人脸识别(英文)Face-Recognition课件.ppt

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1、甘显豪张向裕孙吉刚劳建成范超FaceRecognitionContentsFaceRecognitionProcessingFlowFundamentalsstep1step3step2ApplicationWhatisFaceRecognitionAnadvancebiometricidentificationtechniqueAcomputerapplicationforautomaticallyidentifyingorverifyingapersonfromadigitalimageoravideoframefromavideosource.Processing

2、FlowFundamentalsstep1)facedetectionInthisstep,thesystemwillcheckisinputimageafaceornot?facedetectionisacomputertechnologythatidentifieshumanfacesindigitalimages.Itdetectshumanfaceswhichmightthenbeusedforrecognizingaparticularface.Thistechnologyisbeingusedinavarietyofapplicationsnowadays.

3、Fundamentalsstep2)featureextractionfortrainedset(database)atthesametimeforinputimageFeatureextractioncanprovideeffectiveinformation.Likethosepictures,abirthmarkundertherighteyeisusefultodistinguishthattheyareoneperson.Fundamentalsstep3)recognizationprocessAfterstep2,theextractedfeatureof

4、theinputfaceismatchedagainstthosefacesinthedatabase;justlikethispictuer,itoutputstheresultwhenamatchisfound.ApplicationFacerecognitiontopayAlibabaGroupfounderJackMashowedoffthetechnologySundayduringaCeBITeventthatwouldseamlesslyscanusers’facesviatheirsmartphonestoverifymobilepayments.The

5、technology,called“SmiletoPay,”isbeingdevelopedbyAlibaba’sfinancearm,AntFinancial.ApplicationFindMyFace---ataggingsuggestiontoolforitsGoogle+socialnetwork.FindMyFacescansusers'andtheirfriends'photosforrecognizablefaces,andsuggestsnametagsforthefacesbymatchingthemwithusers'profilephotosand

6、othertaggedphotosonthesocialnetwork.ApplicationFaceRecognitionAccessControlSystemFaceRecognitionaccesscontrolsystemiscalledFaceGate,Wheneveronewishestoaccessabuilding,FaceGateverifiestheperson’sentrycodeorcard,thencompareshisfacewithitsstored“key.”Itre-gistershimasbeingauthorizedandallow

7、shimtoenterthebuilding.Accessisdeniedtoanyonewhosefacedoesnotmatch.Facerecognition-basedsystemsintheseapplicationscanachievehighaccuracywithoutmuchcooperationfromtheusers.ThankYou！