Journal
ENTROPY
Volume 18, Issue 12, Pages -Publisher
MDPI
DOI: 10.3390/e18120432
Keywords
electroencephalography (EEG); authentication; fuzzy entropy; frontal; Fisher distance
Categories
Funding
- Department of Science and Technology, Jiangxi Province [20151BBE50079, 20142BAB207008]
- Project of Department of Education, Jiangxi Province [GJJ151146]
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Person authentication, based on electroencephalography (EEG) signals, is one of the directions possible in the study of EEG signals. In this paper, a method for the selection of EEG electrodes and features in a discriminative manner is proposed. Given that EEG signals are unstable and non-linear, a non-linear analysis method, i.e., fuzzy entropy, is more appropriate. In this paper, unlike other methods using different signal sources and patterns, such as rest state and motor imagery, a novel paradigm using the stimuli of self-photos and non-self-photos is introduced. Ten subjects are selected to take part in this experiment, and fuzzy entropy is used as a feature to select the minimum number of electrodes that identifies individuals. The experimental results show that the proposed method can make use of two electrodes (FP1 and FP2) in the frontal area, while the classification accuracy is greater than 87.3%. The proposed biometric system, based on EEG signals, can provide each subject with a unique key and is capable of human recognition.
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