Filters








7 Hits in 5.1 sec

An Empirical Comparison of Calibration and Validation Methodologies for Airborne Imaging Spectroscopy

K. N. Babu, A. K. Mathur, David R. Thompson, Robert O. Green, Piyushkumar N. Patel, R. P. Prajapati, Brian D. Bue, Sven Geier, Michael L. Eastwood, Mark C. Helmlinger
2019 Current Science  
Here we focus on a vicarious calibration experiment conducted for the AVIRIS-NG India campaign.  ...  used to validate the remote measurement.  ...  campaign over diverse targets in India with NASA's AVIRIS-NG.  ... 
doi:10.18520/cs/v116/i7/1101-1107 fatcat:zg4yrei3vzbjhiy2bzto5xcbwy

Spectral and Radiometric Calibration of the Next Generation Airborne Visible Infrared Spectrometer (AVIRIS-NG)

John W. Chapman, David R. Thompson, Mark C. Helmlinger, Brian D. Bue, Robert O. Green, Michael L. Eastwood, Sven Geier, Winston Olson-Duvall, Sarah R. Lundeen
2019 Remote Sensing  
of calibration parameters notoriously difficult to characterize in the laboratory.  ...  We describe advanced spectral and radiometric calibration techniques developed for NASA's Next Generation Airborne Visible Infrared Imaging Spectrometer (AVIRIS-NG).  ...  Data is then acquired for measurement of background illumination. Note entrance slit aperture of AVIRIS-NG at in aircraft belly at top of photo.  ... 
doi:10.3390/rs11182129 fatcat:wfd7xrliuzdrtlutpkisqe72wy

The Spectral Nature of Earth's Reflected Radiation: Measurement and Science Applications

Graeme Stephens, Olga Kalashnikova, Jake J. Gristey, Peter Pilewskie, David R. Thompson, Xianglei Huang, Matthew Lebsock, Sebastian Schmidt
2021 Frontiers in Remote Sensing  
and how these measurements can be expected to advance the science objectives of ACCP are highlighted.  ...  The spectral measurements also offer new capabilities that will further enhance the ACCP science such as the discrimination of dust aerosol and the potential for the vertical profiling cloud droplet size  ...  (2019) adopted a similar palette of three aerosol types assumed in retrievals using AVIRIS-NG data also obtained during a campaign in India.  ... 
doi:10.3389/frsen.2021.664291 fatcat:xyz2aa3cizhnfoghskz3hu4qw4

Sensor Capability and Atmospheric Correction in Ocean Colour Remote Sensing

Simon Emberton, Lars Chittka, Andrea Cavallaro, Menghua Wang
2015 Remote Sensing  
Acknowledgments: This work is supported by Queen Mary University of London's Engineering and Physical  ...  It was able to explain 76% of observations from aircraft observations collected by AVIRIS as part of the HyspIRI Airborne Campaign [142] .  ...  Next Generation (AVIRIS-NG) [83] and the Portable Remote Imaging Spectrometer (PRISM) [86] .  ... 
doi:10.3390/rs8010001 fatcat:c6tfrygyazcrdp66fb47xmx6um

Uncertainty quantification for a global imaging spectroscopy surface composition investigation

Nimrod Carmon, David R. Thompson, Niklas Bohn, Jouni Susiluoto, Michael Turmon, Philip G. Brodrick, David S. Connelly, Amy Braverman, Kerry Cawse-Nicholson, Robert O. Green, Michael Gunson
2020 Remote Sensing of Environment  
This work incorporates these input probabilities to improve the accuracy of surface feature measurements.  ...  Prior to analysis, estimates of surface reflectance must be inferred from radiance measurements in a process known as atmospheric correction, which compensates for the distortion of the electromagnetic  ...  Acknowledgement The research was carried out at the Jet Propulsion Laboratory, California Institute of Technology, under a contract with the National Aeronautics and Space Administration (80NM0018D0004  ... 
doi:10.1016/j.rse.2020.112038 fatcat:m6mpq4kyijfmpftrddigwulp2u

Abstracts from the Astrobiology Science Conference 2004

2004 International Journal of Astrobiology  
(ii) The infl ationary model and its implications for the existence of a "multiverse." (iii) The nature of dark energy and its relation to anthropic considerations.  ...  (iv) The possibility of time-varying constants of nature. (v) The question of the potential rarity of intelligent life.  ...  Pilbara: One Billion Years Of The Early Evolution Of Earth's Surface Environments And Life Mark E.  ... 
doi:10.1017/s1473550404001648 fatcat:7edgphlk6bb2xf73w3rrb2vc3m

Atmospheric Correction of Satellite Ocean-Color Imagery During the PACE Era

Robert J. Frouin, Bryan A. Franz, Amir Ibrahim, Kirk Knobelspiesse, Ziauddin Ahmad, Brian Cairns, Jacek Chowdhary, Heidi M. Dierssen, Jing Tan, Oleg Dubovik, Xin Huang, Anthony B. Davis (+14 others)
2019 Frontiers in Earth Science  
water reflectance, and acquiring a sufficiently representative dataset of water reflectance in the UV to SWIR.  ...  Thanks to its design and characteristics, the PACE mission will mark the beginning of a new era of unprecedented accuracy in ocean-color radiometry from space.  ...  Thompson et al. (2018) demonstrated a closed OE uncertainty budget for AVIRIS-NG, a grating spectrometer with hundreds of bands across the Visible/Shortwave Interval.  ... 
doi:10.3389/feart.2019.00145 pmid:32440515 pmcid:PMC7241613 fatcat:g7wk6raeirdyxcggl5habritgq