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:2007202227;:2007204210:(40401038);;(D200403):(19852),,,,(hjsul@163.com);(19752),,,,;(19652),,,,GIS.31,2,1(1.,210046;2.,221008):,:,,(OBI),:;;:TP751:A:100123695(2008)0421093204StudyonbandselectionalgorithmsofhyperspectralimagedataSUHong2jun1,DUPei2jun2,SHENGYe2hua1(1.KeyLaboratoryofVirtualGeographicEnvironment,NanjingNormalUniversity,Nanjing210046,China;2.Dept.ofGeographicInformation&RemoteSensingScience,ChinaUniversityofMining&Technology,XuzhouJiangsu221008,China)Abstract:BasedonthecharacteristicoftheHRSimagedata,themethodofdimensionalityreductionwasdiscussed.Andthensomekeyalgorithmssuchasjointentropy,optimalindexfactor,auto2subspacepartition,adaptivebandselection,bandindexandoptimalbandindexwereanalyzed.Inaddition,theeffectivity,shortageandcomplexitybetweendifferentalgorithmswerediscussedandcompared.Accordingtotheshortageofbandindex,thenewbandselectionmethodwhichnamedoptimalbandindex(OBI)wasproposed.Atlast,thefeasibilityofproposedmethodswasprovedbyexperimentresults.Keywords:hyperspectralimage;bandselection;featureextractionandselection20,,,,;,[13],,,,,,,,[4],,:,;,,(PCA)(CA)[5],,,[6],:,(OIF);,B,E.Arzua2ga2Cruz[7](informationdi2vergencebandsubsetselection,IDSS),,Paskaleva[8],25420084ApplicationResearchofComputersVol.25No.4Apr.2008©1994-2010ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.[9](linearconstrainedbandselection,LCBS),,P.Bajcsy[10],,,;,,,:;;[1113]1:;,,,,RGB,,N,N:,;N1,,;,,iH(i),,H(i1,i1,i3),,N,,,,,1,,;,,Chavez[14]1982N:OIF=ni=1Si/ni=1ni=i+1|Ri,j|(1):Sii;Ri,jijn3,OIF,,,;,OIF,40min12,,,[15],;,,,[16],[15],,,,,,Ri,j=nk=1(xik-x)(yik-y)/nk=1(xik-x)2nk=1(yik-y)2(2):Ri,jxiyi;xikyikk;n;xyxiyi(2),1,OIF,[5]OIF,:Ij=Si/[(Ri-1,i+Ri,j+1)/2](3):Sii;Ri-1,iRi,i+1ii;Iji490125©1994-2010ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.[12],,,N,k,n1,n2,n3,,nk;:Pi=i/Ri(4)Ri=Rw+Ra(5):ii;Rwi;Rai,,,,1,,,,,Ra,,,,:,;(doubleblanketme2thod,DBM)[17]:(X,Y),,,K;D=210-K,:OBCi=i/Rs,i(6):OBCii;ii;Rs,ii,,1(operationalmodulerimagingspec2trometer,OMIS)64536512,4601100nm,10nm:401262377N,1161258722E2(122420)(),;,3:;1,,;,N101,,3545,,,,,59014,:©1994-2010ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.()JEOIFASPABS145,42,4318,24,2820,24,1228,1,3244,42,4318,24,2724,63,1228,1,2345,43,4418,27,2820,63,1228,2,3446,42,4318,23,2424,63,2028,1,4543,39,4217,24,2828,3,4646,43,4518,24,2928,2,4743,41,4218,24,3724,1,3845,42,446,24,2824,1,2945,39,439,24,2824,2,31043,26,4218,23,2824,1,4,1263,,,,,,1,NNN(,N=10)2102N()ABSBIOBIABSBIOBI12421246201522228202872114203231827818162142719239291329522171810372437:ABSOBI,10,2019,;BIABSOBC,104,201516,,5ABS94710668431136;OBI94710667941514;BI81216197031881;,,,,,,,,,:[1],.[M].:,2005.[2].[M].:,2003.[3],.[M].:,2000.[4],.[M].:,2000.[5],,.[J].,2005,10(2):2182222.[6],,.[J].,2006,29(1):1432149.[7]ARZUAGA2CRUZE,JIMENEZ2RODRIGUEZLO,V*LEZ2REYESM.Unsupervisedfeatureextractionandbandsubsetselectiontech2niquesbasedonrelativeentropycriteriaforhyperspectraldataanalysis[C]//ProcofSPIEAlgorithmandTechnologiesforMultispectral,Hyperspectral,andUltrospectralImagery.2003:4622473.[8]PASKALEVAB,HAYATM.Optimizedalgorithmforspectralbandselectionforrock2typeclassification[C]//ProcofSPIEPefenseandSecurityConference,AlgorithmandTechnologiesforMultispectral,Hgperspectral,andUltrospectralImagery.Orlando:[s.n.],2005:1312138.[9]WANGSu,CHANGCI.Linearlyconstrainedbandselectionforhy2perspectralimagery[C]//ProcofSPIEAlgorithmandTechnologiesforMultispectral,Hyperspectral,andUltrospectralImagery.2006.[10]BAJCSYP,GROVESP.Methodologyforhyperspectralbandselec2tion[J].PhotogrammetricEngineeringandRemoteSensingJournal,2004,70(7):7932802.[11],.[J].,2004,5:28236.[12],,.[J].,2000,23(3):2142220.[13],,,.[J].,2006,3:10213,21.[14]CHACVEZPS,BERLINGL,SOWERSLB.StatisticalmethodforselectinglandsatMSSratios[J].JournalofAppliedPhotographicEngineering,1982,1(8):23230.[15]GUYan2feng,ZHANGYe.Unsupervisedsubspacelinearspectralmixtureanalysisforhyperspectralimages[C]//ProcofInternationalConferenceonImageProcessing.2003:8012804.[16],,.[J].,2005,27(6):9742977.[17],,,.IKONOS[J].,2005,5:15218.690125©1994-2010ChinaAcademicJournalElectronicPublishingHouse.Allrightsreserved.