期刊
IEEE TRANSACTIONS ON INFORMATION FORENSICS AND SECURITY
卷 10, 期 1, 页码 16-27出版社
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/TIFS.2014.2361261
关键词
Authentication; electrocardiogram; emerging biometrics; identification; laser Doppler vibrometry (LDV); multibiometrics; time-frequency decomposition
资金
- Technical Support Working Group [W91CRB-04-C-0030]
The electrical signal originating from the heart, the electrocardiogram (ECG), has been examined for its potential use as a biometric. Recent ECG studies have shown that an intersession authentication performance <6% equal error rate (EER) can be achieved using training data from two days while testing with data from a third day. More recently, a mechanical measurement of cardiovascular activity, the laser Doppler vibrometry (LDV) signal, was proposed by our group as a biometric trait. The intersession authentication performance of the LDV biometric system is comparable to that of the ECG biometric system. Combining both the electrical and mechanical aspects of the cardiovascular system, an overall improvement in authentication performance can be attained. In particular, the multibiometric system achieves similar to 2% EER. Moreover, in the identification mode, with a testing database containing 200 individuals, the rank-1 accuracy improves from similar to 80% for each individual biometric system, to similar to 92% for the multibiometric system. Although there are implementation issues that would need to be resolved before this combined method could be applied in the field, this report establishes the basis and utility of the method in principle, and it identifies effective signal analysis approaches.
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