Abstract
Biometrics has been used in healthcare systems, banking and finance, energy systems, access control in computer centres, military, and homeland security such as e-passport, border crossing control, airport security, criminal identification, and fighting terrorists. Biometric technologies such as face, fingerprint and iris recognition, multi-biometrics, and their technology intelligence, applications, and advances were studied. 13 attributes of six biometric technologies including face, fingerprint, iris, voice, hand geometry and signature recognition, and false reject rates (FRR) and false accept rates (FAR) of the six biometric technologies were summarised and compared based on technology evaluation or scenario evaluation. Challenges and future research of biometrics were also discussed.
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