ECG to identify individuals

The electrocardiogram (ECG also called EKG) trace expresses cardiac features that are unique to an individual. The ECG processing followed a logical series of experiments with quantifiable metrics. Data filters were designed based upon the observed noise sources. Fiducial points were identified on t...

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Bibliographic Details
Published in:Pattern recognition 2005, Vol.38 (1), p.133-142
Main Authors: Israel, Steven A., Irvine, John M., Cheng, Andrew, Wiederhold, Mark D., Wiederhold, Brenda K.
Format: Article
Language:English
Subjects:
Biometrics
Classification
Discriminant analysis
Electrocardiogram (ECG)
Human identification
Stress invariance
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Description
Summary:The electrocardiogram (ECG also called EKG) trace expresses cardiac features that are unique to an individual. The ECG processing followed a logical series of experiments with quantifiable metrics. Data filters were designed based upon the observed noise sources. Fiducial points were identified on the filtered data and extracted digitally for each heartbeat. From the fiducial points, stable features were computed that characterize the uniqueness of an individual. The tests show that the extracted features are independent of sensor location, invariant to the individual's state of anxiety, and unique to an individual.
ISSN:0031-3203
1873-5142
DOI:10.1016/j.patcog.2004.05.014