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dc.contributor.authorKupinski, Meredith
dc.contributor.authorBradley, Christine
dc.contributor.authorDiner, David
dc.contributor.authorXu, Feng
dc.contributor.authorChipman, Russell
dc.date.accessioned2019-10-29T19:52:49Z
dc.date.available2019-10-29T19:52:49Z
dc.date.issued2019-06-11
dc.identifier.citationMeredith K. Kupinski, Christine L. Bradley, David J. Diner, Feng Xu, and Russell A. Chipman "Angle of linear polarization images of outdoor scenes," Optical Engineering 58(8), 082419 (11 June 2019). https://doi.org/10.1117/1.OE.58.8.082419en_US
dc.identifier.issn0091-3286
dc.identifier.doi10.1117/1.oe.58.8.082419
dc.identifier.urihttp://hdl.handle.net/10150/634895
dc.description.abstractObservations from the Ground-based Multiangle SpectroPolarimetric Imager (GroundMSPI) are used to relate angle of linear polarization (AoLP) measurements to material properties and illumination conditions in sunlit outdoor environments. GroundMSPI is a push-broom spectropolarimetric camera with an uncertainty in degree of linear polarization (DoLP) of ±0.005. This polarimetric accuracy yields useful AoLP images even when the DoLP is less than 0.02. AoLP images are reported with respect to dependency on surface texture, surface orientation, albedo, and illumination conditions. Agreement with well-known principles of polarized light scattering is illustrated, and several special cases are described. Expected observations of AoLP tangential to surface orientation and AoLP perpendicular to the scattering plane are reported. Significant changes in the AoLP are observed from common variations in outdoor illumination conditions. Also, simple variants in material properties change the dominant polarized light scattering process and thus the AoLP. Measurement examples that isolate a 90 deg AoLP flip are shown for a sunny and cloudy day as well as an object of high and low albedo.en_US
dc.description.sponsorshipNational Science FoundationNational Science Foundation (NSF) [CHE-1313892]; National Aeronautics and Space Administration (NASA) Jet Propulsion Laboratories under University of Arizona; NASANational Aeronautics & Space Administration (NASA)en_US
dc.language.isoenen_US
dc.publisherSPIE-SOC PHOTO-OPTICAL INSTRUMENTATION ENGINEERSen_US
dc.rightsCopyright © The Authors. Published by SPIE under a Creative Commons Attribution 4.0 Unported License. Distribution or reproduction of this work in whole or in part requires full attribution of the original publication, including its DOI.en_US
dc.subjectangle of linear polarizationen_US
dc.subjectpolarimetric imagingen_US
dc.subjectpolarized light scatteringen_US
dc.subjectmultiangle spectropolarimetric imageren_US
dc.titleAngle of linear polarization images of outdoor scenesen_US
dc.typeArticleen_US
dc.contributor.departmentUniv Arizona, Ctr Opt Scien_US
dc.identifier.journalOPTICAL ENGINEERINGen_US
dc.description.noteOpen access article
dc.description.collectioninformationThis item from the UA Faculty Publications collection is made available by the University of Arizona with support from the University of Arizona Libraries. If you have questions, please contact us at repository@u.library.arizona.edu.en_US
dc.eprint.versionFinal published versionen_US
dc.source.volume58
dc.source.issue08
dc.source.beginpage1
refterms.dateFOA2019-10-29T19:52:50Z


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