Leave-one-out authentication of persons using 40 Hz EEG oscillations


Ravi, , KVR and Palaniappan, , R (2005) Leave-one-out authentication of persons using 40 Hz EEG oscillations. Eurocon 2005: The International Conference on Computer as a Tool, Vol 1 and 2 , Proceedings. pp. 1386-1389.

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It has been shown previously that recognizing persons using 40 Hz electroencephalogram (EEG) oscillations is possible. In the method, features were computed from the Visual Evoked Potential (VEP) signals recorded from 61 electrodes while subjects perceived a picture. Here, two modifications have been proposed to improve the classification performance: Principal Component Analysis (PCA) to reduce the noise and background EEG effects from the VEP signals and normalization. Two classifiers were used: Simplified Fuzzy ARTMAP (SFA), and k-Nearest Neighbor (kNN). The experimental results using 800 VEP signals from 20 subjects with leave-one-out cross validation strategy showed that PCA and normalization improved the classification performance for both the classifiers. The best classification performance of 95.25% obtained using the improved method shows that 40 Hz EEG oscillations are suitable for use as biometrics.

Item Type: Article
Subjects: Q Science > QA Mathematics > QA71-90 Instruments and machines > QA75.5-76.95 Electronic computers. Computer science
Divisions: Faculty of Information Science and Technology (FIST)
Depositing User: Ms Rosnani Abd Wahab
Date Deposited: 24 Aug 2011 01:56
Last Modified: 24 Aug 2011 01:56
URII: http://shdl.mmu.edu.my/id/eprint/2328


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