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2020 – today
- 2024
[j15]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: 103616 (2024)- 2023
- [i1]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 abs/2310.05227 (2023) - 2022
- [j14]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): 802 (2022) - [c11]Nazak Rouzegari, Vahid Nourani, Ralf Ludwig, Patrick Laux:
Assessing the Performance of a Machine Learning-Based Hybrid Model in Downscaling Precipitation Data. ICHSA 2022: 235-245 - 2021
- [j13]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: 102234 (2021)
2010 – 2019
- 2019
- [j12]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): 1919 (2019) - [j11]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): 3662 (2019) - [j10]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): 4351-4360 (2019) - 2018
- [j9]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: 123-135 (2018) - [j8]Viktoriya Tsyganskaya, Sandro Martinis, Philip Marzahn, Ralf Ludwig:
Detection of Temporary Flooded Vegetation Using Sentinel-1 Time Series Data. Remote. Sens. 10(8): 1286 (2018) - [j7]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): 5433-5442 (2018) - [c10]Moritz Link, Dara Entekhabi, Thomas Jagdhuber, Paolo Ferrazzoli, Leila Guerriero, Martin J. Baur, Ralf Ludwig:
Vegetation Effects on Covariations of L-Band Radiometer and C-Band/L-Band Radar Observations. IGARSS 2018: 357-360 - 2017
- [j6]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): 4074-4093 (2017) - [c9]Moritz Link, Dara Entekhabi, Thomas Jagdhuber, Paolo Ferrazzoli, Leila Guerriero, Martin J. 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: 4143-4146 - 2014
- [j5]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): 2008-2023 (2014) - 2013
- [j4]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): 461-465 (2013) - 2012
- [j3]Philip Marzahn, Moritz Seidel, Ralf Ludwig:
Decomposing Dual Scale Soil Surface Roughness for Microwave Remote Sensing Applications. Remote. Sens. 4(7): 2016-2032 (2012) - [c8]Lu Dong, Philip Marzahn, Ralf Ludwig:
Operational surface soil moisture retrieval by c-band SAR imagery in a semi-arid environment. IGARSS 2012: 626-629 - [c7]Philip Marzahn, Urs Wegmüller, Francesco Mattia, Ralf Ludwig:
"Flashing Fields" and the impact of soil surface roughness. IGARSS 2012: 6963-6966 - [c6]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: 7039-7042 - 2011
- [c5]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: 1-3
2000 – 2009
- 2008
- [j2]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): 192-201 (2008) - 2006
- [j1]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): 889-899 (2006) - 2005
- [c4]Alexander Löw, Ralf Ludwig, Wolfram Mauser:
Derivation of near surface soil moisture patterns from ENVISAT ASAR data. IGARSS 2005: 4 - [c3]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: 1955-1958 - 2004
- [c2]Alexander Löw, Björn Waske, Ralf Ludwig, Wolfram Mauser:
Derivation of hydrological parameters from ENVISAT ASAR wide swath data. IGARSS 2004: 3522-3525 - 2003
- [c1]Alexander Löw, Ralf Ludwig, Wolfram Mauser:
Mesoscale soil moisture estimation from SAR data using subscale landuse information. IGARSS 2003: 1396-1398
Coauthor Index
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