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1、I£yIflZo?≈⑨天津大謦中目*代第一所^{碩士學位論文__用啊啊N日
2、喁t舟I■啊a__學科專業(yè):系統(tǒng)工程作者姓名:韋忠升指導教師:馬壽峰教授干津十堂{#窯畢瞬2006年6月ABSTRACTTheTraditionalStatisticsisagradualtheorywhichtheamountofspecimenistendingtoinfinite,whileStatisticalLearningTheory(SLT)isatheoryattheconditionofsmallspecimenamount.Since
3、thespecimenamountisalwayslimitedinreality,SLThasitstheoreticaladvantage.BasedonSLTandStructure砌skMinimum(SgM)principle,SupportVectorMachine(SVM)isnotonlysimpleinstructure,butalsohas900dgeneralizationability.SoSVMhasgraduallybecomeoneofhotspotissuesinthefieldofmachine
4、learning.Withtherapiddevelopmentofcommunication.informationscience&electronicengineeringandcomputertechnology,IntelligenceTransportSystem(ITS)hasbeenattachedextensiveimportanceincreasingly,thusputforwardagreaterdemandontechnologiesinmanyfields,suchasrecognitionofvehi
5、cle-typeandvehicle—plate,predictionoftrafficflowete.Thepurposeofthisarticleisto,basedontheSVM,conductresearchonbasicmethodsofmodelidentificationandregressiveanalysis,andtheirapplicationstoITS.Thisarticleincludesthefollowingmaintasksandexistingachievements:I.Basedonth
6、eProximalSVM,thisthesisdrewupontheideaofincrementallearningalgorithmandthesolutionofimbalanceintrainingspecimenamount缸differentsorts,laterdefinedanewkindofweiightedcoefficientmatrix,putforthamulti—classclassificationalgorithmofbalancedandincrement.Experimentalresults
7、haveshowedthatthisalgorithmhasfairlyhighstabilityandclassificationaccuracy.2.Byconductingresearchonseveralmulti-classclassificationalgorithms,summarizingtheirmeritsanddemeritsandcombiningwithtechnologyofHuffmanTree,thisdissertationbroughtforwardamulti-classclassifica
8、tionalgorithmwhichisbasedonHuffmanDecisionTree.Lateronconductedsimulativeexperimentsonmanyopeneddatabases,haveprovedthatalgorithmisnotonlywithrelativelyhighclassificationaccuracy,butalsowithveryhightrainingefficiency.3.Firstly,weconductedrelativelysystematicresearcho
9、ntheoryandrealizationofSupportVectorRegression,thenanalyzedthemeritsanddemeritsofv—svg,andfurtherputfonllthev-ESVRalgorithm.Finally