BIOMETRICSBIOMETRICS

ByByLt Cdr V PravinLt Cdr V Pravin

05IT601905IT6019

BIOMETRICSBIOMETRICS

Forget passwords ...Forget passwords ...

Forget pin numbers ...Forget pin numbers ...

Forget all your security concerns ...Forget all your security concerns ...

BIOMETRICSBIOMETRICS

IntroductionIntroduction General systemGeneral system Finger PrintFinger Print IrisIris Performance & ApplicationPerformance & Application ConclusionConclusion

WHAT IS BIOMETRICSWHAT IS BIOMETRICS??

Automated methodAutomated method

Pattern recognition system Pattern recognition system

Specific physiological or behavioral Specific physiological or behavioral characteristics characteristics

WHY USE IT?WHY USE IT?

Traditional methods involving passwords Traditional methods involving passwords and PIN numbers and PIN numbers

Biometrics highest level of securityBiometrics highest level of security

CHARACTERISTICS USEDCHARACTERISTICS USED

• FingerprintsFingerprints• VoiceprintsVoiceprints• Facial featuresFacial features• Writing patternsWriting patterns• Iris patternsIris patterns• Hand geometryHand geometry

BIOMETRIC SYSTEMBIOMETRIC SYSTEM

Data CollectionData Collection TransmissionTransmission Signal ProcessingSignal Processing Data StorageData Storage DecisionDecision

BIOMETRIC SYSTEMBIOMETRIC SYSTEM

The hardware captures the salient human The hardware captures the salient human characteristic characteristic

The software interprets the resulting data and The software interprets the resulting data and determines acceptability. determines acceptability.

HOW IT WORKSHOW IT WORKS

FINGER PRINTFINGER PRINT

Oldest form of BiometricsOldest form of Biometrics

Highly ReliableHighly Reliable

Uses distinctive features of fingersUses distinctive features of fingers

FINGER PRINT RECOGNITIONFINGER PRINT RECOGNITION

Global featuresGlobal features

Local featuresLocal features

Pattern Area

Core Point

Delta

Line types

Ridge Count

Ridge Patterns

GLOBAL FEATURES

BASIC RIDGE PATTERNS

Loop

Arch

Whorl

LOOP, ARCH AND WHORL

STAGES

Fingerprint Scanning

Fingerprint Matching

Identification

FINGERPRINT SCANNING

It’s the acquisition and recognition of a person’s fingerprint characteristics for identification purposes

IMAGE CAPTUREIMAGE CAPTURE

OpticalOptical ThermalThermal CapacitanceCapacitance Ultra SoundUltra Sound

IMAGE ACQUISITONIMAGE ACQUISITON

MINUTIA MATCHING

BRIDGE CODEBRIDGE CODE

SPUR CODESPUR CODE

PROCESSPROCESS

PROCESSPROCESS

FINGERPRINT PC LOCK

FINGERPRINT DOOR LOCK

IRIS RECOGINITIONIRIS RECOGINITION

IRIS RECOGNITIONIRIS RECOGNITION

Pattern recognition techniquePattern recognition technique

Identification by mathematical analysis of Identification by mathematical analysis of the random patterns.the random patterns.

Based upon the qualities of the IrisBased upon the qualities of the Iris

Iris is a protected internal organ whose Iris is a protected internal organ whose random texture is stable throughout liferandom texture is stable throughout life

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

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

IRIS SCAN IMAGEIRIS SCAN IMAGE

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 description More complete than features of DNAMore complete than features of DNA

IRIS SYTEMIRIS SYTEM

Pre processing

Feature-extraction

Identification Verification

Stored templates

Uniform distribution

Reject

AcceptIris scan image capture

Iris localization

Iris code comparison

IRIS RECOGNITIONIRIS RECOGNITION

Database of millions of recordsDatabase of millions of records Iris code generated is compared Iris code generated is compared Searching algorithm based on Properties Searching algorithm based on Properties

of Irisof Iris Order of a few secondsOrder of a few seconds

AVIATION – IRIS DEVICESAVIATION – IRIS DEVICES

BIOMETRIC PERFORMANCEBIOMETRIC PERFORMANCE

FARFAR

The FAR is the chance that someone The FAR is the chance that someone other than you is granted access to other than you is granted access to your account.your account.

Low false acceptance rate is most Low false acceptance rate is most important when security is the priorityimportant when security is the priority

BIOMETRIC PERFORMANCEBIOMETRIC PERFORMANCE

FRRFRR

The FRR is the probability that are not The FRR is the probability that are not authenticated to access your account.authenticated to access your account.

A low FRR is required when convenience A low FRR is required when convenience is the important factoris the important factor

FINGERPRINT PERFORMANCEFINGERPRINT PERFORMANCE

FAR - As low as 1 in 1,000,00FAR - As low as 1 in 1,000,00

FRR –around 4%FRR –around 4%

IRIS PERFORMANCEIRIS PERFORMANCE

FAR - As low as 1 in 1,000,000FAR - As low as 1 in 1,000,000

FRR –around 2%FRR –around 2%

APPLICATIONSAPPLICATIONS

Criminal identificationCriminal identification Prison securityPrison security ATMATM Aviation securityAviation security Border crossing controlsBorder crossing controls Database access Database access

SOME BIOMETRICS STILL IN SOME BIOMETRICS STILL IN DEVELOPMENTDEVELOPMENT

Scent Scent

Ear Shape Ear Shape

Finger nail bed Finger nail bed

Facial 3DFacial 3D

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