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    50YearsofBiometricResearch:Almost

    The Solved,The

    Unsolved,

    and

    The

    Unexplored

    MichiganStateUniversity

    June5,2013

    1

    KeynoteTalkDeliveredattheInternationalConf.onBiometrics,Madrid,Spain,June5,2013

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    50YearsofBiometricsResearch Fingerprint

    M.Trauring,OntheAutomaticComparisonofFingerRidgePatterns,

    Nature,vol.197,pp.938940,1963 o ce

    S.Pruzansky,

    Pattern

    Matching

    Procedure

    for

    Automatic

    Talker

    Recognition, J.AcousticSocietyofAmerica,vol.35,pp.354358,1963 W.W.Bledsoe,ManMachineFacialRecognition,Tech.Report

    PRI

    22,

    Panoramic

    Res.

    Inc.,

    1966 . ,

    RecognitionofHumanFaces,DoctoralDissertation,KyotoUniversity,1973

    Handgeometry

    R.H.Ernst,HandIDSystem,USPatentNo.3576537,1971 Iris

    L.Flom andA.Safir,IrisRecognitionSystem,USPatent4641349A,1987 J.G.Daugman,HighConfidenceVisualRecognitionofPersonsbyaTestof

    StatisticalIndependence,IEEETrans.PAMI,vol.15,pp.11481160,19931960s:BeginningsofresearchinAI,patternrecognition&imageprocessing2

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    IdentificationforDevelopment:TheBiometricsRevolution

    identificationprogramsintheLowMiddleIncomeCountries

    *IdentificationforDevelopment:TheBiometricsRevolution,A.GelbandJ.Clark,CenterforGlobalDevelopment,NW,Washington

    DC,WorkingPaper315,Jan.2013,http://www.cgdev.org/sites/default/files/1426862_file_Biometric_ID_for_Development.pdf

    3

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    Objectives&Outline

    Whatis

    biometrics?

    ow ometr csgetstarte

    Whereare

    we

    now?

    Wheredowegofromhere?

    4

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    TheBiometricsConundrum

    Demographics Credentials

    Sensordata

    Transaction Authentication

    Privilege

    User

    Matchscore

    Confidence

    Recognizeaperson

    by

    body

    traits

    &

    link

    the

    body

    to

    an

    externally

    assigned

    identity

    5

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    BiometricChallenge

    Findarepresentation&similarity measuresuchthat

    Intrasubject

    similarity

    is

    very

    high

    Probe Gallery

    6Similarityscore>Timpliesamatch

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    WhyBiometrics?

    Security:Doesthepersonhaveapriorcriminalrecord?

    Convenience:

    Noneed

    to

    carry

    credentials

    (pw,

    ID)

    Fraud:

    Is

    the

    credit

    card

    holder

    the

    rightful

    owner? Deduplication:Oneperson,onedocument!

    Palmvein

    scanners

    used

    for

    patient

    registration

    in

    Houston

    hospital

    system;

    2,488

    patientsarenamedMariaGarciaand231ofthemhavethesamebirthdate

    7http://www.usatoday.com/story/news/nation/2012/11/25/palmscannerstechnologyschools/1726175/

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    IndiasAadhaar Project

    Basic demo ra hic data and biometrics

    Name

    Parents

    Gender

    1568 3647 4958

    stored centrally

    UID = 1568 3647 4958

    DoB

    PoB

    Address

    ngerpr n s, r ses ace mage

    Central UID database

    To ivethe ooranidentit

    ~350 million unique ID numbers have already been issued

    https://portal.uidai.gov.in/uidwebportal/dashboard.do 8

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    PersonalizationApplications

    Transactions

    Healthcare

    Veri ication

    ConvenienceTravelSafety

    9

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    10

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    HabitualCriminalAct(1869)

    What is wanted is a means of

    classifying the records of habitual

    criminal, such that as soon as the

    p r i s o n e r ( w h e t h e r

    descri tion, measurements, marks, or photographs) are received, it may

    be possible to ascertain readily, and

    w t certa nty, w et er s case s nthe register, and if so, who he is. HabitualCriminalsReturnsBook

    G.Pavlich,TheEmergenceofHabitualCriminalsin19thCenturyBritain:Implicationsfor

    Criminology,Journal

    of

    Theoretical

    and

    Philosophical

    Criminology,

    2(1),

    pp.

