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Quantitative remote sensing with off-the -shelf instruments on a small UAV

Kirchgaessner, Ursula and Putze, Uwe and von Schoenermark, Maria (2010) Quantitative remote sensing with off-the -shelf instruments on a small UAV. In: Proceedings RAQRS III. The 3rd International Symposium on Recent Advances in Quantitative Remote Sensing, RAQRS III, 27. Sept. - 1.Oct 2010, Valencia, Spanien. (In Press)

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The Stuttgarter Adler is a small, remote controlled aircraft which was designed as a platform for small-scale remote sensing from 100 to 300 meters above the ground. Equipped with off-the-shelf cameras and a spectrometer it offers a flexible and inexpensive means to collect detailed remote sensing data in the visible and near infrared as well as the thermal infrared range. This paper shows the capability of the platform with its VIS/NIR and thermal instrumentation to acquire remote sensing data of high resolution. A number of calibration methods have been adapted and procedures have been developed for this purpose. Digital numbers of the VIS/NIR cameras and of the spectrometer with the current calibration is better than 7 percent of spectral radiance. Relative errors during calibration caused by noise range from 1 percent for the spectrometer to 2 percent for the NIR-camera. In order to derive reflectance values, the atmospheric properties are measured during image acquisition and used as input to numerical radiation transport to calculate irradiance. For geometric processing and referencing, recent developments in photogrammetric methods, based on image matching and robust bundle adjustment, have been adapted and applied to the data. Image data can be referenced with an accuracy of 0.02 to 0.04 meters. First steps of quality evaluation have been taken for VIS/NIR airborne data by comparison between the instruments and calculation of reflectance.

Item URL in elib:https://elib.dlr.de/68358/
Document Type:Conference or Workshop Item (Paper, Poster)
Title:Quantitative remote sensing with off-the -shelf instruments on a small UAV
AuthorsInstitution or Email of AuthorsAuthors ORCID iD
Kirchgaessner, Ursulakirchgaessner (at) irs.uni-stuttgart.deUNSPECIFIED
Putze, Uweputze (at) irs.uni-stuttgart.deUNSPECIFIED
von Schoenermark, Mariamaria.schoenermark (at) dlr.deUNSPECIFIED
Journal or Publication Title:Proceedings RAQRS III
Refereed publication:No
Open Access:No
Gold Open Access:No
In ISI Web of Science:No
Status:In Press
Keywords:high resolution remote sensing, UAV, precision farming
Event Title:The 3rd International Symposium on Recent Advances in Quantitative Remote Sensing, RAQRS III
Event Location:Valencia, Spanien
Event Type:international Conference
Event Dates:27. Sept. - 1.Oct 2010
Organizer:EU, esa,Generalität Valencia, Universität Valencia
HGF - Research field:Aeronautics, Space and Transport (old)
HGF - Program:Space (old)
HGF - Program Themes:W EO - Erdbeobachtung
DLR - Research area:Space
DLR - Program:W EO - Erdbeobachtung
DLR - Research theme (Project):W - Vorhaben Photogrammetrie und Bildanalyse (old)
Location: Oberpfaffenhofen
Institutes and Institutions:Space Operations and Astronaut Training > GSOC-German Space Operations Center
Deposited By: Schönermark, Maria
Deposited On:13 Jan 2011 11:00
Last Modified:13 Jan 2011 11:00

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