFs) non-recursively. The frequency domain, time domain, and information theory-based features are extracted from the BL-IMFs. Further, an optimal feature subset is selected using BGWO. Finally, the selected features were utilized for classification using six different supervised machine learning algorithms. The proposed framework has been validated experimentally by 58 test cases from the CHB-MIT scalp EEG and the Bonn University database. The proposed framework performance is quantified by average sensitivity, specificity, and accuracy. The selected features, along with Bayesian regularized shallow neural networks (BR-SNNs), resulted in maximum accuracy of 99.53 and 99.64 for 1 and 2 s epochs, respectively, for database 1. The proposed framework has achieved 99.79 and 99.84 accuracy for 1 and 2 s epochs, respectively, for database 2.


Corresponding author: Vipin Prakash Yadav, Department of Electronics & Communication Engineering, Malaviya National Institute of Technology, Jaipur, Rajasthan, 302017, India; and Department of Electronics and Telecommunication, School of Electrical Engineering, MIT Academy of Engineering, Pune, Maharashtra, 412105, India, E-mail:

Acknowledgment

This research was supported in part by TEQIP-III project PhD scheme under National Project Implementation Unit (NPIU), MHRD Government of India and World Bank.

  1. Research funding: None declared.

  2. Author contributions: Vipin Prakash Yadav: Conceptualization, Methodology, Investigation, Software, Writing – review & editing. Kamlesh Kumar Sharma: Supervision.

  3. Conflict of interest: Authors state no conflict of interest.

  4. Informed consent: Not applicable.

  5. Ethical approval: Not applicable.

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Received: 2022-03-07
Accepted: 2022-12-12
Published Online: 2022-12-30
Published in Print: 2023-04-25

© 2022 Walter de Gruyter GmbH, Berlin/Boston

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