    159,

    2010 11

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    BertillonSystem(1882)

    H.T.F.Rhodes,AlphonseBertillon:FatherofScientificDetection,Harrap,195612

    Firstuseofsoftbiometricsandmultibiometrics

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    FrictionRidgePatternFrictionRidgePattern

    Perhaps the most beautiful and

    characteristic of all superficial marks

    with the intervening ridges and theirpores that are disposed in a singularly

    com lex et even order on the under

    surfaces of the hands and feet., , ,

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    ThreeMostPopularBiometricTraits

    Legacydatabase Legacydatabase 1:Nsearch

    1:Nsearch

    NISTevaluationCovert

    capture

    NISTevaluationHigh

    accuracy

    NISTevaluation

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    FingerprintRecognitionMilestones

    1880

    HenryFaulds

    Articleonfingerprints

    ublishedinNature

    1963

    MitchellTrauring

    Firstpaperonautomatic

    fin er rintmatchin

    2004

    DHS

    USVISIT

    2009

    UIDAI

    Indiastartedissuing

    12di itUIDno.to

    1901

    ScotlandYard

    AdoptedGalton/Henrysystemof

    classification

    AD600

    China

    1893

    Argentina

    1924

    FBI

    itsresidents

    2008

    FBI

    1970s

    FBI

    contracts andlegal

    documents

    asforensicevidence

    identificationdivision

    ~10002000B.C. 1892 1990s 20051997

    AncientBabylon

    Fingermarkonclayseal

    JuanVucetich

    Rolledinkonpaper

    Livescantechnique

    Opticalsensor

    Solidstatesensor

    Ultrasoundsensor

    TBS

    Touchless 3Dsensor

    ThomsonCSF

    Swipesensor

    ~1995

    2003

    USVISIT

    http://www.alaskafingerprinting.com/Fingerprinting.html

    http://commons.wikimedia.org/wiki/File:USVISIT_(CBP).jpg

    http://www.biometricdirect.net/upekeikontouchfingerprintreadereikontouch700.html

    http://www.thehindu.com/news/national/uidaitostartinformingaadharnumbersthroughemailssmses/article2624078.ece

    http://www.idex.no/technology/swipesensor/

    http://www.techneology.org/2009/10/touchless3dfingerprinting.html 15

    SiemensIDmouse

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    FaceRecognitionMilestones

    1991

    Turk & Pentland

    1964

    Woodrow Bledsoe

    1973

    Takeo Kanade

    2001

    Viola & Jones

    2006 20091997

    Belhumeur et

    1999

    Blanz & Vetter

    Eigenface

    Facerecognition

    FirstFRthesis Facedetector

    al.

    LBP

    .

    Sparserep.

    al.

    Fisherface

    Morphable face

    191535mmstillcamera

    1991Kodak

    Digitalcamera

    1024p

    2000Sharp

    Firstcameraphone

    320p

    20102013

    Wearablecamera

    480P@30fps

    GoogleGlass

    April2013

    SamsungGalaxyS4

    1080p@30fps

    1990sSurveillancecamera

    480p@30fps

    Bledsoe,W.W.1964.TheModelMethodinFacialRecognition,TRPRI15,PanoramicResearch,Inc.,California. http://photodoto.com/camerahistorytimeline/

    M.Turk

    and

    A.

    Pentland, Eigenfaces for

    recognition.

    Journal

    of

    Cognitive

    Neuroscience

    3(1):

    7186,

    1991.

    TakeoKanade,PictureProcessingSystembyComputerComplexandRecognitionofHumanFaces,KyotoUniv.,1973.Viola,Jones:RobustRealtimeObjectDetection,IJCV2001.

    Ahonen,et al.Face

    Description

    with

    Local

    Binary

    Patterns:

    Application

    to

    Face

    Recognition,

    PAMI,2006.

