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ID:36441728
大小:5.71 MB
页数:65页
时间:2019-05-10
《基于视频的车辆违禁压线检测的研究与实现》由会员上传分享,免费在线阅读,更多相关内容在学术论文-天天文库。
1、江苏大学硕士学位论文基于视频的车辆违禁压线检测的研究与实现姓名:赵文东申请学位级别:硕士专业:计算机技术指导教师:詹永照20080609江苏大学工程硕士学位论文AbstractWiththerapiddevelopmentofsocietyandeconomyandtheenlargementofcityscale.cityhighwaytrafficsystemhasbecomemoreandmorecomplex.Inrecentyears,trafficincreasehasspeededupmuchfasterthallthatofhighwayandothertransportati
2、onfacilities,whichresultintramCjamandaccident,environmentpollutionandenergywastemoresevere.Bymeansofautomaticsupervisorytotraf!fiCcandecreasetr棚Caccidentsefficently.Therefore,ithasbeenallimportanttasktodesignvideosupervisorycontrolsystemforthetransportationprohibitionareabymakinguseofcomputertechnol
3、ogy,multimediatechnologyandcommunicationcomprehensively.ThroughthedeepanalysisofIntelligenceTransportationSystem,thisthesisintroducesdomesticstatusofITStechnology.Afterobjectivecomparisonandanalysisoftheexistingvideosupervisorycontrolsystem,thekeytechnologiessuchasimageprocessingandrecognitionwillbe
4、improved.LocalmatchalgorithmbasedonimagemaskingwillbeproposedSOastOrealizedetectionofincumbencyoftheyellowlineofthevehicle,andthesystemofvehiclepressingyellowlinedetectionwillbedeveloped.Thethesiscontainsseveraltasksasfollowing:(1)Weproposeimagesegmentationmethodbasedonexampleimages.Accordingtothefe
5、atureoftransportationpathyellowline,weadoptsegmentationmethodbasedonwavelet仃ansformation.WeusefirstandsecondorderderivativesofGuassianfunctionaswaveletbase,anduseMalletalgorithmtOdecomposeimage.Maroperatorisadoptedtodetectimageboundarymultiscalely,.Wealsodesignasimpleandefficientmethodtoinitializeye
6、llolinelocationmanually,whichcangetridofbackground,reducedetectarea.(2)Accordingtopressinglinerecognitionofthesingleframeimage,weproposelocalmatchalgorithmbasedonimagemasking,takingoneflameimageofnon-vehicleslinepressingastemplate.Itcomparestimelysnapshotimagewithtemplateyellowlineregion,t0iudgewhet
7、herthevehiclespressthelineornot.Theresultindicatesthatthisalgorithmcanobtainabetterrecognitionresultandquickerspeed.(3)weproposerenewingmethodofthedynamictemplateinordertoavoidingmisjudgecausedbyother
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