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A customized airborne optical remote sensing system for polar environments

Bucher, Tilman and Brauchle, Jörg and Steinhage, Daniel (2018) A customized airborne optical remote sensing system for polar environments. Bibliothek Wissenschaftspark Albert Einstein. 15th International Circumpolar Remote Sensing Symposium (ICRSS), 10.-14. Sep. 2018, Potsdam, Deutschland. doi: 10.2312/GFZ.LIS.2018.002.

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The DLR Institute of Optical Sensor Systems has developed a Modular Aerial Camera System specifically designed for extreme environmental conditions (MACS-POLAR). It is integrated on the AWI Polar-5 research aircraft for permafrost campaigns in Alaska and Canada in summer 2018. MACS is a modular family of project-customized aerial camera systems adapted to specific scientific and operational requirements. Based on the MACS-Himalaya, a system designed for the extreme radiometry and geometry of high mountain ranges, the design of the MACS-POLAR has maintained its robustness (low temperature, low pressure). It comprises a High Dynamic Range (HDR)-Mode for extreme contrast (ice, snow, dark rocks) and a high frame rate for fast velocities and low flight paths, still maintaining sufficient image overlap for 3D-reconstruction. The optical design consists of two overlapping tilted RGB camera heads and a nadir looking near-infrared (IR) camera (ground sampling distance RGB: 9 cm; IR: 15 cm @ 1000 m above ground). The sensor head can be separated from the processing unit to enable installation in small compartments (Fig. 1). In the system small and lightweight industrial grade camera heads are used. Direct georeferencing, real-time processing of image mosaics and multitemporal monitoring without the need of ground control points is possible due to the use of its GNSS (Global Navigation Satellite System) and INS (Inertial Navigation System) units. The operation of the system is highly automated, a remote real-time mission control and access to the images during data acquisition is given to the operator if needed. Products such as dense point clouds, Digital Surface Models and true orthomosaics will be used for scientific analysis of permafrost regions. Near real-time mosaics can be used during the campaign for quality control and planning of ground campaigns.

Item URL in elib:https://elib.dlr.de/121813/
Document Type:Conference or Workshop Item (Speech)
Title:A customized airborne optical remote sensing system for polar environments
AuthorsInstitution or Email of AuthorsAuthor's ORCID iD
Bucher, TilmanTilman.Bucher (at) dlr.deUNSPECIFIED
Brauchle, JörgJoerg.Brauchle (at) dlr.deUNSPECIFIED
Steinhage, DanielAlfred Wegener Institute Helmholtz Centre for Polar and Marine Research, Bremerhafen, GermanyUNSPECIFIED
Date:September 2018
Refereed publication:Yes
Open Access:No
Gold Open Access:No
In ISI Web of Science:No
DOI :10.2312/GFZ.LIS.2018.002
Page Range:p. 42
EditorsEmailEditor's ORCID iD
Günther, FrankAlfred Wegener Institute, Helmholtz Centre for Polar and Marine ResearchUNSPECIFIED
Grosse, GuidoAlfred Wegener Institute, Helmholtz Centre for Polar and Marine ResearchUNSPECIFIED
Jones, BenjaminUnited States Geological SurveyUNSPECIFIED
Publisher:Bibliothek Wissenschaftspark Albert Einstein
Series Name:Book of Abstracts
Keywords:Polar, Remote Sensing, MACS, Modular Airborne Camera System
Event Title:15th International Circumpolar Remote Sensing Symposium (ICRSS)
Event Location:Potsdam, Deutschland
Event Type:international Conference
Event Dates:10.-14. Sep. 2018
Organizer:Alfred Wegener Institute Helmholtz Centre for Polar and Marine Research
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:Space
HGF - Program Themes:Earth Observation
DLR - Research area:Raumfahrt
DLR - Program:R EO - Earth Observation
DLR - Research theme (Project):R - Optical Technologies and Applications
Location: Berlin-Adlershof
Institutes and Institutions:Institute of Optical Sensor Systems > Security Research and Applications
Deposited By: Bucher, Tilman
Deposited On:25 Sep 2018 10:15
Last Modified:25 Sep 2018 10:15

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