基于视频的公交车辆检测算法研究及应用

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1、中山大学硕士学位论文基于视频的公交车辆检测算法研究及应用姓名：肖敬文申请学位级别：硕士专业：交通信息工程及控制指导教师：余志20060608AbstractBusplaysakeyroleinpassengertransportincitytransit．Themonitoringmanagementofbusstationistheimportantpartofthetrafficmanagementofthecity．Toachieveintelligentmonitoringmanagementofthebusstation，thedetection

2、ofbusisneededfirstly．Thevideo-basedvehicledetectionhasbecomeahotspotinthefieldofvehicledetectioninrecentyears．However,thevideo-basedvehicledetectionalgorithmforbusrunninginstationisrarelystudied，andtherearenovideo—basedvehicledetectionalgorithmsthatarespecialandeffectiveforbusrunn

3、inginstation．ThegoalofthisthesisistOfindsomesuitablevideo-basedvehicledetectionalgorithmsforbusrunninginstationundertwokindsofconditions：adequateluminanceinthedaytimeandinadequateluminanceinthenighttime．Fortheconditionofadequateluminanceinthedaytime，byabstractingthegeometrycharact

4、erWhichdenotesthewidthofthebusandtheCOlorcharacterwhichdenotestheCOlotofthebuslicenseplate，thisthesispresentsadetectionalgorithmbasedongeometryandcolorcharacter；Fortheconditionofinadequateluminanceinthenighttime，byabstractingthewhitecolor-connecteddomainwhichdenotestheheadlightoft

5、hebus，thisthesispresentsadetectionalgorithmbasedoncolor-connecteddomain．ThesetwoalgorithmsareappliedinintelligentmonitoringsystemofZhongshanBalubusstationinGuangzhou．Theapplicationshowsthat：Intheconditionofadequateluminanceinthedaytime，thedetectionalgorithmbasedongeometryandcolorc

6、haracteriseffectiveforbusdetection，andit’Scharacterizedbygoodreal-time，highdetectionrateandstrongrobustness；Intheconditionofinadequateluminanceinthenighttime，thedetectionalgorithmbasedoncolor-connecteddomainispracticalandefficientforbusdetection，andit'scharacterizedbylowcomplexdeg

7、ree，goodreal—time，highdetectionrateandlowredundancyrate．Inaddition，aftermodifyingthealgorithmsandadjustingthedetectionparametersofthealgorithms，thetwoalgorithmscanalsobeusedtodetectvehicleonfreeway,mainroadincityandSOon．Keyword：Bus，Intelligenttransportsystem，Video—basedvehicledete

8、ction第一章引言随着社会经济的发展，交通运输业也迅速发展。交通