Selecting the geology filter wavelengths for the ExoMars Panoramic Camera Instrument

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Selecting the geology filter wavelengths for the ExoMars Panoramic Camera Instrument. / Cousins, Claire R.; Gunn, Matthew David; Prosser, Bryan J.; Barnes, Dave; Crawford, Ian A.; Griffiths, Andrew D.; Davis, Lottie E.; Coates, Andrew J.

In: Planetary and Space Science, Vol. 71, No. 1, 10.2012, p. 80-100.

Research output: Contribution to journalArticle

Harvard

Cousins, CR, Gunn, MD, Prosser, BJ, Barnes, D, Crawford, IA, Griffiths, AD, Davis, LE & Coates, AJ 2012, 'Selecting the geology filter wavelengths for the ExoMars Panoramic Camera Instrument' Planetary and Space Science, vol. 71, no. 1, pp. 80-100. https://doi.org/10.1016/j.pss.2012.07.009

APA

Cousins, C. R., Gunn, M. D., Prosser, B. J., Barnes, D., Crawford, I. A., Griffiths, A. D., ... Coates, A. J. (2012). Selecting the geology filter wavelengths for the ExoMars Panoramic Camera Instrument. Planetary and Space Science, 71(1), 80-100. https://doi.org/10.1016/j.pss.2012.07.009

Vancouver

Cousins CR, Gunn MD, Prosser BJ, Barnes D, Crawford IA, Griffiths AD et al. Selecting the geology filter wavelengths for the ExoMars Panoramic Camera Instrument. Planetary and Space Science. 2012 Oct;71(1):80-100. https://doi.org/10.1016/j.pss.2012.07.009

Author

Cousins, Claire R. ; Gunn, Matthew David ; Prosser, Bryan J. ; Barnes, Dave ; Crawford, Ian A. ; Griffiths, Andrew D. ; Davis, Lottie E. ; Coates, Andrew J. / Selecting the geology filter wavelengths for the ExoMars Panoramic Camera Instrument. In: Planetary and Space Science. 2012 ; Vol. 71, No. 1. pp. 80-100.

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@article{7278b0f261a1437987b132f13e73f409,
title = "Selecting the geology filter wavelengths for the ExoMars Panoramic Camera Instrument",
abstract = "The Panoramic Camera (PanCam) instrument will provide surface remote sensing data for the ExoMars mission. A combination of wide-angle stereo, multispectral, and high resolution imagery will generate contextual geological information to help inform which scientific targets should be selected for drilling and analysis. One component of the PanCam dataset is narrowband multispectral imaging in the visible to near infrared, which utilises a dedicated set of 12 “geology” filters of predetermined wavelength and bandwidth to view the terrain, and provide information on composition and putative mineralogy. The centre wavelengths and bandwidths of these filters were optimised to account for the highly diverse mineralogical terrains the ExoMars rover will hopefully encounter. Six new alternative test filter sets were created, each optimised for the detection of either: sulfates, phyllosilicates, ferric oxides, mafic silicates, iron absorptions, and minor hydration absorptions. These six filter sets were cross-tested using database mineral reflectance spectra and Mars analogue rock multispectral data to find the best performing filter set. Once selected, the bandwidths of this filter set were also optimised. The filter set optimised to ferric oxide minerals was able to most accurately represent rock multispectral data, as well as capture subtle spectral features of hydrated minerals, including sulfates, phyllosilicates, and carbonates. These filters differ from those used on past missions (e.g., Pathfinder, Mars Exploration Rover) and represent the next evolutionary stage in PanCam instrument development. When compared to past filter sets, the updated ExoMars filters capture rock and mineral spectral data more effectively, enhancing the ability of the ExoMars PanCam to detect lithological and compositional variation within an outcrop.",
keywords = "ExoMars, Mars, PanCam, hydrated minerals, reflectance spectroscopy",
author = "Cousins, {Claire R.} and Gunn, {Matthew David} and Prosser, {Bryan J.} and Dave Barnes and Crawford, {Ian A.} and Griffiths, {Andrew D.} and Davis, {Lottie E.} and Coates, {Andrew J.}",
year = "2012",
month = "10",
doi = "10.1016/j.pss.2012.07.009",
language = "English",
volume = "71",
pages = "80--100",
journal = "Planetary and Space Science",
issn = "0032-0633",
publisher = "Elsevier",
number = "1",

}

RIS (suitable for import to EndNote) - Download

TY - JOUR

T1 - Selecting the geology filter wavelengths for the ExoMars Panoramic Camera Instrument

AU - Cousins, Claire R.

