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基于DSP和ZigBee的虹膜识别系统设计(英文) DesignofIrisRecognitionSystembasedonDSPandZigBee Abstract Irisrecognitionisabiometricauthenticationtechnologythatidentifiesanindividualbasedontheuniquepatternsoftheiris.Inthispaper,weproposeanirisrecognitionsystemdesignbasedondigitalsignalprocessing(DSP)andZigBeewirelesscommunicationtechnology.Thesystemincludesanirisimageacquisitionmodule,aDSPprocessor,aZigBeemodule,andauserinterface.TheirisrecognitionalgorithmisbasedontheDaugmanmodelandisimplementedontheDSPprocessor.TheZigBeemoduleisusedforwirelesscommunicationbetweenthesystemandtheuserinterface.Theproposedsystemislow-cost,fastinprocessingandhighlyaccurateinrecognition.Theexperimentresultsshowthattheproposedirisrecognitionsystemcanachievehighrecognitionaccuracyandcanbeusedinvariousapplicationssuchasaccesscontrol,bordercontrolandlawenforcement. Keywords:irisrecognition,biometrics,DSP,ZigBee,Daugmanmodel Introduction Irisrecognitionisabiometricidentificationtechnologythatusesirispatternstoauthenticateindividuals.Thistechnologyoffershighaccuracy,reliability,andsecurity,makingitsuitableforvariousapplicationssuchasaccesscontrol,bordercontrol,andlawenforcement.Thebasicprincipleofirisrecognitionistocapturetheirisimageandextracttheirispattern.Thispatternisthencomparedwithadatabaseofknownpatternstoauthenticatetheindividual. Inrecentyears,therehasbeenagrowingdemandforlow-cost,fast,andaccurateirisrecognitionsystems.Tomeetthisdemand,manyresearchstudieshavebeenconductedtoimprovetheperformanceofirisrecognitionalgorithmsanddevelopefficienthardwareandsoftwareforirisrecognitionsystems. Inthispaper,weproposeanirisrecognitionsystemdesignbasedondigitalsignalprocessing(DSP)andZigBeewirelesscommunicationtechnology.Theproposedsystemincludesanirisimageacquisitionmodule,aDSPprocessor,aZigBeemodule,andauserinterface.TheirisrecognitionalgorithmisbasedontheDaugmanmodelandisimplementedontheDSPprocessor.TheZigBeemoduleisusedforwirelesscommunicationbetweenthesystemandtheuserinterface. IrisAcquisitionModule Theirisacquis