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A Spectrum Extension Approach for Radiometric Calibration of the Advanced Hyperspectral Imager Aboard the Gaofen-5 Satellite
2021
IEEE Transactions on Geoscience and Remote Sensing
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infrared (SWIR) sensors from field automatic observations with a field spectrometer in the absence of SWIR measurements. ...
Index Terms-Advanced hyperspectral imager (AHSI), calibration site, Gaofen-5 (GF-5) satellite, radiometric calibration, spectrum extension. ...
In view of this, this study aims to propose an operational on-orbit radiometric calibration approach for AHSI VNIR and SWIR sensors from field automatic observations with a field spectrometer in the absence ...
doi:10.1109/tgrs.2021.3083707
fatcat:j4tfmbsq6vfpnembfsvm75dc3y
Polarization Radiometric Calibration in Laboratory for a Channeled Spectropolarimeter
2020
Applied Sciences
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In this paper, we propose a novel polarization radiometric calibration model that decouples the radiometric calibration coefficient and polarization properties of an optical system. ...
The process of radiometric calibration would be coupled with the polarization properties of an optical system for spectropolarimetry, which would have significant influences on reconstructed Stokes parameters ...
In order to facilitate the establishment of polarization radiometric transmission model for optical system, we advanced a method modeling to divide into four sub-modules: fore-optics, PSIM module, imaging ...
doi:10.3390/app10228295
fatcat:wc5qmuz4hfdtbkc2jf65vkmgy4
EnMAP: hyperspectral Imager (HSI) for Earth observation: current status
2019
International Conference on Space Optics — ICSO 2018
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The single payload of the satellite is the Hyperspectral Imager (HSI). ...
The Environmental Mapping and Analysis Program (EnMAP) is a German space borne science mission that aims at characterizing the Earth's environment on a global scale. ...
ACKNOWLEDGEMENTS The work presented herein was performed on behalf of the German Space Agency DLR with funds of the German Federal Ministry of Economic Affairs and Technology under the grant No. 50 EP ...
doi:10.1117/12.2536142
fatcat:jppcpp3zsnesphobap635gcgsa
Front Matter: Volume 10402
2017
Earth Observing Systems XXII
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Publication of record for individual papers is online in the SPIE Digital Library. SPIEDigitalLibrary.org Paper Numbering: Proceedings of SPIE follow an e-First publication model. ...
using a Base 36 numbering system employing both numerals and letters. ...
spectroscopy using embedded diffractive optical arrays 10402 0H Simple alignment procedure for a VNIR imaging spectrometer with a Shack-Hartmann wavefront sensor and a field identifier Sentinel 2B ...
doi:10.1117/12.2299452
dblp:conf/eos/X17
fatcat:u7a6tvbkufhqvb5onw4qmm4zsa
A light-weight hyperspectral mapping system for unmanned aerial vehicles — The first results
2013
2013 5th Workshop on Hyperspectral Image and Signal Processing: Evolution in Remote Sensing (WHISPERS)
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The raw spectrometer
data are loaded
2. Converted to radiance
spectra using dark and
flat field calibrations
3. ...
The raw images are loaded
2. Converted to radiance images
using dark and flat field
calibrations
3. Converted to reflectance factor
images using empirical line
correction
4. ...
doi:10.1109/whispers.2013.8080721
dblp:conf/whispers/SuomalainenAIFW13
fatcat:akrabbfc35bbhjfbxevg27x7b4
The DOM Generation and Precise Radiometric Calibration of a UAV-Mounted Miniature Snapshot Hyperspectral Imager
2017
Remote Sensing
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This paper describes the generation of a digital orthophoto map (DOM) and radiometric calibration for images taken by a miniaturized snapshot hyperspectral camera mounted on a lightweight unmanned aerial ...
Finally, we applied two absolute radiometric calibration methods to the generated DOM and verified their accuracy via comparison with spectra measured with an ASD Field Spec Pro spectrometer (Analytical ...
., for the image data and field sampling collection. We are grateful to the anonymous reviewers for their valuable comments and recommendations. ...
doi:10.3390/rs9070642
fatcat:oa3ctv6puzdfripjs4wfms3qla
The EnMAP Spaceborne Imaging Spectroscopy Mission for Earth Observation
2015
Remote Sensing
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The potential of imaging spectroscopy for Earth remote sensing has been demonstrated since the 1980s. ...
The core payload of EnMAP consists of a dual-spectrometer instrument measuring in the optical spectral range between 420 and 2450 nm with a spectral sampling distance varying between 5 and 12 nm and a ...
Author Contributions The development of the manuscript concept, the collection of the materials for the different sections and the overall coordination of the work was performed by Luis Guanter and Hermann ...
doi:10.3390/rs70708830
fatcat:kwcmjf45kffrpncevp657zsjpa
Laboratory Calibration of a Field Imaging Spectrometer System
2011
Sensors
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A new Field Imaging Spectrometer System (FISS) based on a cooling area CCD was developed. This paper describes the imaging principle, structural design, and main parameters of the FISS sensor. ...
An integrating sphere was used to achieve absolute radiometric calibration of the FISS with less than 5% calibration error for each band. ...
