毕业论文外文翻译-图像处理

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1、英文资料翻译Imageprocessingisnotaonestepprocess．Weareabletodistinguishbetweenseveralstepswhichmustbeperformedoneaftertheotheruntilwecanextractthedataofinterestfromtheobservedscene．InthiswayahierarchicalprocessingschemeisbuiltupassketchedinFig．Thefiguregivesanoverviewofth

2、edifferentphasesofimageprocessing.Imageprocessingbeginswiththecaptureofanimagewithasuitable，notnecessarilyoptical，acquisitionsystem．Inatechnicalorscientificapplication，wemaychoosetoselectanappropriateimagingsystem．Furthermore，wecansetuptheilluminationsystem，chooset

3、hebestwavelengthrange，andselectotheroptionstocapturetheobjectfeatureofinterestinthebestwayinanimage．Oncetheimageissensed，itmustbebroughtintoaformthatcanbetreatedwithdigitalcomputers.Thisprocessiscalleddigitization.Withtheproblemsoftrafficaremoreandmoreserious.ThusI

4、ntelligentTransportSystem(ITS)comesout.Thesubjectoftheautomaticrecognitionoflicenseplateisoneofthemostsignificantsubjectsthatareimprovedfromtheconnectionofcomputervisionandpatternrecognition.Theimageimputedtothecomputerisdisposedandanalyzedinordertolocalizationthep

5、ositionandrecognitionthecharactersonthelicenseplateexpressthesecharactersintextstringformThelicenseplaterecognitionsystem(LPSR)hasimportantapplicationinITS.InLPSR,thefirststepisforlocatingthelicenseplateinthecapturedimagewhichisveryimportantforcharacterrecognition.

6、Therecognitioncorrectionrateoflicenseplateisgovernedbyaccuratedegreeoflicenseplatelocation.Inthispaper,severalofmethodsinimagemanipulationarecomparedandanalyzed,thencomeouttheresolutionsforlocalizationofthecarplate.Theexperiencesshowthatthegoodresulthasbeengotwitht

7、hesemethods.Themethodsbasedonedgemapandfrequencyanalysisisusedintheprocessofthelocalizationofthelicenseplate,thatistosay,extractingthecharacteristicsofthelicenseplateinthecarimagesafterbeingcheckedupfortheedge,andthenanalyzingandprocessinguntilthe  probablyareaofli

8、censeplateisextracted.Theautomatedlicenseplatelocationisapartoftheimageprocessing,it’salsoanimportantpartintheintelligenttrafficsystem．Itisthekey