3D imaging Spectroscopy for Measuring Hyperspectral Patterns on Solid objects

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1、ToappearintheACMSIGGRAPHconferenceproceedings3DImagingSpectroscopyforMeasuringHyperspectralPatternsonSolidObjectsMinH.KimToddAlanHarveyDavidS.Kittle§HollyRushmeierJulieDorseyRichardO.Prum⇤DavidJ.Brady§YaleUniversityYaleUnversityDukeUniversityComputerScienceEcology&EvolutionaryBiologyElectrical&C

2、omputerEngineering§PeabodyMuseumofNaturalHistory⇤Rangescanning3DgeometryRadiometric3Dhyperspectralpatternmeasurementsin3D3D0.40Willemite0.300.200.10HyperspectralimagingHyperspectraltexturesRadiance[W/sr*sqm]0.0040060080010003DWavelength[nm]0.40SpectrumCalcite(0.3~1.0µm)0.30Spectrum(0.3~1.0µm)0.20An

3、exampleofmeasuring0.10a3DspectralpatternofUVfluorescenceRadiance[W/sr*sqm]0.00ofamineralore(willemite&calcite)40060080010002DAngles(0°~360°)Wavelength[nm]Figure1:Anoverviewofoursystemformeasuringathree-dimensional(3D)hyperspectralpatternonasolidobject.Our3Dimagingspectroscopy(3DIS)systemmeasures3Dg

4、eometryandhyperspectralradiancesimultaneously.Piecewisegeometriesandradiancesarereconstructedintoa3Dhyperspectralpatternbyourreconstructionpipeline.Oursystemisusedtomeasurephysically-meaningful3Dhyperspectralpatternsofvariouswavelengthsforscientificresearch.Abstract1IntroductionSophisticatedmethodsf

5、ortruespectralrenderinghavebeende-Physically-basedfull-spectralrenderinghaslongbeenrecognizedvelopedincomputergraphicstoproducehighlyaccurateimages.asanimportantareaincomputergraphicsandhasreceivedconsid-Inadditiontotraditionalapplicationsinvisualizingappearance,erableattention[Devlinetal.2002].Sys

6、temshavebeendevelopedsuchmethodshavepotentialapplicationsinmanyareasofscientificthatarecapableofproducingimagesofstunningvisualqualitystudy.Inparticular,wearemotivatedbytheapplicationofstudying[Next-Limit-Technologies2012].However,therearemanyaddi-avianvisionandappearance.Anobstacletousinggraphicsin

7、thistionalapplicationsofspectralrenderinginscientificstudythathaveapplicationisthelackofreliableinputdata.Weintroduceanend-to-yettobeexplored.Aprimaryexampleofsuchanapplicationisendmeasurementsystemforcaptur