What is most common biometrics? Explain in brief.

The most common biometrics is as given below:

Face geometry (Photo): The computer captures the picture of your face and matches this with a pre-sorted picture.

Fingerprints (Finger-scan): When a user needs access, matching fingerprint against a template having authorized person’s fingerprints.

Hand Geometry: As fingerprints except the verifier utilizes a TV as camera to capture the picture of the user’s hand.

Blood vessel pattern within the retina of eye of person: A match is completed among the pattern of the blood vessels into retina which is being scanned and pre-stored picture of retina.

Voice (i.e., Voice Print): A match in between user’s voice and voice pattern stored onto templates.

Signature: It is matched against the prestored authentication signature.

Keystroke Dynamics: This is match of person’s keyboard pressure and also speed against prestored information.

Others: As thermography, by using a PIN and iris scan.