Acknowledgements The authors gratefully acknowledge the support of the National Natural Science Foundation of China (Project Number 30772890, ...
doi:10.3390/s110302408
pmid:22163746
pmcid:PMC3231591
fatcat:zriuqp3vdfg23i4cow2cdyytmu
EO-1/Hyperion hyperspectral imager design, development, characterization, and calibration
2001
Hyperspectral Remote Sensing of the Land and Atmosphere
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Its mission as a technology demonstrator is to evaluate on-orbit issues for imaging spectroscopy and to assess the capabilities of a spacebased imaging spectrometer for earth science and earth observation ...
The instrument includes internal and solar calibration sub-systems. This paper will review the design, construction and calibration of the Hyperion instrument. ...
ACKNOWLEDGEMENTS The authors wish to acknowledge the support of the NASA Goddard Space Flight Center and the EO-1 team for their support on the Hyperion Program Contract No. NAS5-98161. ...
doi:10.1117/12.417022
fatcat:hkvbchcijndrjkkaonx6yuedui
Development and operations of the EO-1 Hyperion Imaging Spectrometer
2000
Earth Observing Systems V
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Its mission as a technology demonstrator is to evaluate on-orbit issues for imaging spectroscopy and to assess the capabilities of a spacebased imaging spectrometer for earth science and earth observation ...
The Hyperion Imaging Spectrometer is one of three principal instruments aboard the EO-1 spacecraft. ...
A common calibration system is provided for both the VNIR and SWIR spectrometers. Dual calibration lamps produce reference signals to monitor detector performance following image acquisition. ...
doi:10.1117/12.494251
fatcat:5opkqafjhfahpbxqyjavwyelza
APEX-airborne prism experiment: the realization phase of an airborne hyperspectral imager
2004
Sensors, Systems, and Next-Generation Satellites VIII
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The instrumentation comprises a hyperspectral imager for various standard airborne platforms, a fixed installed calibration home base and a complete facility for data processing and archiving. ...
extended array format for the short wave infrared channel, the thermal/mechanical stabilization of the spectrometer and the realization of the infrastructure for high accuracy characterization and calibration ...
For the radiometric calibration it was intended to make use of an Ulbricht's radiometric sphere with a diameter of about 1.6 m. ...
doi:10.1117/12.566471
fatcat:zp7tloiykbhylolxleu2o75niq
Processing of large-volume airborne imaging spectrometer data: the APEX approach
2002
Imaging Spectrometry VIII
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The PAF not only includes imaging spectrometer data processing up to physical units, but also geometric and atmospheric correction for each scene, as well as calibration data input. ...
In the framework of the APEX (Airborne Prism Experiment) pushbroom imaging spectrometer, a complete processing and archiving facility (PAF) is developed. ...
be able to simulate, calibrate and validate planned space-borne imaging spectrometer missions (e.g., SPECTRA, MERIS, CHIRS/PROBA, etc.), and can act as a radiometric transfer standard for vicarious calibration ...
doi:10.1117/12.453795
fatcat:ab4cspukzneuhlwydkvt7ycyti
Detector based calibration of a portable imaging spectrometer for CLARREO Pathfinder Mission
2019
Earth Observing Systems XXIV
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The current work describes the calibration of the Solar, Lunar Absolute Reflectance Imaging Spectroradiometer (SOLARIS) that was originally developed as a calibration demonstration system for the CLARREO ...
The methodology for the radiometric calibration of SOLARIS is presented as well as results from the GLAMR-based calibration of SOLARIS. ...
Developing and testing of calibration protocols for the CPF Independent Calibration are relying on the SOLARIS calibration demonstration system that is an imaging spectrometer similar to that planned for ...
doi:10.1117/12.2528760
fatcat:aszxtvwfrbbzbbxcb5atbjgclq
Alignment And Calibration Of An Airborne Infrared Spectrometer
2017
Zenodo
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In addition to the optical alignment, there are a few calibrations to complete: 1) flat field, 2) spectral, and 3) radiometric. The flat field gives us a measure of the pixel to pixel variations. ...
The optical system consists of a fast steering mirror, telescope, grating spectrometer, and slit-jaw imager. Light from the sun is directed into the f/15 telescope by a fast steering mirror. ...
A special thanks to my mentor, Jenna Samra. ...
doi:10.5281/zenodo.1041797
fatcat:crurzco2fzfbvoiidnaisxjmqq
Band-Averaged Response Sensitivity Study of an Imaging Spectrometer for the CLARREO Pathfinder Mission
2022
Remote Sensing
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The current work uses GLAMR data collected with a visible and near-infrared imaging spectrometer calibration demonstration system to develop a source/sensor modeled calibration data set as part of a sensitivity ...
Prelaunch absolute, SI-traceable radiometric calibration of satellite-based sensors is key to ensuring the utility of imaging spectrometer-based data products. ...
Acknowledgments: The authors acknowledge the efforts and dedication of the NASA/GSFC GLAMR team for the development and operation of the GLAMR system and their support in the collection of the data used ...
doi:10.3390/rs14102302
fatcat:am3f6cbff5ep7jiy2fxo4mdmiy
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