AU - Gunn, Matthew David

AU - Prosser, Bryan J.

AU - Barnes, Dave

AU - Crawford, Ian A.

AU - Griffiths, Andrew D.

AU - Davis, Lottie E.

AU - Coates, Andrew J.

PY - 2012/10

Y1 - 2012/10

N2 - The Panoramic Camera (PanCam) instrument will provide surface remote sensing data for the ExoMars mission. A combination of wide-angle stereo, multispectral, and high resolution imagery will generate contextual geological information to help inform which scientific targets should be selected for drilling and analysis. One component of the PanCam dataset is narrowband multispectral imaging in the visible to near infrared, which utilises a dedicated set of 12 “geology” filters of predetermined wavelength and bandwidth to view the terrain, and provide information on composition and putative mineralogy. The centre wavelengths and bandwidths of these filters were optimised to account for the highly diverse mineralogical terrains the ExoMars rover will hopefully encounter. Six new alternative test filter sets were created, each optimised for the detection of either: sulfates, phyllosilicates, ferric oxides, mafic silicates, iron absorptions, and minor hydration absorptions. These six filter sets were cross-tested using database mineral reflectance spectra and Mars analogue rock multispectral data to find the best performing filter set. Once selected, the bandwidths of this filter set were also optimised. The filter set optimised to ferric oxide minerals was able to most accurately represent rock multispectral data, as well as capture subtle spectral features of hydrated minerals, including sulfates, phyllosilicates, and carbonates. These filters differ from those used on past missions (e.g., Pathfinder, Mars Exploration Rover) and represent the next evolutionary stage in PanCam instrument development. When compared to past filter sets, the updated ExoMars filters capture rock and mineral spectral data more effectively, enhancing the ability of the ExoMars PanCam to detect lithological and compositional variation within an outcrop.

AB - The Panoramic Camera (PanCam) instrument will provide surface remote sensing data for the ExoMars mission. A combination of wide-angle stereo, multispectral, and high resolution imagery will generate contextual geological information to help inform which scientific targets should be selected for drilling and analysis. One component of the PanCam dataset is narrowband multispectral imaging in the visible to near infrared, which utilises a dedicated set of 12 “geology” filters of predetermined wavelength and bandwidth to view the terrain, and provide information on composition and putative mineralogy. The centre wavelengths and bandwidths of these filters were optimised to account for the highly diverse mineralogical terrains the ExoMars rover will hopefully encounter. Six new alternative test filter sets were created, each optimised for the detection of either: sulfates, phyllosilicates, ferric oxides, mafic silicates, iron absorptions, and minor hydration absorptions. These six filter sets were cross-tested using database mineral reflectance spectra and Mars analogue rock multispectral data to find the best performing filter set. Once selected, the bandwidths of this filter set were also optimised. The filter set optimised to ferric oxide minerals was able to most accurately represent rock multispectral data, as well as capture subtle spectral features of hydrated minerals, including sulfates, phyllosilicates, and carbonates. These filters differ from those used on past missions (e.g., Pathfinder, Mars Exploration Rover) and represent the next evolutionary stage in PanCam instrument development. When compared to past filter sets, the updated ExoMars filters capture rock and mineral spectral data more effectively, enhancing the ability of the ExoMars PanCam to detect lithological and compositional variation within an outcrop.

KW - ExoMars

KW - Mars

KW - PanCam

KW - hydrated minerals

KW - reflectance spectroscopy

UR - http://hdl.handle.net/2160/8798

U2 - 10.1016/j.pss.2012.07.009

DO - 10.1016/j.pss.2012.07.009

M3 - Article

VL - 71

SP - 80

EP - 100

JO - Planetary and Space Science

JF - Planetary and Space Science

SN - 0032-0633

IS - 1

ER -

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