基于紋理強化的微量筆跡鑒別技術(shù)研究.pdf

1、湖南大學(xué)碩士學(xué)位論文基于紋理強化的微量筆跡鑒別技術(shù)研究姓名：賈雪飛申請學(xué)位級別：碩士專業(yè)：計算機技術(shù)指導(dǎo)教師：朱寧波；申買君20120602工程碩士學(xué)位論文AbstractWriteridentification(WI)isatechnologywhitchaimstodecidetheidentityofwritersaccordingtothehandwritingstylesThereisawiderangeoftheoretic

2、albasisandapplicationsofWItechnologyInadditiontoWIinspecificareassuchaspublicsecurityprofessionalWI，theapplicationinthedailylifehasseenrapiddevelopmentForexample，computeruserlogin，creditcardsignature，e—commerceFromtheper

3、spectiveofidentification，handwritingisamorestablebehaviorwithcharacteristicsofeasyaccess(ornon—contact)，andacceptabilityTherefore，researchgeneralWIsystemwillhavegreatsignificanceThisarticletriestotracetheindividualofflin

4、ehandwriting(referringtosegmentlineortinystrokelineofChinesecharacters，characters，graphicsorotherinformation)toidentifytheidentity，thisresearchcanbeappliedtothecomputerapplication，mobilephoneinformation，networklogin，cred

5、itcardsignature，socialwelfarerecipientsandothercommercialenvironmentsAfteranalysis，thispaperconsidersthattheWIsystemhasthefollowingsituations：1)aspecificpersonwithaspecifichandwriting；2)aparticularpersonwrittenindifferen

6、thandwriting；3)differentpeoplewritespeeifiehandwritings；4)differenthandwritingwrittenbydifferentpeopleInthispaper，forimprovingthehandwritingimagefidelitylevelforthenextsteptoprepareforextractingfeaturesandanalysising，off

7、linehandwritingimagebinarization，denoisingandnormalizationpreprocessing，automaticlayoutanalysishasbeenprocessedInthispaper，asmallnumberofgreatsignificanceofphysicalcharacteristicsforWIhasbeenselectedbyextractingandanalys

8、isingbyphysicalcharacteristicsofthehandwritingimageInthispaper，WItexturealgorithhasbeenanalyzedanddevelopedAstheamountofsegmenthandwritingsislimited，itisnecessarytostrengthenthetexturecharacteristicsThispaperbasedonthepa

9、perofmanypreviousresearcherswhichhasimprovedthetexturealgorithm，andtheimageranksofcompression，imagezoom，imagesuperpositionandothertesthasbeentestedFinalizedandimplementedimageexpansionafterimagelayoutanalysisalgorithmtoe