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Biometrics Authentication Technology
• Something you know, like a password, PIN, or code.
• Something you have, like a swipe card, smart card, token, or key.
• Something you are, which is biometrics.
Three main types of authentication available today are:
What is a biometric?
Biometrics are automated methods of identifying a person or verifying the identity of a person based on a physiological or behavioural characteristic.
Most definitive, real-time tool available today.
Can be combined with other tools to form more secure, easier to use verification solutions.
Recognizes individuals definitively.
Characteristics
The common Physical characteristics are:
Fingerprint Face Retina Iris Vein pattern Hand and finger geometry
Characteristics
Behavioral characteristics are:
Keystroke dynamics
Voice
Gait
Signature dynamics
Biometrics Process
No
Yes
BiometricData Collection
TransmissionQuality
Sufficient?
Yes
Template Match
Signal Processing, Feature Extraction,
Representation
Database
Generate Template
DecisionConfidence?
new biometric sample is requested. No
Database
Fingerprint Recognition steps:
Face recognition process:
Database
Input face image
Extraction of face image
Extraction of face features
Positive
Negative
Iris Identification Steps:
Database
Input of face image
Detection of eye regions
Put iris in focusRecognition of
iris pattern
Accept
Reject
Vein Recognition System:
Database
Input of palm picture
The output picture
Generate veins structure
Match
Not match
the angle at which the pen is held,
the number of times the pen is lifted,
the time it takes to write the entire signature,
the pressure exerted by the person while signing,
the variations in the speed with which different parts of the signature are written.
Signature Verification Process
Biometric trait
13
Aadhaar
One-time standardized Aadhaar enrollment establishes uniqueness of resident via ‘biometric de-duplication’
• Only one Aadhaar number per eligible individual
Online Authentication is provided by UIDAI• Demographic Data (Name, Address, DOB, Gender)• Biometric Data (Fingerprint, Iris, Face)
Aadhaar :subject to online authentication is proof of ID
Aadhaar enrollment / Update = KYC
Aadhaar No. Issued, stored in Auth. Server
“Verification” of KYC (Authentication)
Applications Area of Biometric
Advantages of biometrics
Disadvantages of Biometrics
Conclusion