人脸识别(英文)Face-Recognition

甘显豪张向裕孙吉刚劳建成范超FaceRecognitionContentsFaceRecognitionProcessingFlowFundamentalsstep1step3step2ApplicationWhatisFaceRecognitionAnadvancebiometricidentificationtechniqueAcomputerapplicationforautomaticallyidentifyingorverifyingapersonfromadigitalimageoravideoframefromavideosource.ProcessingFlowFundamentalsstep1)facedetectionInthisstep,thesystemwillcheckisinputimageafaceornot?facedetectionisacomputertechnologythatidentifieshumanfacesindigitalimages.Itdetectshumanfaceswhichmightthenbeusedforrecognizingaparticularface.Thistechnologyisbeingusedinavarietyofapplicationsnowadays.Fundamentalsstep2)featureextractionfortrainedset(database)atthesametimeforinputimageFeatureextractioncanprovideeffectiveinformation.Likethosepictures,abirthmarkundertherighteyeisusefultodistinguishthattheyareoneperson.Fundamentalsstep3)recognizationprocessAfterstep2,theextractedfeatureoftheinputfaceismatchedagainstthosefacesinthedatabase;justlikethispictuer,itoutputstheresultwhenamatchisfound.ApplicationFacerecognitiontopayAlibabaGroupfounderJackMashowedoffthetechnologySundayduringaCeBITeventthatwouldseamlesslyscanusers’facesviatheirsmartphonestoverifymobilepayments.Thetechnology,called“SmiletoPay,”isbeingdevelopedbyAlibaba’sfinancearm,AntFinancial.ApplicationFindMyFace---ataggingsuggestiontoolforitsGoogle+socialnetwork.FindMyFacescansusers'andtheirfriends'photosforrecognizablefaces,andsuggestsnametagsforthefacesbymatchingthemwithusers'profilephotosandothertaggedphotosonthesocialnetwork.ApplicationFaceRecognitionAccessControlSystemFaceRecognitionaccesscontrolsystemiscalledFaceGate,Wheneveronewishestoaccessabuilding,FaceGateverifiestheperson’sentrycodeorcard,thencompareshisfacewithitsstored“key.”Itre-gistershimasbeingauthorizedandallowshimtoenterthebuilding.Accessisdeniedtoanyonewhosefacedoesnotmatch.Facerecognition-basedsystemsintheseapplicationscanachievehighaccuracywithoutmuchcooperationfromtheusers.ThankYou！