Login / Signup
Ralf Ludwig
ORCID
Publication Activity (10 Years)
Years Active: 2003-2024
Publications (10 Years): 14
Top Topics
Soil Moisture
Thermal Infrared
Sar Data
Machine Learning
Top Venues
Remote. Sens.
Int. J. Appl. Earth Obs. Geoinformation
IGARSS
IEEE J. Sel. Top. Appl. Earth Obs. Remote. Sens.
</>
Publications
</>
Yueli Chen
,
Shile Li
,
Lingxiao Wang
,
Magdalena Mittermeier
,
Monique Bernier
,
Ralf Ludwig
Retrieving freeze-thaw states using deep learning with remote sensing data in permafrost landscapes.
Int. J. Appl. Earth Obs. Geoinformation
126 (2024)
Qingsong Xu
,
Yilei Shi
,
Jonathan L. Bamber
,
Ye Tuo
,
Ralf Ludwig
,
Xiao Xiang Zhu
Physics-aware Machine Learning Revolutionizes Scientific Paradigm for Machine Learning and Process-based Hydrology.
CoRR
(2023)
Yueli Chen
,
Lingxiao Wang
,
Monique Bernier
,
Ralf Ludwig
Retrieving Freeze/Thaw Cycles Using Sentinel-1 Data in Eastern Nunavik (Québec, Canada).
Remote. Sens.
14 (3) (2022)
Nazak Rouzegari
,
Vahid Nourani
,
Ralf Ludwig
,
Patrick Laux
Assessing the Performance of a Machine Learning-Based Hybrid Model in Downscaling Precipitation Data.
ICHSA
(2022)
Yawei Wang
,
Pei Leng
,
Jian Peng
,
Philip Marzahn
,
Ralf Ludwig
Global assessments of two blended microwave soil moisture products CCI and SMOPS with in-situ measurements and reanalysis data.
Int. J. Appl. Earth Obs. Geoinformation
94 (2021)
Annette Dietmaier
,
Gregory J. McDermid
,
Mir Mustafizur Rahman
,
Julia Linke
,
Ralf Ludwig
Comparison of LiDAR and Digital Aerial Photogrammetry for Characterizing Canopy Openings in the Boreal Forest of Northern Alberta.
Remote. Sens.
11 (16) (2019)
Jian Peng
,
Jan-Peter Muller
,
Simon Blessing
,
Ralf Giering
,
Olaf Danne
,
Nadine Gobron
,
Saïd Kharbouche
,
Ralf Ludwig
,
Ben Müller
,
Guoyong Leng
,
Qinglong You
,
Zheng Duan
,
Simon J. Dadson
Can We Use Satellite-Based FAPAR to Detect Drought?
Sensors
19 (17) (2019)
Moritz Seidel
,
Philip Marzahn
,
Ralf Ludwig
Monitoring of a Sea-Dike in Northern Germany by Means of ERS-1, ENVISAT/ASAR, and Sentinel-1 SAR Interferometry.
IEEE J. Sel. Top. Appl. Earth Obs. Remote. Sens.
12 (11) (2019)
Yu Li
,
Sandro Martinis
,
Simon Plank
,
Ralf Ludwig
An automatic change detection approach for rapid flood mapping in Sentinel-1 SAR data.
Int. J. Appl. Earth Obs. Geoinformation
73 (2018)
Viktoriya Tsyganskaya
,
Sandro Martinis
,
Philip Marzahn
,
Ralf Ludwig
Detection of Temporary Flooded Vegetation Using Sentinel-1 Time Series Data.
Remote. Sens.
10 (8) (2018)
Moritz Link
,
Dara Entekhabi
,
Thomas Jagdhuber
,
Paolo Ferrazzoli
,
Leila Guerriero
,
Martin Baur
,
Ralf Ludwig
Vegetation Effects on Covariations of L-Band Radiometer and C-Band/L-Band Radar Observations.
IGARSS
(2018)
Yawei Wang
,
Jian Peng
,
Xiaoning Song
,
Pei Leng
,
Ralf Ludwig
,
Alexander Loew
Surface Soil Moisture Retrieval Using Optical/Thermal Infrared Remote Sensing Data.
IEEE Trans. Geosci. Remote. Sens.
