智能交通中车辆检测与跟踪技术的研究

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1、大连海事大学硕士学位论文智能交通中车辆检测与跟踪技术的研究姓名：张淼申请学位级别：硕士专业：电路与系统指导教师：董辉20080301英文摘要TheResearchonDetectionandTrackingTechniquesforMovingVehiclesinIntelligentTransportationSystemAbstraotEffectivedetectionandreal—timetrackingofmovingvehiclesinIntelligentTransportationSystem(ITS)i

2、sthepremiseofbehavioranalysisandbehaviorjudgmentofmovingvehicles．Itcallreal·timeaccuratelyprovidethetrafficflowdataofmonitoringroad-；prepartngforthesubsequentspecifictreatment，suchasfinishingandcalculationthecorrelationdataoftrafficflow，earlywarningsuddenaccidents

3、，wholeplanningtransportationsystem，inordertoimprovethetrafficenvironment,relievethetrafficjam，raisethe．roadefficiency，raisetheefficiencyofsolvingproblems．ThemainresearchaimofdetectionandtrackingformovingvehiclesinITSishowtoraisetheaccuracydfdetectionandtrackingalg

4、orithmformovingvehicles，theresponsespeedandtheanti·interferenceability．ThisthesisresearchesthedetectionandtrackingformovingvehiclesiniTS，anddesignsareal—timedetectionandtrackingalgorithmformovingvehiclesbasedonsummingupandanalyzingtheexistingmethods．Inthisalgorith

5、m，basedonestablishingthetrafficfieldbackgroundmodel，themovingvehiGlesarepickedoutbyusingthebackgroundIdifferencemethod·AccordingtotheprincipleofKalmanfiltering，thetargetvehicleistracked．Inthisthesis，afastestimationandadaptiveupdatingbackgroundmodelispresented．Itsb

6、asicideais：atfirst，theinitialbackgroundis’fastestablishedbyusingthestatisticalmethod；then，throughanalyzingthevaluecharacteristicofbackgroundpixelandprospectpixelintrafficfield，thehistogramofdifferentialimageisusedtodynamicobtainthethresholdvalue，andthecurrentinsta

7、ntaneousbackgroundimageisestablished；basedontheabove，theupdatingalgorithm，whichisaweightedaveragingmethodofthecurrentinstantanousbackgroundimageandthefrontbackgroundimage，isusedtoestimatethecurrentbackgroundimage．英文摘要’Inthisthesis，parameterssettingofavehicletracki

8、ngmodelbasedonKalmanfilteringisdetermined．Atfirst，thevehiclemotionsystemisanalyzed,andsystemstateequationandmeasurementequationareestablished．Then，based