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Physiological or Behavioral

Verification vs. Identification


Biometrics Technologies

How it works


Are Biometric Systems Difficult to Use?

Security of Biometrics           Template

What Factors Cause Biometric Systems to Fail?

Application design



Biometrics Technologies


The primary biometric disciplines include the following:

  • Fingerprint (optical, silicon, ultrasound, touch less)

  • Facial recognition (optical and thermal)

  • Voice recognition (not to be confused with speech recognition)

  • Iris-scan

  • Retina-scan

  • Hand geometry

  • Signature-scan

  • Keystroke-scan

  • Palm-scan (forensic use only)  

Disciplines with reduced commercial viability or in exploratory stages include:

  • DNA

  • Ear shape

  • Odor (human scent)

  • Vein-scan (in back of hand or beneath palm)

  • Finger geometry (shape and structure of finger or fingers)

  • Nailbed identification (ridges in fingernails)

  • Gait recognition (manner of walking)

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