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1、基于形态学和神经网络的车牌识别算法(Licenseplaterecognitionalgorithmbasedonmorphologyandneuralnetwork)Twenty-fifthvolume,thirdissueSeptember2001JournalofWuhanUniversityofTechnology(trafficscienceandEngineering)Journal,of,Wuhan,University,of,Technology(Transportation,Science,&Engineering)V
2、ol.25No.3September2001A,Recognition,of,Vehicle,plate,withMathematical,Morphology,and,Neural,NetworksYang,Jie,Li,Xu,Guo,Wei(College,of,Information,Technology,WUT,Wuhan430063)Abstract:Requirement,of,automatic,recognition,of,vehicle,license,numbers,from,,their,plates,isIncr
3、easing,for,social,services,such,as,traffic,control,and,collection,,motor-way,charges.,This,paperProposes,an,algorithm,based,on,mathematical,morphology,operations,to,detect,,the,region,of,aVehicle,licence,plate,from,an,image.,uniqueness,of,this,algorithm,The,in,comparison
4、,with,otherApproaches,to,this,problem,is,that,there,are,no,special,restrictions,,imposed,on,the,images.,inputAutomatic,recognition,and,classification,based,on,feedward,three,layers,neural,,networks,are,used.All,algorithms,in,the,paper,are,verified,at,,computer,and,,exper
5、imental,results,are,efficient,forRecognitionandclassification.Keywords:mathematicalmorphology;neuralnetworks;recognition0IntroductionTraffic,engineers,and,the,police,often,wishTo,able,to,uniquely,identify,road,vehicles,atDifferent,points,in,a,road,network,for,reasons,Suc
6、has:1)automatic,toll-collection,road,pricingSchemes,and,operation,of,car,parks,for,revenueCollection;())fleet,control,for,monitoring,and,Optimizing,the,movements,of,particular,types,ofVehicles;3)speed,and,weight-limit,enforcementPurposes;4)crimedetection/prevention;5)tra
7、ffic,data,collection,etc.Until,quite,recently,vehicle,identificationHas,largely,been,a,labor-intensive,manualActivity,aided,where,possible,byElectromechanicalactuators.WiththeContinuing,increase,in,volume,of,road,traffic,Such,manual,techniques,have,proved,impractical.Imp
8、rovements,in,electronic,sensor,technologyHave,allowed,for,the,development,of,automaticVehicleidentifica