Comparison of field and laboratory collected midwave and longwave infrared emissivity spectra / data reduction techniques

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dc.contributor.author Salvaggio, Carl en_US
dc.contributor.author Miller, Craig en_US
dc.date.accessioned 2007-06-22T15:07:30Z en_US
dc.date.available 2007-06-22T15:07:30Z en_US
dc.date.issued 2001-04 en_US
dc.identifier.citation Proceedings of SPIE Image Exploitation and Target Recognition, Algorithms for Multispectral, Hyperspectral, and Ultraspectral Imagery VII 4381 (2001) 549-558 en_US
dc.identifier.issn 0277-786X en_US
dc.identifier.uri http://hdl.handle.net/1850/4055 en_US
dc.description "Comparison of field and laboratory collected midwave and longwave infrared emissivity spectra / data reduction techniques," Proceedings of the SPIE, Image Exploitation and Target Recognition, Algorithms for Multispectral, Hyperspectral, and Ultraspectral Imagery VII, Vol. 4381. The International Society of Optical Engineers. Held in Orlando, Florida: April 2001. This paper is made available as an electronic reprint with permission of SPIE. One print or electronic copy may be made for personal use only. Systematic or multiple reproduction, distribution to multiple locations via electronic or other means, duplication of any material in this paper for a fee or for commercial purposes, or modification of the content of the paper are prohibited. en_US
dc.description.abstract Many targets that remote sensing scientists encounter when conducting their research experiments do not lend themselves to laboratory measurement of their surface optical properties. Removal of these targets from the field can change their biotic condition, disturb the surface composition, and change the moisture content of the sample. These parameters, as well as numerous others, have a marked influence on surface optical properties such as spectral and bi-directional emissivity. This necessitates the collection of emissivity spectra in the field. The propagation of numerous devices for the measurement of midwave and longwave emissivity in the field has occurred in recent years. How good a re these devices and how does the accuracy of the spectra they produce compare to the “tried and true” laboratory devices that have been around for decades? A number of temperature/emissivity separation algorithms will be demonstrated on data collected with a field portable Fourier transform infrared (FTIR) spectrometer and the merits and resulting accuracy compared to laboratory spectra made of these identical samples. A brief look at off-nadir view geometries will also be presented to alert scientists to the possible sources of error in these spectra that may result when using sensing systems that do not look straight down on targets or when their nadir looking sensor is looking at a tilted target. en_US
dc.language.iso en_US en_US
dc.publisher The International Society for Optical Engineering (SPIE) en_US
dc.relation.ispartofseries vol. 4381 en_US
dc.subject Emissivity en_US
dc.subject Groundtruth en_US
dc.subject Hyperspectral en_US
dc.subject Laboratory en_US
dc.subject Longwave en_US
dc.subject Midwave en_US
dc.subject Spectra en_US
dc.subject Spectroscopy en_US
dc.title Comparison of field and laboratory collected midwave and longwave infrared emissivity spectra / data reduction techniques en_US
dc.type Article en_US

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