BIOMETRICS?

BIOMETRICS refers to the automatic identification of a person based on his or her physiological or behavioral characteristics

BIOMETRIC RELATED TERMS

RECOGNITION IDENTIFICATION VERIFICATION

BIOMETRIC CHARACTERISTICS

PHYSIOLOGICALBEHAVIORAL

PHYSIOLOGICAL BIOMETRICS

FingerprintFacial recognition/face locationHand geometryIris scanRetina scan

FINGERPRINT RECOGNITIONA live acquisition of a persons fingerprintDots(very small ridges)Space between two temporarily divergent ridgesSpurs(a notch protruding from a ridge Bridges(small ridges joining two longer adjacent ridges ), crossovers(two ridges that crossover each other)

FACIAL RECOGNITION

Capture imageFind face in imageExtract features(store template)Compare templatesDeclare matches

HAND GEOMETRYHand or finger geometry is an measurement of many dimensions of the hand or fingers

IRIS RECOGNITIONIris scanning measures the iris pattern in the colored part of the eye

RETINA RECOGNITION

Images back of the eye and compares blood vessels with existing color

BEHAVIORAL BIOMETRICS

Speaker/voice recognitionSignature/hand writingKey stroke/patterning

SPEAKER/VOICE RECOGNITION

Voice/speaker recognition uses vocal characteristics to identify individuals using a pass-phrase

A telephone or microphone can be used as a sensor

SIGNATURE VERIFICATION

An automated method of measuring an individuals signature

This technique examines speed, direction and pressure of writing, the time that the styles is in and out of contact with the “paper”

KEYSTROKE DYNAMICSKEYSROKE DYNMAICS is an method of examining an individuals keystrokes on a keyboard

This technology examines such dynamics as speed and pressure, the total time taken to type particular words and the time elapsed between hitting certain keys

APPLICATIONSPrevent unauthorized access to ATMs, cellular phones and desktop PCs etc.,

Criminal identification

In automobiles biometrics can replace keys with key less entry devices

Airport security