André Twele
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View article: Global WaterPack - The development of global surface water over the past 20 years at daily temporal resolution
Global WaterPack - The development of global surface water over the past 20 years at daily temporal resolution Open
Open surface water across the globe is essential for many life forms and is an important source for human settlements, agriculture, and industry. The presence and variation in time and space is influenced by different natural conditions (e…
View article: Explore and Analyse Atmospheric Composition – perform multi-domain correlations with Innovative Online Data Access Services (Data Cubes)
Explore and Analyse Atmospheric Composition – perform multi-domain correlations with Innovative Online Data Access Services (Data Cubes) Open
DLR’s EOC Geoservice (https://geoservice.dlr.de) is operational for than 10 years and provides access to a multitude of operational EO and EO-related products via OGC-compliant interfaces WMS and WCS. ISO metadata on data collections…
View article: World Settlement Footprint
World Settlement Footprint Open
Rapid urbanization is increasingly challenging in multiple domains including ecological, economic and social issues. In order to understand interrelationships between human habitat in relation to nature, to assess natural hazards more accu…
View article: World Settlement Footprint
World Settlement Footprint Open
Rapid urbanization is increasingly challenging in multiple domains including ecological, economic and social issues. In order to understand interrelationships between human habitat in relation to nature, to assess natural hazards more accu…
View article: World Settlement Footprint
World Settlement Footprint Open
Rapid urbanization is increasingly challenging in multiple domains including ecological, economic and social issues. In order to understand interrelationships between human habitat in relation to nature, to assess natural hazards more accu…
View article: The DLR project ELK: Mapping the global, regional and national emissions of transport
The DLR project ELK: Mapping the global, regional and national emissions of transport Open
Transport and the related economic sectors contribute significantly to climate change. Emissions from these sectors are continuously growing, challenging the achievement of the Paris agreement. These sectors also have detrimental impacts o…
View article: A three-class change detection methodology for SAR-data based on hypothesis testing and Markov Random field modelling
A three-class change detection methodology for SAR-data based on hypothesis testing and Markov Random field modelling Open
This study presents a new automatic change detection process chain based on bi-temporal co-registered and calibrated Sentinel-1 level-1 Interferometric Wide Ground Range Detected C-band synthetic aperture radar intensity imagery. The whole…
View article: ASAPTERRA - Advancing SAR and Optical Methods for Rapid Mapping
ASAPTERRA - Advancing SAR and Optical Methods for Rapid Mapping Open
Optical and radar satellite remote sensing have proven to provide essential crisis information in case of natural disasters, humanitarian relief activities and civil security issues in a growing number of cases through mechanisms such as t…
View article: A FUZZY LOGIC-BASED APPROACH FOR THE DETECTION OF FLOODED VEGETATION BY MEANS OF SYNTHETIC APERTURE RADAR DATA
A FUZZY LOGIC-BASED APPROACH FOR THE DETECTION OF FLOODED VEGETATION BY MEANS OF SYNTHETIC APERTURE RADAR DATA Open
In this paper an algorithm designed to map flooded vegetation from synthetic aperture radar (SAR) imagery is introduced. The approach is based on fuzzy logic which enables to deal with the ambiguity of SAR data and to integrate multiple an…
View article: A FUZZY LOGIC-BASED APPROACH FOR THE DETECTION OF FLOODED VEGETATION BY MEANS OF SYNTHETIC APERTURE RADAR DATA
A FUZZY LOGIC-BASED APPROACH FOR THE DETECTION OF FLOODED VEGETATION BY MEANS OF SYNTHETIC APERTURE RADAR DATA Open
In this paper an algorithm designed to map flooded vegetation from synthetic aperture radar (SAR) imagery is introduced. The approach is based on fuzzy logic which enables to deal with the ambiguity of SAR data and to integrate multiple an…
View article: Landslide Mapping in Vegetated Areas Using Change Detection Based on Optical and Polarimetric SAR Data
Landslide Mapping in Vegetated Areas Using Change Detection Based on Optical and Polarimetric SAR Data Open
Mapping of landslides, quickly providing information about the extent of the affected area and type and grade of damage, is crucial to enable fast crisis response, i.e., to support rescue and humanitarian operations. Most synthetic apertur…
View article: Inundation mapping using C- and X-band SAR data: From algorithms to fully-automated flood services
Inundation mapping using C- and X-band SAR data: From algorithms to fully-automated flood services Open
Twele, André; Sandro, Martinis; Wenxi, Cao; Simon, Plank
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\nGerman Aerospace Center (DLR), Germany
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\nSince the establishment of the ZKI (Center for Satellite-Based Crisis Information) at the German Aerospace Center (DLR), the developm…