Holger Nies

51 papers C 25Journal 21Unranked 5
YearRankTypeTitle / Venue / Authors
2025 J jnl
Ground-Based Passive Radar Imaging Using Geostationary Satellites - Perspectives and Constraints.
IEEE Geosci. Remote. Sens. Lett.
Holger Nies, Florian Behner, Simon Reuter, Timur Mulic, Ivo Ihrke
2024 J jnl
Performance Analysis of Optical Flow Techniques for Airborne SAR Image Registration.
IEEE Trans. Geosci. Remote. Sens.
Prithvi Laguduvan Thyagarajan, Holger Nies, Patrick Berens, Ivo Ihrke
2023 J jnl
Complex-Valued End-to-End Deep Network With Coherency Preservation for Complex-Valued SAR Data Reconstruction and Classification.
IEEE Trans. Geosci. Remote. Sens.
Reza Mohammadi Asiyabi, Mihai Datcu, Andrei Anghel, Holger Nies
2022 J jnl
Characterization of the PAZ X-Band SAR Using the HITCHHIKER Ground Receiver.
IEEE Geosci. Remote. Sens. Lett.
Florian Behner, Simon Reuter, Holger Nies, Juan Manuel Cuerda Muñoz, Marcos García Rodríguez, Otmar Loffeld
2022 C conf
Complex-Valued Vs. Real-Valued Convolutional Neural Network for Polsar Data Classification.
IGARSS
Reza Mohammadi Asiyabi, Mihai Datcu, Holger Nies, Andrei Anghel
2020 J jnl
A Bistatic Analytical Approximation Model for Doppler Rate Estimation Error from Real-Time Spaceborne SAR Onboard Orbit Determination Data.
Remote. Sens.
Xiaoyu Yan, Jie Chen, Holger Nies, Otmar Loffeld
2019 C conf
Analysis of Quadratic Phase Error Introduced by Orbit Determination in Spaceborne Trinodal Pendulum Sar Formation Real-Time Imaging with Monte Carlo Simulation.
IGARSS
Xiaoyu Yan, Jie Chen, Holger Nies, Hongcheng Zeng, Otmar Loffeld
2019 J jnl
Analytical Approximation Model for Quadratic Phase Error Introduced by Orbit Determination Errors in Real-Time Spaceborne SAR Imaging.
Remote. Sens.
Xiaoyu Yan, Jie Chen, Holger Nies, Otmar Loffeld
2019 J jnl
Compact Ground-Based Interferometric Synthetic Aperture Radar: Short-range structural monitoring.
IEEE Signal Process. Mag.
Andrei Anghel, Mihai-Liviu Tudose, Remus Cacoveanu, Mihai Datcu, Giovanni Nico, Olimpia Masci, Dongyang Ao, Weiming Tian, Cheng Hu, Zegang Ding, Holger Nies, Otmar Loffeld, David Atencia, Samuel G. Huamán, Aleksander Medella, João Moreira
2016 J jnl
Synchronization and Processing in the HITCHHIKER Bistatic SAR Experiment.
IEEE J. Sel. Top. Appl. Earth Obs. Remote. Sens.
Florian Behner, Simon Reuter, Holger Nies, Otmar Loffeld
2013 C conf
Development of a deeply-coupled GPS/INS integration algorithm using quaternions.
FUSION
Yuhong Yang, Junchuan Zhou, Holger Nies, Otmar Loffeld, Stefan Knedlik
2012 J jnl
An imaging algorithm based on keystone transform for one-stationary bistatic SAR of spotlight mode.
EURASIP J. Adv. Signal Process.
Xiaolan Qiu, Florian Behner, Simon Reuter, Holger Nies, Otmar Loffeld, Lijia Huang, Donghui Hu, Chibiao Ding
2011 J jnl
Processing the Azimuth-Variant Bistatic SAR Data by Using Monostatic Imaging Algorithms Based on Two-Dimensional Principle of Stationary Phase.
IEEE Trans. Geosci. Remote. Sens.
Robert Wang, Yunkai Deng, Otmar Loffeld, Holger Nies, Ingo Walterscheid, Thomas Espeter, Jens Klare, Joachim H. G. Ender
2010 C conf
Analysis and compensation for motion errors in FMCW SAR data.
IGARSS
Robert Wang, Otmar Loffeld, Holger Nies, Valerij Peters, Manfred Hagelen, Helmut Essen
2010 J jnl
Bistatic SAR Experiments With PAMIR and TerraSAR-X - Setup, Processing, and Image Results.
IEEE Trans. Geosci. Remote. Sens.
Ingo Walterscheid, Thomas Espeter, Andreas R. Brenner, Jens Klare, Joachim H. G. Ender, Holger Nies, Robert Wang, Otmar Loffeld
2010 C conf
Development and experiments of a passive SAR receiver system in a bistatic spaceborne/stationary configuration.
