Biometric identification system using pulse waveform
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United States of America Patent
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Jul 8, 2014
Grant Date -
Oct 4, 2012
app pub date -
Apr 4, 2011
filing date -
Apr 4, 2011
priority date (Note) -
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Abstract
A method and system for biometric identity confirmation is based on the pulse wave of a subject. During an initial enrollment mode, pulse wave data for a known subject are used to generate subject characterization data for the known subject. During a subsequent operational mode, pulse wave data for a test subject are analyzed using the subject characterization data to confirm whether the identity of the test subject matches the known subject. The subject characterization data can be a probability density in a phase space in which at least two quasi-periodic variables based on the pulse wave (e.g., blood pressure and volume time-series data) are correlated.
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