    J.Wrightetal. RobustFaceRecognitionviaSparseRepresentation,PAMI,312,2009.

    http://static7.businessinsider.com/image/4d013ea7cadcbb7033010000/looxcievideocamera.jpg

    http://www.techinasia.com/samsunggalaxys4infographic/

    720p@30fps

    Belhumeur,P.N.etal.,Eigenfaces vs.Fisherfaces:recognitionusingclassspecificlinearprojection,PAMI,197,1997.

    V.Blanz andT.Vetter,Amorphable modelforthesynthesisof3Dfaces,SIGGRAPH1999.

    http://commons.wikimedia.org/wiki/File:Three_Surveillance_cameras.jpg

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    IrisRecognitionMilestones2002

    USA

    Useofirisrecognition

    infieldoperations

    2009

    UIDAI

    NationalID

    2010

    Mexico

    NationalID

    2011

    Indonesia

    NationalID

    1936

    FrankBurch

    Conceptofusingiris

    patternsforhuman

    1985

    Flom andSafir

    1991

    JohnDaugman

    2001

    UAE

    2005

    Flom andSafir

    2011

    JohnDaugman

    Firstirisrecognition

    patent

    Irisrecognition

    patent

    1995

    Deployedirisrecognition

    systemforbordercontrol

    Patentexpired Patentexpired

    1989 20062004 2013 2013

    IrisScanner System

    Oneoftheearliest

    commercialiriscameras

    JohnDaugman

    Firstiriscamera

    Sarnoff

    IrisontheMove

    SecuriMetrics

    Portableirisrecognition

    device

    AOptix

    App&device

    forsmartphone

    tocaptureiris

    DeltaEye

    https://www.fbo.gov/index?s=opportunity&mode=form&tab=core&id=1d31acd78d7a20b1fe598bf4b4661d6bhttp://www.sri.com/engage/productssolutions/iompassportportalsystem

    http://www.cnn.com/2013/04/16/tech/mobile/mashablebiometriciphonescanner

    17

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    OtherBiometric

    Traits

    18

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    TraitswithLegacyDatabase

    Traceevidence

    Innocenceproject

    RealtimeDNAmatching

    ~30%of

    latents are

    of

    palmprints

    FBIsNGIwill havelatentpalmprint

    matchin ca abilit

    Capabilityto

    conduct

    1:N

    search 19

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    TraitsinCommercialSystems

    Primarilyfor

    1:1

    match 20

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    TraitsinLaboratoryStage

    21

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    WhichBiometric

    Trait?

    22

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    RequirementsofaBiometricTrait

    Uniqueness(Isitdistinctiveacrossusers?)

    Universality(Doeseveryuserhaveit?)

    Collectability(Canitbemeasuredquantitatively?)

    Userexperience(Isitacceptabletotheusers?)

    Vulnerability(Can

    it

    be

    easily

    spoofed?)

    Inte ration(Canitbeembeddedinthea lication?)

    23Nobiometric

    trait

    is

    optimal,

    but

    many

    are

    admissible

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    RejectedBiometricTraits

    24

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    25

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    FingerprintMatching

    Plaintoplainmatching . .

    Latentto

    rolled

    matching

    .

    OnNISTSD27,stateoftheartrank1accuracy:~72%

    C.Wilson

    etal.,FingerprintVendorTechnologyEvaluation2003:SummaryofResultsandAnalysisReport,NISTIR7123,2004

    M.Indovinaetal.,EvaluationofLatentFingerprintTechnologies:ExtendedFeatureSets[Evaluation#2],NISTIR7859,2012Matchingspeed:~millions/secfortenprint matchingonasingleserver

    26

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    IrisRecognition

    Irisimages

    collected

    from

    4.3

    million

    eyes

    (6.1

    M

    images)

    Overthe95algorithmsevaluated,singleeyeirisfalse

    negativeidentification rates(i.e.missrates)areat1.5%or

    higher.Fortwoeyes,FNR=0.7%

    No.offalsepositivesis25outofatotalof1013 comparisons

    Pupildilation

    & constriction

    canimpact

    iris

    recognition

    Templatesizevaries between1KBand20KB

    http://www.nist.gov/itl/iad/ig/irexiii.cfm28

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    SpeakerRecognition

    Givenatargetspeakerandatestspeechsegment,isthe

    Atrial

    consists

    of:

