Andreas Reigber
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View article: Calibration and Validation Activities in the Context of the 2023 GABONX Airborne SAR Campaign for Tropical Forest Height and Change Analysis over Gabon
Calibration and Validation Activities in the Context of the 2023 GABONX Airborne SAR Campaign for Tropical Forest Height and Change Analysis over Gabon Open
Tropical forests are of great ecological and climatological importance. Although they only cover about 6% of Earth’s surface, they are home to approx. 50% of the world’s animal and plant species. Their trees store 50% more carb…
View article: Pol-InSAR-Island - A benchmark dataset for multi-frequency Pol-InSAR data land cover classification
Pol-InSAR-Island - A benchmark dataset for multi-frequency Pol-InSAR data land cover classification Open
This paper presents Pol-InSAR-Island, the first publicly available multi-frequency Polarimetric Interferometric Synthetic Aperture Radar (Pol-InSAR) dataset labeled with detailed land cover classes, which serves as a challenging benchmark …
View article: Towards On-Board SAR Processing with FPGA Accelerators and a PCIe Interface
Towards On-Board SAR Processing with FPGA Accelerators and a PCIe Interface Open
This article addresses a novel methodology for the utilization of Field Programmable Gate Array (FPGA) accelerators in on-board Synthetic Aperture Radar (SAR) processing routines. The methodology consists of using High-Level Synthesis (HLS…
View article: Statistical Regularization for TomoSAR Imaging With Multiple Polarimetric Observations
Statistical Regularization for TomoSAR Imaging With Multiple Polarimetric Observations Open
The polarimetric versions of focusing techniques for synthetic aperture radar (SAR) tomography (TomoSAR), apart from estimating the pseudopower and retrieving the height of reflectors from the recovered local maxima, allow extracting the a…
View article: Integrated analysis of remote sensing and numerical oil drift simulations for improved oil spill preparedness capabilities
Integrated analysis of remote sensing and numerical oil drift simulations for improved oil spill preparedness capabilities Open
<p><strong>Integrated analysis of remote sensing and numerical oil drift simulations for </strong><strong>improved </strong><strong>oil spill preparedness capabilities</strong></p>&l…
View article: Resolution Enhancement of Spatial Parametric Methods via Regularization
Resolution Enhancement of Spatial Parametric Methods via Regularization Open
—The spatial spectral estimation problem has applications in a variety of fields, including radar, telecommunications, and biomedical engineering. Among the different ap-proaches for estimating the spatial spectral pattern, there are sever…
View article: Integrated Analysis of Multisensor Datasets and Oil Drift Simulations—A Free‐Floating Oil Experiment in the Open Ocean
Integrated Analysis of Multisensor Datasets and Oil Drift Simulations—A Free‐Floating Oil Experiment in the Open Ocean Open
A free‐floating oil spill experiment (two oil types) in the open ocean is described, and the results from slick characterization through integrated analysis of drift simulations with remote sensing and in situ data are discussed. We compar…
View article: Parameter Selection Criteria for Tomo-SAR Focusing
Parameter Selection Criteria for Tomo-SAR Focusing Open
The synthetic aperture radar (SAR) tomography (TomoSAR) inverse problem is commonly tackled in the context of the direc-tion-of-arrival estimation theory. The latter allows achieving super-resolution, along with ambiguity levels reduction,…
View article: Multi-Platform, Multi-Frequency SAR Campaign with the F-SAR and Miranda35 Sensors
Multi-Platform, Multi-Frequency SAR Campaign with the F-SAR and Miranda35 Sensors Open
Multi-platform campaigns open up new opportunities and allow a comparison and analysis of SAR signatures of the same area at different frequency bands and incident angles. In this paper, we make use of two different sensor systems: DLR's p…
View article: Single-Look SAR Tomography of Urban Areas
Single-Look SAR Tomography of Urban Areas Open
Synthetic aperture radar (SAR) tomography (TomoSAR) is a multibaseline interferometric technique that estimates the power spectrum pattern (PSP) along the perpendicular to the line-of-sight (PLOS) direction. TomoSAR achieves the separation…
View article: Dual-Frequency Airborne SAR for Large Scale Mapping of Tidal Flats
Dual-Frequency Airborne SAR for Large Scale Mapping of Tidal Flats Open
