一种改进的高分辨率遥感影像分割方法

353Vol.35No.320105EarthScienceJournalofChinaUniversityofGeosciencesMay2010doi:10.3799/dqkx.2010.050:(No.NCET20720772);863(No.2007AA120503).:(1980-),,,.E2mail:[e-mail]1,2,1,2,1,2,1,21.,4300742.,430074:,,..,,,.:;;;;.:TP311:1000-2383(2010)03-0421-05:2010-01-15AnImprovedMethodofHigh2ResolutionRemoteSenseImageSegmentationGAOWei1,2,LIUXiu2guo1,2,PENGPan1,2,CHENQi2hao1,21.FacultyofInformationEngineering,ChinaUniversityofGeosciences,Wuhan430074,China2.EngineeringResearchCenterforGISSoftwareandApplications,MinistryofEducation,Wuhan430074,ChinaAbstract:Fractalnetevolutionapproach(FNEA)isarelativelymatureoneamongtheobject2orientedimagesegmentationalgo2rithms,butitsefficiencyistobeimproved.Quad2Treesegmentationisakindofeffectiveimagesegmentationmethod.Inthispaper,animprovedobjectorientedmulti2scaleimagesegmentationmethodbasedonthequad2treepre2segmentationandFNEAisintroduced.TheexperimentshowsthattheeffectofitssegmentationresultisalmostthesameasthatoftraditionalFNEAmethod.Moreover,Itsavestime.Keywords:imagesegmentation;fractalnetevolutionapproach;high2nesolutionremotesense;quad2tree;geographicinforma2tionsystem(GIS).0,IKONOSQuick2Bird(,2006).,,,,,,,..,(Chenetal.,2009).,,,,(BlaschkeandHay,2001;,2002).,,,.(BaatzandSchape,352000),,eCognition.,,..1(fractalnetevolutionap2proach,FNEA),,,(BlaschkeandHay,2001).11(a)2(b)Fig.1Theresultofthefirstsegmentation(a)andthesecondsegmentation(b)FNEA.,,.d,f1df2d,(BlaschkeandHay,2001):h=6d(f1d-f2d)2.(1).(2),fd(BlaschkeandHay,2001):h=6d(f1d-f2dfd)2.(2).,,.,,.1(,2007),,.1;2,.,,,.1,,,,,..2FNEA,(Huetal.,2005).(,2004).,4,4(,2005).42243:2Fig.2Sketchofthequad2treesegmentationprocess3Fig.3Comparebetweentraditionalandtheimprovedseg2mentationprocess,,,,,4,..2(,2007).,;(,2004).4,,,,.(Chenetal.,2006).,,FNEA,FNEA.,.:,,.3(Pengetal.,2009).3,MapGIS,.3SPOT5,2.5m,8.,.,10241024(4).1.1,,FNEA,,FNEA,.,.:4,,,,.,FNEA,,,(4d).,.,,FNEA.,:,FNEA,324354(a)FNEA(b)45500.2(c)60500.2(d)Fig.4Originalimage(a)andthetraditionalsegmentationresultsbasedonFNEA(b)andtheresultbasedonquad2tree(threshold:45)(c)andtheresultbasedonquad2tree(threshold:60)(d)1Table1Experienceanalysis(s)FNEA18.49:50,:0.2FNEA10.178.95:45:50,:0.2:60:50,:0.2,.,,.,.4(FNEA),.,,FNEA,,.,.ReferencesBaatz,M.,Schape,A.,2000.Multiresolutionsegmentation:anoptimizationapproachforhighqualitymultiscaleim2agesegmentation.In:Strobl,J.,Blaschke,T.,Grieseb2ner,G.,eds.,Angewandtegeographischeinformations2verarbeitung.Wichmann2Verlag.Heidelberg,12-23.Blaschke,T.,Hay,G.J.,2001.Object2orientedimageanaly2sisandscale2space:theoryandmethodsformodelingandevaluatengmulti2scalelandscapestructure.Interna24243:tionalArchivesofPhotogrammetryandRemoteSens2ing,34:22-29.Chen,Q.H.,2007.Researchandrealizationofmulti2sourcesremotesensingdataonobjectoriented(Dissertation).ChinaUniversityofGeosciences,Wuhan(inChinese).Chen,Q.H.,Liu,X.G.,Gao,W.,etal.,2009.Afastandefficienthighspatialresolutionmulti2scaleimageseg2mentationstrategy.The2ndInternationalConferenceonEarthObservationforGlobalChanges,Chengdu.Chen,Z.,Zhao.Z.,Gong,P.,etal.,2006.Anewprocessforthesegmentationofhighresolutionremotesensingim2agery.InternationalJournalofRemoteSensing,27(22):4991-5001.doi:10.1080/0143116060658131Gao,W.,2006.Imagefusionbasedontrouswavelettrans2from.EarthScienceJournalofChinaUniversityofGeosciences,31(Suppl.):132-135(inChinesewithEnglishabstract).Hu,X.Y.,Tao,C.V.,Prenzel,B.,2005.Automaticsegmen2tationofhigh2resolutionsatelliteimagerybyintegratingtexture,intensityandcolorfeatures.PhotogrammetricEngineeringandRemoteSensing,71(12):1399-1406.Lu,G.X.,Zhou,D.W.,Wang,J.L.,etal.,2002.Geologicalinformationextractingfromremotesensingimageincomplexarea:basedonwaveletanalysisforautomaticimagesegmentation.EarthScienceJournalofChinaUniversityofGeosciences,27(1):50-54(inChinesewithEnglishabstract).Mo,D.K.,Lin,H.,2005.Arobustapproachtowardhighresolutionremotesensingimagesegmentation.In:ChinaSocietyofImageandGraphics,ed.,The12thnationalconferenceonimageandgraphics(NCIG2005).Beijing,244-249(inChinese).Peng,P.,Liu,X.G.,Gao,W.,etal.,2009.Animprovedstrategyforobject2orientedmulti2scaleremotesensingimagesegmentation,ICISE2009,Nanjing.doi:10.1109/ICISE.2009.280Ren,X.F.,Ji,G.R.,Ji,G.Y.,2007.Improvedfractralimagecodingapproachbasedonquadtreepartition.Control&Automation,23(10-3):291-293(inChinesewithEnglishabstract).Song,Y.B.,Zhang,B.Q.,Hao,Y.P.,2004.Quad2tree2ba2singstructureimagesegmenttechnology.OrdnanceIn2dustryAutomation,23(6):63-64,69(inChinesewithEnglishabstract).,2007.(),:.,2006.IKONOS.,31():132-135.,,,,2002..,27(1):50-54.,,2005..:..,244-249.,,,2007..,23(10-3):291-293.,,,2004..,23(6):63-64,69.524