资源描述：
《A novel approach for crowd video monitoring of subway platforms (1).pdf》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、Optik124(2013)5301–5306ContentslistsavailableatScienceDirectOptikjournalhomepage:www.elsevier.de/ijleoAnovelapproachforcrowdvideomonitoringofsubwayplatformsXuemina,∗bbbHu,HongZheng,WenweiWang,XiLiaSchoolofPhysicsandElectronics,HubeiUniversity,368Youy
2、iAvenue,Wuhan,Hubei430062,ChinabLabforImageProcessingandIntelligentSystems,SchoolofElectronicInformation,WuhanUniversity,129LuoyunRoad,Wuhan,Hubei430072,ChinaarticleinfoabstractArticlehistory:Crowdmonitoringinadensecrowdscenehasbecomeanimportantandch
3、allengingtopicinthefieldofReceived16October2012videosurveillancesystem.ThispaperproposesanovelcrowdmonitoringapproachforsubwayplatformsAccepted18March2013toaddressrequirementsinrailtrafficmanagement.Firstly,animprovementforMixtureGaussianback-groundmod
4、elingispresentedtosegmentthecrowd.Intheprocessoffeatureextraction,theconceptoftheweightedareaisproposedtosolvetheproblemoftheperspectiveofimages.TodealwiththeissueKeywords:oftheocclusionbetweenindividuals,animprovedgradientfeatureisdevelopedinthispap
5、er.Andthen,SubwayplatformAdaptiveBoostclassifierwiththefeatureweightedareaandtheimprovedgradientisusedtoestimateWeightedareathegradientcrowddensity.Finally,thecrowdiscountedbythemethodoflinearregression.TheexperimentalImprovedresultsshowthatthepropose
6、dapproachisfeasibleandeffectiveforcrowdmonitoringinrealsubwayDensityestimationplatforms.Crowdcounting©2013ElsevierGmbH.Allrightsreserved.1.Introductionispoorforanexcessivelydensecrowdbecauseoftheocclusionbetweenindividuals.Withtheaccelerationofurbani
7、zation,moreandmorepeoplegoAnotherisbasedonastatisticalgorithmwithglobalorlocaltocitiesforlivelihood,placingtremendouspressureonthecities’features,suchastextures,gradient,area,edgefeaturepoints.Chowinfrastructures.Denselycrowdedplaces,suchassubwaystat
8、ions,andChow[7],Maranaetal.[8]andWuetal.[9]didsomeresearchesareusuallyverycongested,whichhaveanegativeeffectonthepeo-incrowddensityestimation.Ryanetal.[10]andChanetal.[11]pro-pleontheway.Moreover,disastersarepronetohappeninginsuchposedacrowdcountinga