    Target

    Speaker

    ID

    +Test

    segment

    NIST SRE12

    Systems

    tested 75 90

    95

    100

    TestSegmentDuration 30300s

    Number ofTrials ~2million 80

    85TAR

    (%)

    KnownNon

    Target

    UnknownNonTarget

    ,

    46,601

    61,87170

    1 2 30.01% 0.1% 1%

    C.Greenberg

    etal.,The2012NISTSpeakerRecognitionEvaluation,NISTSRE12,December11122012,Orlando,Florida

    http://www.nist.gov/itl/iad/mig/sre12results.cfm 29

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    UnsolvedProblems

    Fundamental roblems

    Uniqueness(individuality)

    Applicationdrivenproblems

    Systemsecurity&userprivacy

    Antispoofing

    31

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    Uniqueness

    Givena10digitPIN,no.ofuniqueidentities

    thatcanberesolved=10billion

    But,what

    can

    we

    say

    about

    abiometric

    trait?

    Bodytraitvs.sensedimage

    No.ofmonozygotictwinbirthrateisaboutthreeinevery1,000birthsworldwide 32

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    Persistence

    Humanbody(hencebiometrictraits)willageovertime

    Score=0.84 Score=0.76 Score=0.71 Score=0.58COTS

    A

    COTSB

    33ImagesfromPCSOmugshot database;CourtesyScottMcCallum

    h

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    CamerasEverywhere

    1M CCTV cameras in London & 4M in U.K.; average Briton is seen by 300 cameras/day;400K cameras in Beijing provide 100% coverage of public places; 150K cameras in Seoul34

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    36

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    TopRetrievalRanks forTsarnaev Brothers

    37

    Bi t i S t V l biliti

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    BiometricSystemVulnerabilities

    Insider Attacks

    Enrollment FraudCollusion

    Enrollment

    Exception Abuse

    FeatureExtraction

    Verification

    StoredTemplates

    HillClimbing, Re

    play &Man-in-the-

    Middle

    Spoofing &Obfuscation

    Attacks

    TrojanHorseAttack

    TrojanHorseAttack

    TemplateAttacks

    Attacks

    External Adversary Attacks

    FakeIris Altered

    Fingerprints Minutiae Reconstructed

    Fingerprint

    Biometric Template Protection

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    BiometricTemplateProtectionApplication A

    FeatureExtraction

    EnrollmentStoredTemplates

    TemplateProtection

    Matcher

    Verification

    Non-linkableNon-invertible

    X

    Application B

    by preventing

    cross-matching)

    by preventing intrusion attacks)

    StoredTemplates

    Can we generate a non-invertible AND non-linkable biometric template

    without compromising the matching accuracy?

    Bi i K G i

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    BiometricKeyGeneration

    Courtesy: Prof. Tyfun Agkul, Istanbul Technical University 40

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    Circumvention

    Face Liveness

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    FaceLiveness

    42

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    WhereisBiometricsGoin ?

    Processor,memor &sensors

    Ubiquitousbiometrics

    Context

    Privacy

    Biometricsforsocietalgood

    ersona za onBiometrics&forensics

    43

    Processor Memory and Sensing Technology

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    Processor,MemoryandSensingTechnology

    Microprocessorperformancevs.cost RAMcapacityvs.cost

    1892Inkandpaper

    1990sOpticalsensor

    1990sCapacitivesensor

    1997First swipesensor

    2007US

    VISIT

    Slapsensor2010

    SAFRAN

    Touchless swipesensor

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    Ubi uitousBiometrics

    Biometrics will become more

    holistic, where location, behavior and

    recent interaction history fuse with

    multimodal biometric ID (strong and

    weak traits) to provide a strongassurance of identity. This degree of

    inte ration is both inevitable and

    necessary for ubiquitous biometrics.

