Yang, Su, Hoque, Sanaul, Deravi, Farzin (2019) Improved time-frequency features and electrode placement for EEG-based biometric person recognition. IEEE Access, 7 . pp. 49604-49613. ISSN 2169-3536. (doi:10.1109/ACCESS.2019.2910752) (KAR id:73406)
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Official URL: http://dx.doi.org/10.1109/ACCESS.2019.2910752 |
Abstract
This work introduces a novel feature extraction method for biometric recognition using EEG data and provides an analysis of the impact of electrode placements on performance. The feature extraction method is based on the wavelet transform of the raw EEG signal. The logarithms of wavelet coefficients are further processed using the discrete cosine transform (DCT). The DCT coefficients from each wavelet band are used to form the feature vectors for classification. As an application in the biometrics scenario, the effectiveness of the electrode locations on person recognition is also investigated, and suggestions are made for electrode positioning to improve performance. The effectiveness of the proposed feature was investigated in both identification and verification scenarios. Identification results of 98.24% and 93.28% were obtained using the EEG Motor Movement/Imagery Dataset (MM/I) and the UCI EEG Database Dataset respectively, which compares favorably with other published reports while using a significantly smaller number of electrodes. The performance of the proposed system also showed substantial improvements in the verification scenario when compared with some similar systems from the published literature. A multi-session analysis is simulated using with eyes open and eyes closed recordings from the MM/I database. It is found that the proposed feature is less influenced by time separation between training and testing compared with a conventional feature based on power spectral analysis.
Item Type: | Article |
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DOI/Identification number: | 10.1109/ACCESS.2019.2910752 |
Uncontrolled keywords: | Biometrics, Feature Extraction, EEG |
Subjects: |
T Technology > TA Engineering (General). Civil engineering (General) > TA168 Systems engineering T Technology > TK Electrical engineering. Electronics. Nuclear engineering > TK7800 Electronics > TK7880 Applications of electronics > TK7882.B56 Biometric identification |
Divisions: | Divisions > Division of Computing, Engineering and Mathematical Sciences > School of Engineering and Digital Arts |
Depositing User: | Sanaul Hoque |
Date Deposited: | 08 Apr 2019 11:37 UTC |
Last Modified: | 04 Mar 2024 19:54 UTC |
Resource URI: | https://kar.kent.ac.uk/id/eprint/73406 (The current URI for this page, for reference purposes) |
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