掌紋的模糊識(shí)別方法研究.pdf

1、東北師范大學(xué)碩士學(xué)位論文掌紋的模糊識(shí)別方法研究姓名：雷貞貞申請(qǐng)學(xué)位級(jí)別：碩士專業(yè)：電路與系統(tǒng)指導(dǎo)教師：王連明20090501AbstractUniquecharacteristicandrelativestabilitymakethebiologicalcharacteristicsoftheindividualnoteasilybeforgedorcounterfeitThereforetheuseofbiometricauthent

2、icationtechnologyarepromisingBiometricpalmprintrecognitionisanemergingareawhichattractsagrowingnumberofresearchersandhasbecomehotinthefieldofbiometricsresearchThispapersummarizedtheresearchofpalmprintrecognitiontechnolog

3、yanalyzedtheadvantagesandlimitationsofthemethodshavingbeenproposed，andstudiedthekeytechnologyandthecorealgorithmofthepalmprintidentificationsystemforimagepreprocessing(includingtheregionalpalmprintimagepositioning，normal

4、izing)，palmprintfeatureextraction，featurematchingandSOonTheresultsareasfollows：FirstlypalmprintimagesarefromPolyuOnlinePalmprintDatabaseintheHongKongPolytechnicUniversityBiometricResearchCenterPreprocessingwasbasedonthec

5、ontourfeaturepointlocationmethods，theexperimentsshowedthatthismethodCaneffectivelypositionandpartition，tosomeextent，reducetheunnecessarynoiseSecondlypalmprintrecognitionbasedonthefuzzysimilaritywasproposed，afteranalyzing

6、thecharacteristicofpalmprintimage，themembershipfunctionWasproposedtoestablishthesimilarpalmprintimagematrix，andthenEuclideandistanceWasusedtoidentifytheimagePrincipleoffuzzyCaneffectivelyresolvetheuncertaintyofgray—scale

7、images，thegeometryandtheknowledgeFinallythewholealgorithmicofrecognitionprocesswassimulatedusingMatlabsoftware，meanwhile，therecognitionresult，de—rotationandde—shiRcapabilityweretestedTheexperimentalresultsshowedthatfuzzy

8、similaritymethodusedinthepalmprintrecognition，tosomeextent，CaninhibitthetranslationandrotationontherecognitionresultsandhavebetterrealtimecapabilitiesandrobustnessKeywords：Palmprintrecognition；Fuzzysimilarity；Cannyoperat