第五讲高光谱遥感讲义(张兵)

1ZB/HRS/IRSA/CASZB/HRS/IRSA/CAS200520055.15.25.35.45.5E-mail:[e-mail]/HRS/IRSA/CASZB/HRS/IRSA/CAS200520055.1IFOV;;;2ZB/HRS/IRSA/CASZB/HRS/IRSA/CAS20052005(interaction)(photon)“”5.1ZB/HRS/IRSA/CASZB/HRS/IRSA/CAS20052005FAAFAAFAAmm1122===,,,,LFjjm=∑=11()L(λ)ρ(λ)=L1(λ)ρ1λ+L2(λ)ρ2λ+L3(λ)ρ3λ+……+Ln(λ)ρmλ=L(λ)F1ρ1λ+L(λ)F2ρ2λ+L(λ)F3ρ3λ+……+L(λ)Fmρmλ)()(1λρλjmjjFL∑==∑=⋅=mjjjF1)()(λρλρIFOV5.13ZB/HRS/IRSA/CASZB/HRS/IRSA/CAS20052005physicalmodelmathematicalmodelgeometricmodel5.1ZB/HRS/IRSA/CASZB/HRS/IRSA/CAS20052005“”“”WeightedAverageX=A*α+B*β+C*γ5.14ZB/HRS/IRSA/CASZB/HRS/IRSA/CAS20052005CEndmemberMatrixABEndmemberAbundanceAmn#nB1=mC1m:n:mnAB,1C5.1ZB/HRS/IRSA/CASZB/HRS/IRSA/CAS20052005:AB12C••DEO•5.15ZB/HRS/IRSA/CASZB/HRS/IRSA/CAS20052005(1)Hapke'),'()',(),(),(4ΩΩΩΩ+Ω−=Ω∫dGrIrEIdsrdIπBRUCEHAPKEandEDDIEWELLS.1981.BidirectionalReflectancespectroscopy2.Experimentandobservations.JournalofGeophysicalResearch,l26(B4):3055-3066BRUCEHAPKE.1981.BidirectionalReflectanceSpectroscopytheory.JournalofGeophysicalResearch.86(B4):3039-3045,Z,E,,dsΩθ),'(ΩΩG'ΩΩ5.1ZB/HRS/IRSA/CASZB/HRS/IRSA/CAS20052005(2),1B2B3B301laiBlaiEBτρ+=302laiBlaiEBρτ+=203)1(laiBElaiBSSρρ+−=5.1lai,,0EρτSρ6ZB/HRS/IRSA/CASZB/HRS/IRSA/CAS20052005(3)SAILVerhoef.W.1984.LightScaHeringbyleaLayerswithApplicationtocanopyReflectanceModeling:TheSAILModel.RemoteSens,Environ,16:125-141.Kuusk,A.1985.Thehotspoteffectofauniformvegetationcover,Sov.J.RemoteSens.,3(4):645-658.LAILLLLLLLLLLddgLAIdWgLAILAIdϕθθϕθϕθϕθsin),()(),()(),(2==LθLϕ),(LLgϕθ5.1ZB/HRS/IRSA/CASZB/HRS/IRSA/CAS20052005(4),,,Z,,,5.17ZB/HRS/IRSA/CASZB/HRS/IRSA/CAS200520055.2nEcnep+=+=∑=Niiic111=∑=Niic10≤≤icpEEEctt1)(ˆ−=:ZB/HRS/IRSA/CASZB/HRS/IRSA/CAS200520051PPIMNF123456712345675.28ZB/HRS/IRSA/CASZB/HRS/IRSA/CAS200520052N-FINDR=NeeeELL21111)()!1(1)(EEabsnV−=ie,,iVNeee,,,21LN⋅ie1−NMNF/PCA5.2ZB/HRS/IRSA/CASZB/HRS/IRSA/CAS200520053*“”*5.29ZB/HRS/IRSA/CASZB/HRS/IRSA/CAS200520055.2ZB/HRS/IRSA/CASZB/HRS/IRSA/CAS20052005(1)(2)BACPji)(21npppAL=AApppt21!1),,,(nVn=L(3)ABCD0VVcii=5.210ZB/HRS/IRSA/CASZB/HRS/IRSA/CAS200520051∑=+=+CiijiEfkLb1j,jρ25.23ABCDEFiju,EuumxuabsTT))((−=τZB/HRS/IRSA/CASZB/HRS/IRSA/CAS200520055.311ZB/HRS/IRSA/CASZB/HRS/IRSA/CAS200520055.3ZB/HRS/IRSA/CASZB/HRS/IRSA/CAS200520055.312ZB/HRS/IRSA/CASZB/HRS/IRSA/CAS200520055.31234ZB/HRS/IRSA/CASZB/HRS/IRSA/CAS200520055.313ZB/HRS/IRSA/CASZB/HRS/IRSA/CAS20052005(1)(2)5.3ZB/HRS/IRSA/CASZB/HRS/IRSA/CAS2005200525.3‹rijxxxxxxxxkiikjjkpkiikjjkpkp=−−−−===∑∑∑()()/()()12211‹‹∑∑∑====pkpkkjkipkjkkixxxxij11221cosθdxxijkikjkp=−=∑()2114ZB/HRS/IRSA/CASZB/HRS/IRSA/CAS2005200525.3dxxijkikjkp=−=∑1dxxxxijijTijij21=−−−∑()()dxMigkikgkp=−=∑1ZB/HRS/IRSA/CASZB/HRS/IRSA/CAS200520052‹5.3‹J-M‹‹SnxMiggikigkg=−−∈∑112()DMMSSghigihigihip=−=∑()2121}])|()|([{2xghdhxpgxpxJ∫−=qqpkjkikijxxd11][∑=−=()()()()()jiijTjiijjiijmmmmtrD−+−+−−=∑∑∑∑∑∑−−−−1111212115ZB/HRS/IRSA/CASZB/HRS/IRSA/CAS200520052‹5.3‹‹jkikpkijxxd−=≤≤1maxdxxxxxxijijijipjp=−−−max(,,......,)1122dpxxRijikjkkkp=−=∑11Rxxkkk=−max.min.ZB/HRS/IRSA/CASZB/HRS/IRSA/CAS200520055.33‹‹‹‹‹‹16ZB/HRS/IRSA/CASZB/HRS/IRSA/CAS200520055.34‹()‹‹ISOMIX‹‹K‹ISODATAZB/HRS/IRSA/CASZB/HRS/IRSA/CAS200520054‹()‹‹Fisher‹MLC‹‹‹‹5.317ZB/HRS/IRSA/CASZB/HRS/IRSA/CAS200520055.312345ZB/HRS/IRSA/CASZB/HRS/IRSA/CAS200520055.31997199831987319901218ZB/HRS/IRSA/CASZB/HRS/IRSA/CAS200520055.4ZB/HRS/IRSA/CASZB/HRS/IRSA/CAS200520055.4:1.2.3.4.19ZB/HRS/IRSA/CASZB/HRS/IRSA/CAS200520055.4A.B.∑∑∑∑∑∑∑−−−=])(][)([2222ccccccccLLnoonLoLonF()λnR'()()λλRRn−ZB/HRS/IRSA/CASZB/HRS/IRSA/CAS200520055.4(SpectralAngleMappingSAM)RTRT⋅=−1cosθ∈•=∑∑∑===−2,0,cos121211πθθniiniiniiirtrtzz20ZB/HRS/IRSA/CASZB/HRS/IRSA/CAS200520055.4•••zzZB/HRS/IRSA/CASZB/HRS/IRSA/CAS200520055.4ECHO(ExtractionandClassificationofHomogeneousObjects)(KettigandLandgrebe,1976)21A,B,C,D,E,F,G,H,I,J,KMLC2.0ABC,D,E,F,G,HCM-distance0.45GMLCMNF12FIKJMLC1.0E,FD,GC,HMLC0.40EDH5.4ZB/HRS/IRSA/CASZB/HRS/IRSA/CAS200520051Hughes2345.4ZB/HRS/IRSA/CASZB/HRS/IRSA/CAS2005200522120/1“”“”5.4ZB/HRS/IRSA/CASZB/HRS/IRSA/CAS20052005X1,……Xn:ABCDEA,Bϕ(A)=ƒA(X1,……Xn)ϕ(B)=ƒB(X1,……Xn)C,D,Eϕ(A)⊆[α1β1]ϕ(B)⊆[α2β2]C,D,EƒC(X1,……Xn)ƒC(Xi,..Xj)ƒD(X1,……Xn)ƒD(Xk,..Xl)ƒE(X1,……Xn)ƒE(Xm,..Xn)(C)0ϕ(C)⊆[α3β3](D,E)D:δD(Xk,..Xl)E:δE(Xm,..Xn)ϕ(D)⊆[α4β4]ϕ(E)⊆[α5β5]ABCDEZB/HRS/IRSA/CASZB/HRS/IRSA/CAS200520052315.4ZB/HRS/IRSA/CASZB/HRS/IRSA/CAS2005200525.4ZB/HRS/IRSA/CASZB/HRS/IRSA/CAS2005200524End-to-EndHyperspectralProcessing(Dr.F.A.Kruse)MNFn-DIDMapDistributionAndAbundanceApparentReflectancePPISpatial/SpectralBrowsing5.4ZB/HRS/IRSA/CASZB/HRS/IRSA/CAS20052005SpectralDataReductionSpatialDataReductionVisualizationIdentification1SpectralVariability2Signal-to-Noise3SpectralMixture5.5CertaintyProbabilityFeaturesRulesZB/HRS/IRSA/CASZB/HRS/IRSA/CAS20052005255.5:ZB/HRS/IRSA/CASZB/HRS/IRSA/CAS200520055.5Weight01ZB/HRS/IRSA/CASZB/HRS/IRSA/CAS20052005CP=0.7+0.2/1.0+0.7+0.2=0.47265.5ZB/HRS/IRSA/CASZB/HRS/IRSA/CAS20052005()==∑=1min1min12wdR