Electrocardiogram (ECG) biometric authentication using pulse active ratio (PAR)

Sairul Izwan Bin Safie, John Soraghan, Lykourgos Petropoulakis

Research output: Contribution to journalArticle

73 Citations (Scopus)


This paper presents a new feature extraction method known as Pulse Active Ratio (PAR) implemented on electrocardiograph (ECG) signals for biometric authentication. This method is developed based on a simple amplitude comparison between two signals to extract a feature. A total of 486 ECGs from 113 subjects taken from the Physikalisch-Technische Bundesanstalt (PTB) database are used in this study. Biometric performance profile such as the area under ROC (AUR) and equal error rate (EER) are then used to evaluate the results. It is shown in this study that PAR outperformed conventional temporal feature extraction techniques.
Original languageEnglish
Pages (from-to)1315 - 1322
Number of pages8
JournalIEEE Transactions on Information, Forensics, and Security
Issue number4
Early online date18 Nov 2011
Publication statusPublished - 1 Dec 2011


  • biometric authentification
  • pulse active ratio

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