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1、河北工业大学硕士学位论文车牌识别中图像超分辨复原方法的研究姓名：李宾申请学位级别：硕士专业：计算数学指导教师：郭蔚20071101车牌识别中图像超分辨复原方法的研究RESEARCHOFSUPER-RESOLUTIONRESTORATIONINPLATELICENSERECOGNITIONABSTRACTPlatelicenserecognitionisanimportantpartofvehiclesdetectionandtrafficmanagementwithavarietyofapplications.Th
2、efirststepbeforerecognitionistoseePlatelicenseimageclearlyandtoenhanceimagequality,therecognitionwillhaveaverygoodeffect.Toseeclearlylicenseplateimages,thereisamethodthatissuper-resolutionrestoration.Forimagedegradation,thispaperbasedonwaveletanalysisandsuper-
3、resolutionandotherimageprocessingtechnology,doingalotofresearchesinsuper-resolutionrestorationinlicenseplaterecognitionfromalow-resolutionimage,throughanalysisofexistingtheoriesandmethods,hasreceivedthefollowingnewimprovedalgorithm:(1)Thegenerallicenseplateima
4、geexistsimagedegradationphenomenon,afterpretreatmentimagecouldstillbeunabletoidentifyorsubstantiallyreducetherecognitionaccuracy,soitisnecessarytoimprovetheimageresolutioninordertoimprovetheimagequality.Improvementsinimagespatialresolutiondependsprimarilyonsup
5、er-resolutiontechniques,thepaperonthevarioussuper-resolutionmethodswerestudiedandcompared,Presentsamethodbasedonwaveletdomainofsuper-resolutionimprovedalgorithmforimagerestoration.(2)Super-resolutionmethodscangethigh-resolutionimages,throughanalysisofpointsmot
6、ionestimationbetweenthelicenseplateimagesequence,andthemotioncompensationwealsocangetsuper-resolutionplateimages.Thispaperpresentssuper-resolutionandmotionestimationalgorithm,thealgorithmleadstoagoodresult,throughthelow-resolutionimagesmotionestimationandthehi
7、gh-resolutionimagesmotioncompensation.KEYWORDS:PlateLicenseRecognition,Super-resolution,MotionEstimationii僦々T*wJEln^}xjI№m月#*J日㈣!∞女％．月#mF*m^##“‘㈣㈣zP{呲i¨qⅧ$$％干版丰：㈣删㈨㈣$"自r№Ir}Ⅲ*_；¨％q¨“㈣舭千聪憬徽㈣栅帅*＆女HⅡnm$■{tlez十㈣㈣MmJ№*-㈨榭捕㈣㈣删1“#目L*☆撇∞Ⅱ0“}1Ur№．m圳wm¨㈣mF学橙可㈣Ⅲ目*女∞∞n^±∞
8、n#】_iJ#t】^“‘㈣㈨蝴《n日Ⅷ{《*＆*)‘磊}乎川川河北工业大学硕士学位论文第一章绪论伴随着世界各国汽车数量的增加，城市交通状况日益受到人们的重视。如何有效地进行交通管理，越来越成为各国政府和有关部门所关注的焦点。针对此问题，人们运用新的科学技术，相继研制开发出各种交通道路监视、管理系统，这些系统一般都包括车辆检测装置，通过这些装置对过往车辆实施检
