Results 1 to 10 of about 680,299 (306)

TanDEM-X PolarDEM 90 m of Antarctica: generation and error characterization [PDF]

The Cryosphere, 2021
We present the generation and validation of an updated version of the TanDEM-X digital elevation model (DEM) of Antarctica: the TanDEM-X PolarDEM 90 m of Antarctica.
B. Wessel, M. Huber, C. Wohlfart, C. Wohlfart, A. Bertram, N. Osterkamp, U. Marschalk, A. Gruber, A. Gruber, F. Reuß, F. Reuß, S. Abdullahi, I. Georg, A. Roth   +13 more
doaj   +1 more source

Potential and Challenges of Harmonizing 40 Years of AVHRR Data: The TIMELINE Experience

Remote Sensing, 2021
Earth Observation satellite data allows for the monitoring of the surface of our planet at predefined intervals covering large areas. However, there is only one medium resolution sensor family in orbit that enables an observation time span of 40 and more
Stefan Dech, Stefanie Holzwarth, Sarah Asam, Thorsten Andresen, Martin Bachmann, Martin Boettcher, Andreas Dietz, Christina Eisfelder, Corinne Frey, Gerhard Gesell, Ursula Gessner, Andreas Hirner, Matthias Hofmann, Grit Kirches, Doris Klein, Igor Klein, Tanja Kraus, Detmar Krause, Simon Plank, Thomas Popp, Sophie Reinermann, Philipp Reiners, Sebastian Roessler, Thomas Ruppert, Alexander Scherbachenko, Ranjitha Vignesh, Meinhard Wolfmueller, Hendrik Zwenzner, Claudia Kuenzer   +28 more
doaj   +1 more source

Shaping the Global High-Resolution TanDEM-X Digital Elevation Model

IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing, 2021
The global digital elevation model (DEM) produced by the TanDEM-X (TerraSAR-X add-on for digital elevation measurements) mission is an interferometric elevation model with unprecedented quality, accuracy, and coverage.
Martin Huber, Nicole Osterkamp, Ursula Marschalk, Raphael Tubbesing, Anna Wendleder, Birgit Wessel, Achim Roth   +6 more
doaj   +1 more source

Study of Digital Elevation Model (DEM) Extraction using Stereo Radargrammetry TerraSAR-X in Madiun Area – Elevation Accuracy Improvement [PDF]

E3S Web of Conferences, 2019
High resolution images data from Terrasar-X are used to extract digital elevation model (DEM) using stereo radargrammetry in the attempt to achieve better resolution of terrain surface in Indonesia.
Sari Inggit L., Maulana Rachmat, Dyatmika Haris S., Suprijanto Agus, Arief Rahmat, Ali Shadiq   +5 more
doaj   +1 more source

Seasonal Vegetation Trends for Europe over 30 Years from a Novel Normalised Difference Vegetation Index (NDVI) Time-Series—The TIMELINE NDVI Product

Remote Sensing, 2023
Remote sensing multi-decadal time-series provide important information for analysing long-term environmental change. The Advanced Very High Resolution Radiometer (AVHRR) has been providing data since the early 1980s.
Christina Eisfelder, Sarah Asam, Andreas Hirner, Philipp Reiners, Stefanie Holzwarth, Martin Bachmann, Ursula Gessner, Andreas Dietz, Juliane Huth, Felix Bachofer, Claudia Kuenzer   +10 more
doaj   +1 more source

Data Validation and Case Studies using the TET-1 Thermal Infrared Satellite System [PDF]

The International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences, 2015
Based on the DLR satellite system BIRD, launched and operated in the early 2000, the TET-1 satellite has been launched in 2012 as part of the FireBird satellite constellation.
C. Fischer, D. Klein, G. Kerr, E. Stein, E. Lorenz, O. Frauenberger, E. Borg   +6 more
doaj   +1 more source

A First Assessment of Canopy Cover Loss in Germany’s Forests after the 2018–2020 Drought Years

Remote Sensing, 2022
Central Europe was hit by several unusually strong periods of drought and heat between 2018 and 2020. These droughts affected forest ecosystems. Cascading effects with bark beetle infestations in spruce stands were fatal to vast forest areas in Germany ...
Frank Thonfeld, Ursula Gessner, Stefanie Holzwarth, Jennifer Kriese, Emmanuel da Ponte, Juliane Huth, Claudia Kuenzer   +6 more
doaj   +1 more source

A NEW HIGH-RESOLUTION ELEVATION MODEL OF GREENLAND DERIVED FROM TANDEM-X [PDF]

ISPRS Annals of the Photogrammetry, Remote Sensing and Spatial Information Sciences, 2016
In this paper we present for the first time the new digital elevation model (DEM) for Greenland produced by the TanDEM-X (TerraSAR add-on for digital elevation measurement) mission.
B. Wessel, A. Bertram, A. Gruber, S. Bemm, S. Dech   +4 more
doaj   +1 more source

Sentinel-1-Based Water and Flood Mapping: Benchmarking Convolutional Neural Networks Against an Operational Rule-Based Processing Chain

IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing, 2022
In this study, the effectiveness of several convolutional neural network architectures (AlbuNet-34/FCN/DeepLabV3+/U-Net/U-Net++) for water and flood mapping using Sentinel-1 amplitude data is compared to ...
Max Bereczky, Marc Wieland, Christian Krullikowski, Sandro Martinis, Simon Plank   +4 more
doaj   +1 more source

HYPERSPECTRAL DATA CLASSIFICATION USING FACTOR GRAPHS [PDF]

The International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences, 2012
Accurate classification of hyperspectral data is still a competitive task and new classification methods are developed to achieve desired tasks of hyperspectral data use.
A. Makarau, R. Müller, G. Palubinskas, P. Reinartz   +3 more
doaj   +1 more source