01高光谱遥感第一讲

Lecture1AnOverviewofHyperspectralRemoteSensingWhoamI?¾¾¾¾¾¾¾¾¾¾™™HyperspectralRemoteSensing™/2/34™™™::7814:40-15:30116™™™¾¾¾≥≥≥1.1.2.2.3.3.1.1.Lecture2Lecture22.2.Lecture3Lecture33.3.1.1.2.2.3.3.1.1.2.2.3.3.4.4.1.1.2.2.3.3.4.4.1.1.2.2.3.3.1.1.2.2.ENVIENVI„5.Quantitativeremotesensingoflandsurfaces/Liang,Shunlin,Hoboken,N.J.:Wiley-Inter-science,c2004c20086.Remotesensinggeology/RaviP.Gupta.Berlin;NewYork:Springer,c2003.™™™™™™™™™?™99™Wavelength,bandwidth,centralwavelengthFWHFullWidthatHalfMaximum,™999™™λ™™™™LandsatTM/ETMBandsWavelengthETM+band1blue0.45-0.51565nm(478)ETM+band2green0.525-0.60580nm(565)ETM+band3red0.63-0.69060nm(660)ETM+band4nearinfrared0.75-0.90150nm(825)ETM+band5shortwaveIR1.55-1.75200nm(1650)ETM+band6thermalIR10.40-12.52100nm(11.45)ETM+band7shortwaveIR2.09-2.35260nm(2220)ETM+band8panchromatic0.52-0.9010-1λ™10-1λ(Multispectral)TMSPOT;™10-2λ(Hyperspectral)(nm)100™10-3λ(Ultraspectral)nm40070011002500550014000VISPIRMIRVNIRSunlightIRT/VNIRMIRIRT5-100.150-100100-2001000-2000100-2000.015-2010-50100-500•Panchromatic,Multispectral,HyperspectralPanchromatic&colorphotographyHyperspectralMultispectral10-2λ10-1λzλz⎯z⎯zz⎯zzzzzzzz™imagecubeSpectralcurve?™™µ™µ™™™IRSACASN™™™AIS11983JPL™AVIRIS™FLI™DeadalusMIVIS™GER79DAIS7915™DAISA™ROSIS1022™HYDICE™HyMapHymap0.45-2.5m12635m8-10m128™ProbeEarthSearchSciences,Inc.0.4-2.5m12811-18nm™ITRESCASICompactAirborneSpectrographicImagerSASIShortwaveInfraredAirborneSpectrographicImagerTABIThermalAirborneSpectrographicImager™GERTEXACOTEEMS™SEBASS(SpatiallyEnhancedBroadbandArraySpectrographSystem)3.0-5.5m0.025m;,7.8-13.5m,0.04m1001422128128Si:As120Hz0.05K,2000:1™AVIRIS™FLIASAS™CASI1.8nm™HYDICECCD210™PHIOMISPHI2000.680PHIAVIRIS0%10%20%30%40%50%60%70%400420440460480500520540560580600620640660680700Wavelength,nmReflectanceSpectralCharacteristicsPoriteslobataSargassumechinocarpumPoritescompressaMontiporacapitataSandRubbleKaneoheBay,OahuAVIRIS:ColorimageAVIRIS:Colorimagew/landmaskAVIRIS:UnsupervisedclassificationClassificationScheme™Unconsolidatedsediments:™Sandandmud.™Submergedvegetation:™Seagrassandmacroalgae.™Coralreefandhardbottom:™Coralreefandcolonizedhardbottom.™Uncolonizedhardbottom.™Encrusting/corallinealgae.™Other™Land,artificial,etc..5M/s6M/s5M/s141414bit12.5/62.5152.4nm1.25mrad1.2mrad0.49mrad404040600600150032641002888000-11500950-2450380-1050nmTASI600SASI600CASI1500CHRIS/PROBA1717171734m6-336-116-336-336-20nm438-1003486-788438-1035406-1003406-992nm34181818621MinuteLandsatETM+MultispectralSwathCoverage(185km@30m)705kmAltitudeAVIRISUnderflight(10km@20m)ALIMultispectralSwathCoverage(37km@30m)AtmosphericCorrectorHyperspectralCoverage(185km@125/250m)HyperionHyperspectralSwathCoverage(7.5km@30m)Landsat-7EO-1HyperiononEO-1Hyperionimageryone(Bucharest,Romania,May18,2001,Band18)Band31R31G23B14Aerosoldistributionfrombands12,18and31Hyperionimagerytwo:Band12Band142008