ETM_TM_蚀变遥感异常提取方法研究与应用_方法选择和技术流程

ETM+(TM),,(,100083):;;,;,,:;;;;:TP753:A:1001-070X(2003)02-0044-060,[17](),139/31135/35137/39ETM+TM,3,,3,139/31,,3,,3(),,11.11.1.1,,,(6),(6)(6)2TM,TM5TM7TM5,TM71.1.2,,36,,;/,6:;,();,,3(),,,(6),,(6),:2002-04-28;:2003-04-02:(200215000008)2,56No.2,20032003615REMOTESENSINGFORLAND&RESOURCESJun.,2003,,(6)1.21.2.1(5403604),1801804,2554TM1TM4TM5TM7,0TM,(1801801),(TestImage)0255,,,6([6]),6TM1TM4TM5TM71.2.24,,2,3,4,7,,(7),,5,TM5TM722.1(RM)(1),,,(1),()(2),,,;TM5-TM7TM5+TM701/3,,(2)12(,1992)(3)(3,6)3,,,2.2(SAM),,,(),POP,(4),4[9],,=arccos(,)||||(1),(,)n,,||||,,,542,:ETM+(TM),(139/31);,(137/39)2.3(PCA)2.3.1,,,,,TMPCA,,TM1TM4TM5TM74PCA,:,TM5TM7TM4,TM1TM5[7],,TM1TM3TM4TM54PCA,:,TM3TM1TM4,TM3TM5,,,2.3.2PCAPCA,(TM1TM4TM5TM7)(TM1TM3TM4TM5),4[37],,,,,PCA,PCA?,()(10202554),2552554,TM1TM4TM5TM7,PCA,()()(),8,,,PCA,(25514),PCA,0.01%,0.00%(1),,,(1/41/255=1/1020),,PCA1/%TM1TM4TM5TM725516.29964.03730.19%-0.053640.31007-0.756230.5736612711.63843.41150.15%0.05296-0.334560.76861-0.54268637.31882.70530.10%0.05454-0.353210.77960-0.51429314.02872.00720.05%0.05516-0.362030.78524-0.49930152.07861.44170.03%0.05516-0.365990.78780-0.4923271.03121.01550.01%0.05505-0.367830.78897-0.4890730.49090.70070.01%0.05496-0.368710.78954-0.4875010.21670.46550.00%0.05491-0.369140.78981-0.486751TM50.769,,(2),TM1TM4TM7TM5,5PC42PC4TMTM1TM4TM5TM7-0.0530.769-0.3350.7691-0.5430.7695PC4TM1TM4TM5TM76420033,(),:(1)TM?(2)?3.1,,1795,[8]y=12e-X222(2),k,,kp33k0.000.320.671.001.151.962.002.583.00p0.000.250.500.680.750.950.9550.990.997,,TM():(1),(,);(2);(3),y;(4),,,,TM3.2TM,,,(),=ni=1(Xi-X)n(3)TM(6,137/39),,,,(X),(X+k)(1-p)/2,31.510-3,,6137/394,,(7),7742,:ETM+(TM),,(),5-,-,,,,,,,,-,,-,,701000m,1050m,,;,-,,,,4.2km,12.6m,200t,;,,,,,,0.6km2,,,--,137/39(9),:;;3,,;,,(),[10],EO-1,+4,,+,3ETM+,,,,15km,5km,,6,,45;1,,;236,,,1356(4),5,1,,4.25km,1.25km,,,,,4,45,,,,,,6(1)137/39,842003,,;(2),PCA(),;(3)ETM+,ETM+;(4),:RSA(RemoteSensingAnomaly)OHA(HydroxylateAnomaly)FCA(FerricContaminationAnoma2ly)PCA(PrincipalComponentAnaly2sis)SAM(SpectralAngleMapper)RM(RatioMethod)BG(Background)GS(GreyScale)[1].[M].:,1992.[2]KendallM.MultivariateAnalysis[M].England:CharlesGriffinandCompanyLimited,1975.[3]CrostaAP,McMMooreJ.Enhancementoflandsatthematicmap2perimageryforresidualsoilmappinginSWMinaisGerrain[A].In:Proceedingsofthe7th(ERIM)Thematicconference:RemoteSensingforExplorationGeology[C].Calgary,1989,1173-1187.[4]LoughlinWP.Principalcomponentanalysisforalterationmapping[A].In:Proceedingsofthe8thThematicconferenceonGeologicRemoteSensing[C].Denver,USA,1991,293-306.[5],.[J].,1997,(1):20-30.[6],.[J].,1998,(2):46-53.[7],,.ETM+(TM)[J].,2002,(4):30-36.[8].[M].:,1964.[9],,.[M].:,1986.[10],,.Hyperion[J].,2002,(4):44-50.THEMETHODSFOREXTRACTIONOFALTERATIONANOMALIESFROMTHEETM+(TM)DATAANDTHEIRAPPLICATION:METHODSELECTIONANDTECHNOLOGICALFLOWCHARTZHANGYu-jun,ZENGZhao-ming,CHENWei(ChinaAeroGeophysicalSurveyandRemoteSensingCenterforLandandResources,Beijing100083,China)AbstractThisisthesecondpaperamongtheserialarticlesonthenewparameterforthepredictionofthemin2eralresources:alterationRSanomalies.TheRM(RatioMethod),SAM(SpectralAngleMapper)andPCA(PrincipleComponentAnalysis)werecomparedwitheachotherbytheanalysisoftheirprinciplesandbythemodeltest.PCAwasselectedasthemainmethodandSAMasthesupplementaryone.Theessentialconceptsoftheerrortheorywerequoted.Thestandarddeviationwasusedasthemeasureforanomalyslicing.TheflowchartDe-interferedAnomalousPrincipalComponentThresholdingTechniquewasgiven.Apracticalapplica2tionexampleforQulong-JiamaanomalygroupinTibetwasgivenincomparisonwiththehyperspectralresults.KeywordsPCA;SAM;RM;Quantitativemeasureofanomalyslicing;Thresolding:(1933-),,,1957;,;,70()(:)942,:ETM+(TM)