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英文翻译姓名：张衡学号：1102080234指导教师：孙中桥专业：信息管理与信息系统班级：2011级时间：2015年6月25日信息管理系信息管理系英文翻译评价表学生姓名张衡性别男学号1102080234外文文献标题FastComponent-BasedQRCodeDetectioninArbitrarilyAcquiredImages外文文献出处以下内容由指导教师填写（打勾“√”选择）评价项目评价结论打勾评价结论打勾评价结论打勾是否外文期刊文献是否与本人论文相关完全相关一般不相关翻译工作量超负荷饱和不饱和翻译态度认真一般不认真翻译进度按计划执行一般未按计划执行翻译训练效果优良中差综合评语（是否完成了规定任务、效果是否符合要求等）指导教师签名：2015年4月25日制表：李铁治注1：此表与翻译文本一起装订；注2：为了加强学生外语应用能力的训练，每位同学至少选择毕业论文中一篇外文参考文献（10000英文字符），翻译成中文。外文文献及中文译文不装钉进论文中，只形成单行本放入档案袋即可。英文原文FastComponent-BasedQRCodeDetectioninArbitrarilyAcquiredImagesAbstractQuickResponse(QR)codesareatypeof2Dbar-codethatisbecomingverypopular,withseveralapplicationpossibilities.Sincetheycanencodealphanumericcharac-ters,arichsetofinformationcanbemadeavailablethroughencodedURLaddresses.Inparticular,QRcodescouldbeusedtoaidvisuallyimpairedandblindpeopletoaccesswebbasedvoiceinformationsystemsandservices,andau-tonomousrobotstoacquirecontext-relevantinformation.However,inordertobedecoded,QRcodesneedtobeprop-erlyframed,somethingthatrobots,visuallyimpairedandblindpeoplewillnotbeabletodoeasilywithoutguid-ance.Therefore,anyapplicationthataimsassistingrobotsorvisuallyimpairedpeoplemusthavethecapabilitytode-tectQRcodesandguidethemtoproperlyframethecode.Afastcomponent-basedtwo-stageapproachfordetectingQRcodesinarbitrarilyacquiredimagesisproposedinthiswork.Inthefirststage,regularcomponentspresentatthreecornersofthecodearedetected,andinthesecondstagege-ometricalrestrictionsamongdetectedcomponentsareveri-fiedtoconfirmthepresenceofacode.Experimentalresultsshowahighdetectionrate,superiorto90%,atafastspeedcompatiblewithreal-timeapplications.KeywordsQRcode•Component-baseddetection•Haar-likefeatures•Cascadeclassifier1IntroductionComparedtotraditional1Dbarcodes,2Dbarcodescanen-codealargeramountofdata,includingalphanumericchar-acters.QRcode,whichstandsforQuickResponseCode,isatypeoftwo-dimensionalcodeintroducedbyDensoWavein1994[12].Theyhavebeendesignedtobeeasilyfoundandtohaveitssizeandorientationdeterminedunderbadimagingconditions.Inaddition,ISO/IEC18004specifiesanerrorcorrectionschemethatcanrecoveratmost30%ofoccludedordamagedsymbolarea.ThesefeaturesmaketheQRcodeanextremelywellsucceededtechnologyintheareaofbarcodes.Figure1showssomeexamplesofQRcodes.Fig.1SamplesofQRcodeQRcodeswereinitiallyusedbytheautomotiveindustrytotrackvehiclepartsduringthemanufacturingprocess[12].Nowadays,QRcodesaremostcommonlyusedas“physicalhyperlinks”(encodedhyperlinks),notablyintheadvertisingindustry,toconnectplacesandobjectstowebsitescontain-ingadditionalcontextrelevantinformation.Applicationsineducationandentertainment[8,23,25],dataandsystemse-curity[9,16,19],specificserviceoffer[7,27],amongothersarealsoemerging.Anotherpossibleapplicationconsistsinhelpingvisuallyimpairedandblindpeople,orevenrobots,inseveraltaskssuchasindoornavigation,shopping,read-ing,andmuchmore[2,11,13].Theexistingdecoders,easilyfoundformobiledevices,areabletoworkcorrectlyonlyifcodesareproperlyframed,withcoderegioncorrespondingtoatleast30%oftheim-age.Whenexploringanenvironm...