biometric by mohan sundar
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BIOMETRICSBIOMETRICSByBy
MohanaMohana SundarSundar JJ
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BIOMETRICSBIOMETRICS
Forget passwords ...Forget passwords ...
Forget pin numbers ...Forget pin numbers ...
Forget all your security concerns ...Forget all your security concerns ...
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BIOMETRICSBIOMETRICS
IntroductionIntroduction
General systemGeneral system
Finger PrintFinger PrintIrisIris
Performance & ApplicationPerformance & Application
ConclusionConclusion
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WHAT IS BIOMETRICSWHAT IS BIOMETRICS??
Automated methodAutomated method
Pattern recognition systemPattern recognition system
Specific physiological or behavioralSpecific physiological or behavioral
characteristicscharacteristics
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WHY USE IT?WHY USE IT?
Traditional methods involving passwordsTraditional methods involving passwords
and PIN numbersand PIN numbers
Biometrics highest level of securityBiometrics highest level of security
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CHARACTERISTICS USEDCHARACTERISTICS USED
FingerprintsFingerprints
VoiceprintsVoiceprints Facial featuresFacial features
Writing patternsWriting patterns
Iris patternsIris patterns Hand geometryHand geometry
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BIOMETRIC SYSTEMBIOMETRIC SYSTEM
Data CollectionData Collection
TransmissionTransmission
Signal ProcessingSignal Processing Data StorageData Storage
DecisionDecision
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BIOMETRIC SYSTEMBIOMETRIC SYSTEM
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The hardware captures the salient humanThe hardware captures the salient human
characteristiccharacteristic
The software interprets the resulting data andThe software interprets the resulting data and
determines acceptability.determines acceptability.
HOW ITWORKSHOW ITWORKS
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FINGER PRINTFINGER PRINT
Oldest form of BiometricsOldest form of Biometrics
Highly ReliableHighly Reliable
Uses distinctive features of fingersUses distinctive features of fingers
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FINGERPRINTFINGERPRINT
FingerFinger--scan biometrics is based on thescan biometrics is based on the
distinctive characteristics of the humandistinctive characteristics of the human
fingerprintfingerprint
A fingerprint image is read from a captureA fingerprint image is read from a capturedevicedevice
Features are extracted from the imageFeatures are extracted from the image
A template is created for comparisonA template is created for comparison
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FINGER PRINT RECOGNITIONFINGER PRINT RECOGNITION
Global featuresGlobal features
Local featuresLocal features
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Pattern Area
Core Point
Delta
Line types
Ridge Count
Ridge Patterns
GLOBAL FEATURES
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BASIC RIDGE PATTERNS
Loop
Arch
Whorl
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LOOP, ARCH AND WHORL
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STAGES
Fingerprint Scanning
Fingerprint Matching
Identification
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FINGERPRINT SCANNING
Its the acquisition and recognition of a
persons fingerprint characteristics foridentification purposes
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IMAGE CAPTUREIMAGE CAPTURE
OpticalOptical
ThermalThermal
CapacitanceCapacitanceUltra SoundUltra Sound
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IMAGE ACQUISITONIMAGE ACQUISITON
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MINUTIA MATCHING
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BRIDGE CODEBRIDGE CODE
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SPUR CODESPUR CODE
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PROCESSPROCESS
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PROCESSPROCESS
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FINGERPRINT PC LOCK
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FINGERPRINT DOOR LOCK
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IRIS RECOGINITIONIRIS RECOGINITION
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IRIS RECOGNITIONIRIS RECOGNITION
Pattern recognition techniquePattern recognition technique
Identification by mathematical analysis ofIdentification by mathematical analysis ofthe random patterns.the random patterns.
Based upon the qualities of the IrisBased upon the qualities of the Iris
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Iris is a protected internal organ whoseIris is a protected internal organ whose
random texture is stable throughout liferandom texture is stable throughout life
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IRIS PROPERTIESIRIS PROPERTIES
High degree of RandomnessHigh degree of Randomness
No two Iris are alikeNo two Iris are alike
Stable in a persons lifeStable in a persons life
Doesn't vary with changesDoesn't vary with changes
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IRIS SCANIRIS SCAN
Camera at close proximityCamera at close proximity
Captures photographCaptures photograph
Uses Infra red light to illuminateUses Infra red light to illuminate
High resolution photographHigh resolution photograph
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IRIS SCAN IMAGEIRIS SCAN IMAGE
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IRIS CODEIRIS CODE
Localization of inner and outer boundariesLocalization of inner and outer boundaries
Pattern of 512 bytesPattern of 512 bytes
Complete and Compact descriptionComplete and Compact descriptionMore complete than features of DNAMore complete than features of DNA
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IRIS SYTEMIRIS SYTEM
Pre
processingFeature-
extraction
Identification
Verification
Stored
templates
Uniform
distribution
Reject
AcceptIris scan image
capture Irislocalization Iris code comparison
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IRIS RECOGNITIONIRIS RECOGNITION
Database of millions of recordsDatabase of millions of records
Iris code generated is comparedIris code generated is compared
Searching algorithm based on PropertiesSearching algorithm based on Properties
of Irisof Iris
Order of a few secondsOrder of a few seconds
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AVIATIONAVIATION IRIS DEVICESIRIS DEVICES
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BIOMETRIC PERFORMANCEBIOMETRIC PERFORMANCE
FARFAR
The FAR is the chance that someoneThe FAR is the chance that someone
other than you is granted access toother than you is granted access toyour account.your account.
Low false acceptance rate is mostLow false acceptance rate is mostimportant when security is the priorityimportant when security is the priority
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BIOMETRIC PERFORMANCEBIOMETRIC PERFORMANCE
FRRFRR
The FRR is the probability that are notThe FRR is the probability that are notauthenticated to access your account.authenticated to access your account.
A low FRR is required when convenienceA low FRR is required when convenienceis the important factoris the important factor
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FINGERPRINT PERFORMANCEFINGERPRINT PERFORMANCE
FARFAR -- As low as 1 in 1,000,00As low as 1 in 1,000,00
FRRFRR around 4%around 4%
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IRIS PERFORMANCEIRIS PERFORMANCE
FARFAR -- As low as 1 in 1,000,000As low as 1 in 1,000,000
FRRFRR around 2%around 2%
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APPLICATIONSAPPLICATIONS
Criminal identificationCriminal identification
Prison securityPrison security
ATMATMAviation securityAviation security
Border crossing controlsBorder crossing controls
Database accessDatabase access
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SOME BIOMETRICS STILL INSOME BIOMETRICS STILL IN
DEVELOPMENTDEVELOPMENT
ScentScent
Ear ShapeEar Shape
Finger nail bedFinger nail bed
Facial 3DFacial 3D
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REFERENCESREFERENCES
www.biometix.comwww.biometix.com
www.biomet.orgwww.biomet.org
www.owlinvestigation.comwww.owlinvestigation.com
www.ddl.ision.co.ukwww.ddl.ision.co.uk
www.zdnetindia.com/techzone/resourceswww.zdnetindia.com/techzone/resources
www.biodata.com.auwww.biodata.com.au
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