56 (9) (2018)
Moritz Link
,
Dara Entekhabi
,
Thomas Jagdhuber
,
Paolo Ferrazzoli
,
Leila Guerriero
,
Martin Baur
,
Ralf Ludwig
Simulating L/L-band and C/L-band active-passive microwave covariation of crops with the Tor Vergata scattering and emission model for a SMAP-Sentinel 1 combination.
IGARSS
(2017)
Lingxiao Wang
,
Philip Marzahn
,
Monique Bernier
,
Andres Jacome
,
Jimmy Poulin
,
Ralf Ludwig
Comparison of TerraSAR-X and ALOS PALSAR Differential Interferometry With Multisource DEMs for Monitoring Ground Displacement in a Discontinuous Permafrost Region.
IEEE J. Sel. Top. Appl. Earth Obs. Remote. Sens.
10 (9) (2017)
Thomas Jagdhuber
,
Julia Stockamp
,
Irena Hajnsek
,
Ralf Ludwig
Identification of Soil Freezing and Thawing States Using SAR Polarimetry at C-Band.
Remote. Sens.
6 (3) (2014)
Lu Dong
,
Nicolas N. Baghdadi
,
Ralf Ludwig
Validation of the AIEM Through Correlation Length Parameterization at Field Scale Using Radar Imagery in a Semi-Arid Environment.
IEEE Geosci. Remote. Sens. Lett.
10 (3) (2013)
Nicolas N. Baghdadi
,
Mehrez Zribi
,
Ralf Ludwig
Sensitivity of C-band polarimetric SAR data to the soil surface parameters over bare agriculture fields.
IGARSS
(2012)
Philip Marzahn
,
Urs Wegmüller
,
Francesco Mattia
,
Ralf Ludwig
"Flashing Fields" and the impact of soil surface roughness.
IGARSS
(2012)
Lu Dong
,
Philip Marzahn
,
Ralf Ludwig
Operational surface soil moisture retrieval by c-band SAR imagery in a semi-arid environment.
IGARSS
(2012)
Philip Marzahn
,
Moritz Seidel
,
Ralf Ludwig
Decomposing Dual Scale Soil Surface Roughness for Microwave Remote Sensing Applications.
Remote. Sens.
4 (7) (2012)
Grigore Stamatescu
,
Kay Römer
,
Ralf Ludwig
,
Saleh M. Ibrahim
,
Valentin Sgarciu
Work in progress: MiceNet: Monitoring behaviour of laboratory mice with sensor networks.
DCOSS
(2011)
Oliver Nee
,
Andreas Hein
,
Thorsten Gorath
,
Nils Hulsmann
,
Gokce Laleci
,
Mustafa Yuksel
,
Mustafa Olduz
,
Ibrahim Tasyurt
,
Umut Orhan
,
Asuman Dogac
,
Ana Fruntelata
,
Silvin Ghiorghe
,
Ralf Ludwig
SAPHIRE: intelligent healthcare monitoring based on semantic interoperability platform: pilot applications.
IET Commun.
2 (2) (2008)
Alexander Loew
,
Ralf Ludwig
,
Wolfram Mauser
Derivation of surface soil moisture from ENVISAT ASAR wide swath and image mode data in agricultural areas.
IEEE Trans. Geosci. Remote. Sens.
44 (4) (2006)
Florian Appel
,
Heike Bach
,
Alexander Loew
,
Ralf Ludwig
,
Wolfram Mauser
,
Werner Schulz
Operational monitoring of the snow cover dynamics in Southern Germany: capabilities of optical and microwave remote sensing for improved flood forecast.
IGARSS
(2005)
Alexander Löw
,
Ralf Ludwig
,
Wolfram Mauser
Derivation of near surface soil moisture patterns from ENVISAT ASAR data.
IGARSS
(2005)
Alexander Löw
,
Björn Waske
,
Ralf Ludwig
,
Wolfram Mauser
Derivation of hydrological parameters from ENVISAT ASAR wide swath data.
IGARSS
(2004)
Alexander Löw
,
Ralf Ludwig
,
Wolfram Mauser
Mesoscale soil moisture estimation from SAR data using subscale landuse information.
IGARSS
(2003)