    CourtesyRob

    Rowe,

    Lumidigm 45

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    46

    Google Glasses

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    GoogleGlasses

    47

    Privacy

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    Privacy

    Cafes ban Google

    glasses to protect'

    Fears users of futuristic

    eyewear can recordwithout permission.

    http://www.dailymail.co.uk/sciencetech/article

    2323578/CafesbanGoogleglassesprotectcustomers

    privacyFearsusersfuturisticeyewearrecord

    permission.html#ixzz2UgEfuN8F

    48

    Your Digital Footprint Defines You

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    YourDigitalFootprintDefinesYou

    Browsing HistoryBookmarksPreferences

    Your FavoriteWeb Services

    Your Family& Friends

    e-Transactions

    Online Interaction Patterns++

    W atyou do?

    Home & Office Mobile

    Whereyou are?

    Whatyou are?

    WHO YOU ARE

    GPS Fingerprint:

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    GPSFingerprint:

    Withjusttheanonymouslocationdata,onecanfigureoutwhoyouareby

    trackingyoursmartphone.Patternsofourmovements,whentracedona

    DeMontjoye,

    Hidalgo,

    Verleysen &

    Blondel,

    Unique

    in

    the

    Crowd:

    The

    Privacy

    Bounds

    of

    Human

    Mobility,

    Scientific

    Reports,

    vol.

    3,

    2013

    map,createsomethingakintoafingerprint,uniquetoeveryperson.

    50

    AffectiveBiometrics

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    CourtesyProf.Tayfun Akgul,ITU

    Cell Phone Science

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    CellPhoneScience(By

    Bill

    Gates,

    Nov

    09,

    2010)

    Most of us think of cell phones primarily as

    a convenient tool to stay in touch with

    people and store information. But

    increasingly, scientists are exploring ways to

    use cell phones to deliver critical health care

    to people in developing countries.

    Over1.7billionmobilephonesweresoldworldwidein2012alone

    http://www.gartner.com/newsroom/id/2335616

    http://www.thegatesnotes.com/Topics/Health/CellPhone

    Science 52

    b l h b d

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    MobilePhonebasedVaccinationRegistry

    16monthsoldboy,rightringfinger

    .

    redundantdosesandincreasecoveragelevelsindevelopingcountries(MarkThomas,VaxTrak)

    53http://vaxtrac.com/about

    Locards Exchange Principle

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    Locard s ExchangePrinciple

    Edmond Locard (18771966), a pioneer in forensic

    science, stated that the perpetrator of a crime will bring

    something into the crime scene and leave with something from

    it, and that both can be used as forensic evidence.

    .. Not only his fingerprints or his footprints, but his hair, thefibers from his clothes, the glass he breaks, the tool mark heeaves, e pa n e scra c es, e oo or semen e epos s

    or collects. All of these and more, bear mute witness againsthim. This is evidence that does not forget. ..Only humana ure o n , s u y an un ers an , can m n s s

    value.

    PaulKirk,Crimeinvestigation: physicalevidenceandthepolicelaboratory.Interscience Publishers,NY1953

    http://en.wikipedia.org/wiki/Locard%27s_exchange_principle 54

    A Brief History of DNA Testing

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    ABriefHistoryofDNATesting

    BeforeDNA: PCR,STRsandtheOnset Mitochondrial Rapid

    Testsresults

    in

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    Summary&Conclusions

    BiometricsRecognitionisheretostay

    Researchvs.Technology

    Driversforacademicresearchers:

    Errorrates(butwhatsthebaseline?),new

    Driversfortechnologyproviders:

    Requ rements error

    rates,

    temp ate

    size,processor,throughput),seamless, ,

    56

    My Observations

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    MyObservations

    1. BiometricSystem:Almostalwaysembeddedinanapplication

    . ome r c ra : oop ma one, u someare e er ano ers

    3. MatcherAccuracy:

    Zero

    error

    is

    neither

    required

    nor

    guaranteed

    .

    5. Baseline:Improperbaselineprovidesfalsesenseofprogress

    .

    7. BiometricTemplate:Featureextractionisnotaonewayfunction

    .

    9. MatchScore:Gaussiandensityisnotadvisable.Tailsarecritical

    .

    57

    Acknowledgement

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    58