Digital elevation models of tidal flats are a most valuable data source for the water management of coastal areas and need frequent updates to account for changes in sedimentation, erosion and identification of damages in building infrastr…
View article: The High-Resolution Digital-Beamforming Airborne SAR System DBFSAR
The High-Resolution Digital-Beamforming Airborne SAR System DBFSAR Open
Synthetic Aperture Radar (SAR) is an established remote sensing technique that can robustly provide high-resolution imagery of the Earth’s surface. However, current space-borne SAR systems are limited, as a matter of principle, in achievin…
View article: Statistical Regularization for Enhanced TomoSAR Imaging
Statistical Regularization for Enhanced TomoSAR Imaging Open
One of the main topics in synthetic aperture radar (SAR) tomography (TomoSAR) is the estimation of the vertical structures’ location, which scatter the field back towards the sensor, constrained to a reduced number of passes. Moreover, the…
View article: Robust, Model-Based External Calibration of Multi-Channel Airborne SAR Sensors Using Range Compressed Raw Data
Robust, Model-Based External Calibration of Multi-Channel Airborne SAR Sensors Using Range Compressed Raw Data Open
The paper describes a method for the accurate calibration of multi-channel SAR instruments, such as those required to support SAR polarimetry, single-pass interferometry and digital beam-forming (DBF), on the basis of dedicated SAR acquisi…
View article: TomoSAR Imaging for the Study of Forested Areas: A Virtual Adaptive Beamforming Approach
TomoSAR Imaging for the Study of Forested Areas: A Virtual Adaptive Beamforming Approach Open
Among the objectives of the upcoming space missions Tandem-L and BIOMASS, is the 3-D representation of the global forest structure via synthetic aperture radar (SAR) tomography (TomoSAR). To achieve such a goal, modern approaches suggest s…
View article: First Interferometric Trials with the Airborne Digital-Beamforming DBFSAR System
First Interferometric Trials with the Airborne Digital-Beamforming DBFSAR System Open
The Microwaves and Radar Institute of the German Aerospace Center (DLR) is known for its consistent work on the field of airborne Synthetic Aperture Radar and its application. Currently, the Institute is developing a new advanced airborne …
View article: Large-baseline InSAR for precise topographic mapping: a framework for TanDEM-X large-baseline data
Large-baseline InSAR for precise topographic mapping: a framework for TanDEM-X large-baseline data Open
The global Digital Elevation Model (DEM) resulting from the TanDEM-X mission provides information about the world topography with outstanding precision. In fact, performance analysis carried out with the already available data have shown t…
View article: 3D imaging for underfoliage targets using L-band Multi-Baseline PolInSAR Data and sparse estimation methods
3D imaging for underfoliage targets using L-band Multi-Baseline PolInSAR Data and sparse estimation methods Open
International audience
View article: 3D Characterization of Underfoliage Targets Using L-band To- mographic SAR Data and A Wavelet-Based Approach
3D Characterization of Underfoliage Targets Using L-band To- mographic SAR Data and A Wavelet-Based Approach Open
International audience
View article: 3D Characterization of Underfoliage Targets Using L-band Tomographic SAR Data and A Wavelet-Based Approach
3D Characterization of Underfoliage Targets Using L-band Tomographic SAR Data and A Wavelet-Based Approach Open
SAR imaging of underfoliage targets has to face a complex mixture of diverse scattering mechanisms. To characterize this complex scattering environment, nonparametric tomographic estimators are more robust to focusing artefacts but limited…
View article: The DALO-ARCTIC Campaign - Multi-spectral SAR Imaging of Ice Features in Greenland
The DALO-ARCTIC Campaign - Multi-spectral SAR Imaging of Ice Features in Greenland Open
In May 2015, the Danish Defence Acquisition and Logistics Organization (DALO) together with the German Aerospace
\nCenter (DLR) conducted the joint DALO-ARCTIC airborne SAR campaign with the F-SAR sensor over several test-
\nsites in Green…
View article: Three-dimensional and higher-order imaging with tomographic SAR: Techniques, applications, issues
Three-dimensional and higher-order imaging with tomographic SAR: Techniques, applications, issues Open
SAR tomography is a remote sensing technique, extending SAR interferometry, that allows three-dimensional imaging of multiple height-distributed point-like scatterers or volumetric targets. It allows, for example, to solve layover urban sc…