Visible to the public Electroencephalogram Based Biometrics: A Fractional Fourier Transform Approach

TitleElectroencephalogram Based Biometrics: A Fractional Fourier Transform Approach
Publication TypeConference Paper
Year of Publication2018
AuthorsKeshishzadeh, Sarineh, Fallah, Ali, Rashidi, Saeid
Conference NameProceedings of the 2018 2Nd International Conference on Biometric Engineering and Applications
PublisherACM
ISBN Number978-1-4503-6394-5
Keywordsbiometrics, channel selection, classification, fractional fourier transform, Metrics, pubcrawl, resilience, Resiliency, Scalability, security, Time Frequency Analysis, verification
AbstractThe non-stationary nature of the human Electroencephalogram (EEG) has caused problems in EEG based biometrics. Stationary signals analysis is done simply with Discrete Fourier Transform (DFT), while it is not possible to analyze non-stationary signals with DFT, as it does not have the ability to show the occurrence time of different frequency components. The Fractional Fourier Transform (FrFT), as a generalization of Fourier Transform (FT), has the ability to exhibit the variable frequency nature of non-stationary signals. In this paper, Discrete Fractional Fourier Transform (DFrFT) with different fractional orders is proposed as a novel feature extraction technique for EEG based human verification with different number of channels. The proposed method in its' best performance achieved 0.22% Equal Error Rate (EER) with three EEG channels of 104 subjects.
DOI10.1145/3230820.3230821
Citation Keykeshishzadeh_electroencephalogram_2018