基于視頻的交通信息采集與路口自適應控制研究.pdf

1、圈“分類號單位代碼：11903學號03720980上海大學工學碩士學位論文基于視頻的交通信息采集與路口自適應控制研究姓名：鮑偉華導師：陳泉林副教授時間：2006年1月上海大學通信與信息工程學院二00六年一月一k海大學碩L學位論文ABSTRACTIntelligenttransporatationsystem(ITS)isthemosteffectivesolutiontothegrowingurbantrafficjamaccompan

2、yingwiththeeconomicdevelopmentTraffncinformationcollectionsystemisthefundanmentandpreconditionfortra伍cmanagementsysteminITSCamparedtootherkindsoftrafficinformationdetectors，video—basedtrafficinformationdetectorcombinesth

3、eadvantagesofabundantinformation，lowinstallationcostandlowmaintancecostSothefirstpartofthethesisaimstoresearchonthetechnologiesrelativetovideobaseddetectorandcreateoneprototypeThemaintaskfortheauthoristocombinethehardwar

4、eplatformwiththealgorithmvalidationplatform，whicharebothcreatedintheearlyphaseoftheproject，orexplicitlydesigninganddebuggingonsomemodulesofthesystem，system—leveldebuggingandoptimization，portingadaptivebackgroundupdatinga

5、lgorithmandtrafficvolumedetectivealgorithmfromalgorithmvalidationplatformtothehardwareplatformToimprovethereal—timeperformanceoftheprototype，adesignonparallelcomputebetweenARMandDSPisintroducedAftertherealizationofvideo—

6、basedtrafficinformationdetectorthesecondpartofthethesisfocusesonresearchingonthetrafficsignalcontroltechnologiesTocompensateforthedeficiencyindynamicresponseperformanceofcurrenttrafficsignaltimingschemeforbuspriorityanew

7、schemeforbuspriorityatislatedintersections，whichtakestra伍cvolumeasinput，iscarriedoutThetheoreticalfundamentandalgorithmflowofthenewschemeareintroducedindetailandtheexpefiementresultsshowthatthenewschemehasbetterdynamicre

8、sponseperformancewhileremainingthestaticresponseperformanceofcurrentoneTherealizationconditionsoftheschemeisalsoanalysedinthisthesisInthelastpartofthethesis，alltheresearchworkisreviewedandconcludedTwohardwareupgradingsch

9、emesforcurrentvideo—basedtrafficinformationdetectorareputforward，andtheapplicationtothetrafficnetworkcontrolsystemofthenewtrafficsignaltimingschemeisimaginedKeywords：TrafficInformationCollection，DigitalImageProcess，Vehic