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BIOMETRICS FOR RECOGNITION
Presentation Outlines
Traditional methods of security
Need for biometrics
Biometrics recognition techniques
How biometrics work
Applications
Why Biometrics
ATMs
Cellular phones
Smart cards
Desktop PCs
Workstations
Computer
networks
PINs and passwords may be forgotten,

Token-based identification methods such
as passports and driver’s licenses may be
forged, stolen, or lost.
WHAT IS BIOMETRICS
BIO-Physical or Behavioral

METRICS-To measure characteristics
Biometrics refers to the automatic
identification of a person based on his or
her physiological or behavioral
characteristics
Physical biometrics:
Fingerprint
Facial recognition/face location
Hand geometry
Iris scan
Retinal scan
Vascular patterns
Behavioral biometrics:

Speaker/voicerecognition:
Analyzing vocal behavior
Signature/handwriting:
Analyzing signature dynamics
Keystroke/patterning:
Measuring the time spacing of
typed words
Fingerprint recognition
A live acquisition of a person’s fingerprint.
Dots (very small ridges),
Space between two temporarily divergent ridges),
Spurs (a notch protruding from a ridge),
Bridges (small ridges joining two longer adjacent ridges), crossovers (two ridges that cross each other).