基于小波變換的掌紋識(shí)別技術(shù)的研究.pdf

1、分類號(hào)艦13虹4L。UDC密級(jí)學(xué)號(hào)200301306延邊大學(xué)碩士學(xué)位論文基于小波變換的掌紋識(shí)別技術(shù)的研究研究生姓名金璨璇培養(yǎng)單位延邊大學(xué)指導(dǎo)教師姓名、職稱崔榮一教授‘掌科專業(yè)計(jì)算機(jī)應(yīng)用技術(shù)研究方向智能信息處理論文提交日期2006年5月25日ABSTRACTWiththerapiddevelopmentofcomputerandInternettechnologyallovertheworld。informationsecurityhas

2、becomemoreimportantthanbeforeAsanimportantaspectofinformationsecuritythereliableandconvenientidentityrecognitiontechnologyhasinvokedincreasinginterestAlthoughusingpalmprintforpersonalrecognitionhasdrawninterestsfromresea

3、rchers，itisstillachallengingtopicBystudyingthedenoisingalgorithms，locationandnormalizationmethods，featureextractionandmatchingmethodsofpalmprintimage，thisdissertationbringsforwardaseriesofmethodsforpalmprintanalysisFirst

4、lyanovelpalmprintimagedenoisingalgorithmButterworth。waveletdenoisingalgorithmisproposedinthisdissertation，anditiscomparedwithlowpassfilterdenoisingalgorithm，neighborhoodaveragedenoisingalgorithmandMultithrshrinkdenoising

5、algorithmbyexperimentTheexperimentresultsprovethevalidityofthisdenoisingalgorithmSecondlythemethodsofLOGoperatorand8neighborhoodboundary—trackingalgorithmisusedtoextractpalmcontouranditschain—codeByanalyzingtheregularity

6、ofchain—codeofpalmcontouranewandrapidcomerdetectionmethodisproposedThirdlythepalmprintimageislocatedandtheROI(RegionOfInterest)isextractedaccordingtothecontourcomerSimultaneouslyaROIextractionmethodaccordingtotheproporti

7、onofpalmsizeisputforwardFourthlythroughanalyzingthematchingcapacityofbothlocalwaveletenergyfeatureandglobalwaveletenergyfeature，thefeaturefusionmethodisproposedFinallythevalidityofpalmprintanalysismethodsproposedinthisdi