On the design of the ground segment for the future hyperspectral satellite mission EnMAP

Storch, Tobias; Eberle, Sabrina; Makasy, Christine; Maslin, Simon; Miguel, Amaia de; Missling, Klaus-Dieter; Mühle, Helmut; Müller, Rupert; Engelbrecht, Sabine; Gredel, Jörg; Müller, Andreas

doi:10.1109/aero.2010.5446858

Cited by 5 publications

(3 citation statements)

References 3 publications

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“…The ground segment (GS) is led by the Earth Observation Center (EOC; www.eoc.dlr.de) and the German Space Operations Center (GSOC; www.gsoc.dlr.de) at DLR. 8 The EOC has long lasting experience with ground-based, airborne, and spaceborne (hyperspectral) data, whereas the GSOC controls and commands several satellite missions. Based on the information of Sec.…”

Section: Ground Segmentmentioning

confidence: 99%

Towards a critical design of an operational ground segment for an Earth observation mission

Storch

Habermeyer

Eberle

et al. 2013

J. Appl. Remote Sens

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The ground segment for the future remote sensing mission Environmental Mapping and Analysis Program (EnMAP; www.enmap.org) is developed by the Earth Observation Center and the German Space Operations Center at the German Aerospace Center. The launch is scheduled for 2017. An operational satellite ground segment is a highly complex heterogeneous system which has to cope with different levels of criticality, novelty, specificity, and to be operated for many years. It consists of equipment, hard-and software as well as operators with their procedures. The strengths of the global coherence of the segment-wide approach bringing these aspects together is examined and not on the local details of segment-specific issues. However, the effects on two software-based elements of the ground segment are considered in more detail, namely the product library and the level 2geo processor. The development methodology and how the critical design of the complete ground segment finished its detailed design phase successfully was achieved is analyzed. As a measure of the maturity of the design, its stability across the project phases is proposed.

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Section: Ground Segmentmentioning

confidence: 99%

Towards a critical design of an operational ground segment for an Earth observation mission

Storch

Habermeyer

Eberle

et al. 2013

J. Appl. Remote Sens

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“…Second, the space segment is responsible for producing the bus and the hyperspectral imager, its integration and testing, as well as the launch; these activities are led by OHB System AG. Third, the ground segment [10][11][12] links the user and space segment by providing facilities and systems for operating the satellite and retrieval of the targeted scientific data; it is led by the Earth Observation Center (EOC) and the German Space Operations Center (GSOC) at DLR.…”

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confidence: 99%

The EnMAP Mission Planning System

Fruth

Lenzen

Gross

et al. 2018

2018 SpaceOps Conference

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The Environmental Monitoring and Analysis Program mission (EnMAP) is a German hyperspectral Earth observation mission, currently scheduled for launch in 2020. The EnMAP Mission Planning System (MPS), developed and operated by the German Space Operations Center (GSOC), is one of 15 subsystems constituting the EnMAP Ground Segment. Its main task is to compile and maintain a conflict-free timeline for routine operations that does not violate any constraints of the spacecraft (e. g. regarding power or onboard memory); this timeline will regularly be commanded to the spacecraft. This paper gives an overview of the current EnMAP MPS design, including the special requirements of the EnMAP mission, the components of the MPS and its most important external interfaces. The design of the EnMAP MPS largely builds on our experience gathered during the TerraSAR-X/TanDEM-X mission and has been developed further. Novel technologies include the Reactive Planning framework, which particularly stands out due to its high responsiveness to user input. Particular attention is furthermore paid to the inclusion of cloud coverage and sunglint information into the planning process-two challenges which are specific to EnMAP observing in the optical and near infrared part of the spectrum.

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“…To prepare for the hyperspectral satellite mission EnMAP (Environmental Mapping and Analysis Program) (Storch et al, 2010), the German Aerospace Center (DLR) acquired two HySpex cameras from Norwegian company NEO in 2011 (Baumgartner et al, 2012). For now these cameras are mainly used to develop new and optimize existing processing methods for hyperspectral data, but in the future they will also serve to validate EnMAP data.…”

Section: Introductionmentioning

confidence: 99%

Improving HySpex Sensor Co-registration Accuracy using BRISK and Sensor-model based RANSAC

Schwind

Schneider

Müller

2014

Int. Arch. Photogramm. Remote Sens. Spatial Inf. Sci.

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ABSTRACT:In this paper a method to improve the co-registration accuracy of two separate HySpex SWIR and VNIR cameras is proposed. The first step of the presented approach deals with the detection of point features from both scenes using the BRISK feature detector. After matching these features, the match coordinates in the VNIR scene are orthorectified and the resulting ground control points in the SWIR scene are filtered using a sensor-model based RANSAC. This implementation of RANSAC estimates the boresight angles of a scene by iteratively fitting the sensor-model to a subset of the matches. The boresight angles which can be applied to most of the remaining matches are then used to orthorectify the scene. Compared to previously used methods, the main advantages of this approach are the high robustness against outliers and the reduced runtime. The proposed methodology was evaluated using a test data set and it is shown in this work that the use of BRISK for feature detection followed by sensor-model based RANSAC significantly improves the co-registration accuracy of the imagery produced by the two HySpex sensors.

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On the design of the ground segment for the future hyperspectral satellite mission EnMAP

Cited by 5 publications

References 3 publications

Towards a critical design of an operational ground segment for an Earth observation mission

Towards a critical design of an operational ground segment for an Earth observation mission

The EnMAP Mission Planning System

Improving HySpex Sensor Co-registration Accuracy using BRISK and Sensor-model based RANSAC

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