复杂环境下交通标志的检测

《复杂环境下交通标志的检测》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、万方数据山东大学硕士学位论文ABSTRACTInrecentyears，intelligenttransportationsyStem(IntelligentTransportationSystem，ITS)hasarousedmoreandmoreinterestandattention．Thesystemcanreducepeople'sdrivingpressure，makepeopletravelmorefreedom，security,andreliability．Asanecessa

2、rypartofITS，TrafficSignsDetectionandRecognitionSystem(TrafficSignsDetectionandRecognitionSystem)isareliableguaranteeforintelligentvehicleordrivergettrafficinformationoutside．Trafficsignsdetectionisthekeytoidentify,real—timedetectionofregionofinterest

3、accuratelywilllayagoodfoundationforidentification．Fortheimagevehiclecapturedundertherunningstateint，hecomplexexternalenvironment，itrequirespreprocessingstagetoensuretheaccuracyofdetection．Thispaperfirstaimsatthemotiondeblurringandfogdehazingandthenth

4、edetectionofsignsTheproblemofimagedeblurringdividedintotwoclasses，uniformlinearmotionblurrestorationandnonuniformlinearmotionblurrestoration．Fortheformer,introducesthecommonmethodtoestimatethedirectionandscaleoftheblurkernelandthebasicalgorithmofimag

5、erestoration．Forthelatterweimprovetheblurkernelestimationusingstrongedgealgorithm．DenoisingwithguidedfiltersandoperationinR，G，Bthreechannel，ThealgorithmCandealdirectly埘thcolorimagesAtthecostofincreasedlesscomputation，Therestorationresultkeepstheimage

6、colorinformation．Fortheproblemofimagedehazingthispaperadoptsthelatestresearchresultsofimagedehazingarea，dehazingusingDarkChannelPriorPriori．IntheaspectsofoptimizingtransmissionfunctionputforwardthemethodofcombiningguidedfilteringandLinearinterpolatio

7、nAfternaturalimagespreprocessing，linksintothetrafficsigndetection，thispaperisdividedintotwosteps：(1)Forthered，blue，yellowthreecolorsestablishtwodimensionalnormaldistributionmodelfortheIcomponentandQcomponentinYIQcolorspace，III万方数据山东大学硕士学位论文calculatet

8、heconformityofapixelforthethreemodelstocompletethesegmentationofcolor，Thenthemorphologyprocessing，getthetwovalueimageastheinitialinterestregions(2)SelectHumomentinvariantsfeatureswhicharerobustnesstoshapesize，rotationandangle．GettheHumomentinvariants