指紋識(shí)別中的圖像處理研究.pdf

1、重慶大學(xué)碩士學(xué)位論文指紋識(shí)別中的圖像處理研究姓名：林國(guó)清申請(qǐng)學(xué)位級(jí)別：碩士專業(yè)：儀器科學(xué)與技術(shù)指導(dǎo)教師：謝利利李見為20030503英文摘要ABSTRACTAlongwithdevelopmentofsocietytraditionalsecuritysystemswhichbasedmainlyOiltokenorpasswordbecome劬gileandcannotmeetthedemandofmodernsecuritysyst

2、emWhichmakespeopleresearchfornewsecuritysystemthatissaferandmoredifficulttofabricatethanthetraditionalsecuritysystemFingerprintrecognitiontechniquethatissaferandhasmorefeasibilityWasappearedunderthiscircumstanceFingerpri

3、ntrecognitiontechniqueCanuseourbody’sphysicalcharacterstomakeitselfbecomingasafersecuritysystemAfingerprintisthepatternofridgesandvalleysonthesurfaceofafingertipModemstatisticshasprovedthatfingerprintisuniqueandsteadytha

4、tmeans，one’SfingerprintisdifferentfromallothcrsandwillnotchangeallhislifeAsonekindofbiometricrecognitiontechnique，fingerprintrecognitiontechniqueiswidelyusedinforensic，policeandothersecuritysystemRecentlyasthedevelopment

5、ofmicrocomputertechniqueandembeddevelopingsystemtechniqueautomatedfingerprintidentificationsystem(AFIS)hasmadeagreatprogressThisarticleismeanlystressonthefingerprintimageprocessingtechniquethatisoneofthekeytechniquesofau

6、tomatedfingerprintidentifications弘temThisarticleanalysesthecharacteristicoffingerprintimageandbringsforwardsomereasonablesupposeswhichrelatedtothefingerprintimageaRerIcollectedandanalyzedmanyarticlesofothersthatisrelated

7、tothefingerprintimageprocessingandhaspublishedintheresentyearsBasedonthesecharacteristicandsupposes，Idevelopedasetoffingerprintimageprocessingarithmeticthatareadapttothefingerprintimagegatheredbycapacitivesolidstatedevic

8、eTheseincludeseveralstepsTheyarerefiningtheeffectivearea，analyzingqualitNsegmentation，filteringnoise，thinning，refiningtheminutiae，analyzingreliabilityandmatchingoffingerprintimageThisarticleusesthedirectionbasedarithmeti

9、ctosegmentthefingerprintimage，It’SmeritsanddemeritsarediscussedinthisarticleArithmeticthatisbasedontheslimoffingerprint’SgreylevelvarietyisusedtefiningtheeffectiveareaoffingerprintimageAseedfillingarithmeticisusedtofilte

10、ringtheholelikenoiseofthefingerprintimageAneffectivemethodtosegmentthegreylevelfingerprintimageistousethesethreemethodsatthesametimeThisarticlestatesthethinningarithmeticindetailandgivesapseudolanguageprogramoftheseedfil