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ID:36456923
大小:2.30 MB
页数:67页
时间:2019-05-10
《基于图象的数据挖掘方法研究》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、西北工业大学硕士学位论文基于图象的数据挖掘方法研究姓名:段锋申请学位级别:硕士专业:计算机应用技术指导教师:张艳宁20030301基于匿象的数据挖掘方法研究西北工业大学硕士学位论文ABRSTRACTThedevelopingtrendoftheDataMiningisdiverse,whichtheflexibiiityofthetechnicofthedataminingisknownclearlY.Sincetheimprovementoftheeraoftheinformation.moretechniciswidelvinter
2、infiltratedwhichinvolvedthedatamining.Inthispaper,thetechnicofthedataminingisusedinthefieldoftheimageprocessing.Lotsoftheresearchingworkhasbeendone,whichcombinethetechnicofthedataminingtothetechnicoftheimageprocessing,tosolvetheprobleminremotesenseimageprocessing.Themode
3、lofthedataminingbasedonimagehasbeenbuiltandeverystepinthemodelhasbeenanalyzedtheoreticallyandappliedinreality.Themaincontentsofthisthesisaresummarizedasf01low:(1)ThecourseofthedataminingdevelopmentisreviewedandtherolewhichthedataminingplayedinKDDisdefinite.Thecomponentsh
4、asbeenclassifiedaccordingtothetaskofthedatamining.andineachcomponentthetechnichasbeensummarized.ThemodelwhichapplYtoimagedataminingisproposedbasedonthesecomponents.(2)Theimagedatareductionisveryimportantinremotesenseimageprocessing,twomethodsindatareductionproposedinthis
5、paper,whichoneisbasedonwavelettheoryandtheotherisbasedonclusteringanalysis.Themethodbasedonwavelettheoryisdiscussedintherespectoftherelationbetweenthewaveletfilterandthelinearf订ter.The9/7waveletliftingalgorithm.whichistheBiorthogonalwavelethasthelinearphasic,isappliedint
6、hereductionandhasagoodresult.Themethodbasedonclusteringanalysisputtheimageintosubimagebythequartertreemethodaccordingtothelocalcharacteristic,andinthesubimagefinishingclustering.Basedonthecenterofthesubimageclusteringwedotheclusteringtogettheclusteringonthewholeimage.(3)
7、Thedistributionandthedirectionintextureisdiscussed.Thetexturesegmentationmethodwhichbasedontheself—adaptedtexturewindowsselectedisproposed.TheGaborfilterisusedtoextractthecharacteristics.Inthismethod.thejetwhichisakindofthemulti-scaledanalysismethodsisused.andgetagoodres
8、ult.GMRFisakindofsegmentationmethodswhichcombinegraycharacteristieandtexturecharacteristicasitscharacte
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