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Vicarious calibrations of HICO data acquired from the International Space Station |
Applied Optics, Vol. 51, Issue 14, pp. 2559-2567 (2012)
http://dx.doi.org/10.1364/AO.51.002559
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Abstract
The Hyperspectral Imager for the Coastal Ocean (HICO) presently onboard the International Space Station (ISS) is an imaging spectrometer designed for remote sensing of coastal waters. The instrument is not equipped with any onboard spectral and radiometric calibration devices. Here we describe vicarious calibration techniques that have been used in converting the HICO raw digital numbers to calibrated radiances. The spectral calibration is based on matching atmospheric water vapor and oxygen absorption bands and extraterrestrial solar lines. The radiometric calibration is based on comparisons between HICO and the EOS/MODIS data measured over homogeneous desert areas and on spectral reflectance properties of coral reefs and water clouds. Improvements to the present vicarious calibration techniques are possible as we gain more in-depth understanding of the HICO laboratory calibration data and the ISS HICO data in the future.
© 2012 Optical Society of America
OCIS Codes
(010.0010) Atmospheric and oceanic optics : Atmospheric and oceanic optics
(010.4450) Atmospheric and oceanic optics : Oceanic optics
(120.0280) Instrumentation, measurement, and metrology : Remote sensing and sensors
(280.4788) Remote sensing and sensors : Optical sensing and sensors
ToC Category:
Atmospheric and Oceanic Optics
History
Original Manuscript: January 10, 2012
Revised Manuscript: March 2, 2012
Manuscript Accepted: March 5, 2012
Published: May 4, 2012
Virtual Issues
Vol. 7, Iss. 7 Virtual Journal for Biomedical Optics
Citation
Bo-Cai Gao, Rong-Rong Li, Robert L. Lucke, Curtiss O. Davis, Richard M. Bevilacqua, Daniel R. Korwan, Marcos J. Montes, Jeffrey H. Bowles, and Michael R. Corson, "Vicarious calibrations of HICO data acquired from the International Space Station," Appl. Opt. 51, 2559-2567 (2012)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-51-14-2559
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