IGARSS
Simon Reuter, Florian Behner, Holger Nies, Otmar Loffeld, Dietmar Matthes, Joachim Schiller
2010 J jnl
Focus FMCW SAR Data Using the Wavenumber Domain Algorithm.
IEEE Trans. Geosci. Remote. Sens.
Robert Wang, Otmar Loffeld, Holger Nies, Stefan Knedlik, Manfred Hagelen, Helmut Essen
2010 J jnl
Focusing Bistatic SAR Data in Airborne/Stationary Configuration.
IEEE Trans. Geosci. Remote. Sens.
Robert Wang, Otmar Loffeld, Yew Lam Neo, Holger Nies, Ingo Walterscheid, Thomas Espeter, Jens Klare, Joachim H. G. Ender
2010 C conf
Image formation algorithm for bistatic forward-looking SAR.
IGARSS
Robert Wang, Otmar Loffeld, Holger Nies, Valerij Peters
2010 C conf
Polarimetric and interferometric applications in a bistatic hybrid SAR mode using Terrasar-X.
IGARSS
Holger Nies, Florian Behner, Simon Reuter, Otmar Loffeld, Robert Wang
2009 J jnl
Chirp-Scaling Algorithm for Bistatic SAR Data in the Constant-Offset Configuration.
IEEE Trans. Geosci. Remote. Sens.
Robert Wang, Otmar Loffeld, Holger Nies, Stefan Knedlik, Joachim H. G. Ender
2009 J jnl
Focusing Spaceborne/Airborne Hybrid Bistatic SAR Data Using Wavenumber-Domain Algorithm.
IEEE Trans. Geosci. Remote. Sens.
Robert Wang, Otmar Loffeld, Holger Nies, Joachim H. G. Ender
2008 J jnl
A Bistatic Point Target Reference Spectrum for General Bistatic SAR Processing.
IEEE Geosci. Remote. Sens. Lett.
Robert Wang, Otmar Loffeld, Qurat Ul-Ann, Holger Nies, Amaya Medrano Ortiz, Ashraf Samarah
2008 — conf
Analysis and Processing of Spaceborne/Airborne Bistatic SAR Data.
IGARSS (3)
Robert Wang, Otmar Loffeld, Holger Nies, Qurat Ul-Ann, Amaya Medrano Ortiz, Stefan Knedlik, Ashraf Samarah
2008 — conf
Image Registration of TerraSAR-X Data using Different Information Measures.
IGARSS (4)
Holger Nies, Otmar Loffeld, Baki Dönmez, Amina Ben Hammadi, Robert Wang
2008 J jnl
Interactive Dynamic Range Reduction for SAR Images.
IEEE Geosci. Remote. Sens. Lett.
Martin Lambers, Holger Nies, Andreas Kolb
2008 — conf
Optimizing the Individual Azimuth Contribution of Transmitter and Receiver Phase terms in Loffeld's Bistatic Formula (LBF) for Bistatic SAR Processing.
IGARSS (3)
Qurat Ul-Ann, Otmar Loffeld, Holger Nies, Robert Wang, Stefan Knedlik
2008 J jnl
Phase Unwrapping for SAR Interferometry - A Data Fusion Approach by Kalman Filtering.
IEEE Trans. Geosci. Remote. Sens.
Otmar Loffeld, Holger Nies, Stefan Knedlik, Yu Wang
2008 — conf
Phase Unwrapping using 2D-Kalman Filter - Potential and Limitations.
IGARSS (4)
Holger Nies, Otmar Loffeld, Robert Wang
2008 — conf
Second-Order Motion Compensation in Bistatic Airborne SAR based on the Windowed Fourier-Transformation.
IGARSS (3)
Amaya Medrano Ortiz, Otmar Loffeld, Holger Nies, Robert Wang
2007 J jnl
Analysis and Focusing of Bistatic Airborne SAR Data.
IEEE Trans. Geosci. Remote. Sens.
Holger Nies, Otmar Loffeld, Koba Natroshvili
2007 C conf
GPu-based framework for interactive visualization of SAR data.
IGARSS
Martin Lambers, Andreas Kolb, Holger Nies, Marc Kalkuhl
2007 C conf
Parallel computation of synthetic SAR raw data.
IGARSS
Marc Kalkuhl, Peter Droste, Wolfgang Wiechert, Holger Nies, Otmar Loffeld, Martin Lambers
2007 C conf
Second-order motion compensation in bistatic airborne SAR based on a geometrical approach.
IGARSS
Amaya Medrano Ortiz, Otmar Loffeld, Holger Nies, Stefan Knedlik
2007 C conf
The bistatic aspect of the TanDEM-X mission.
IGARSS
Holger Nies, Otmar Loffeld, Koba Natroshvili, Marc Kalkuhl
2006 C conf
2D Inverse Scaling Bistatic Processing and the focused Image Quality Measurements.
IGARSS
Koba Natroshvili, Otmar Loffeld, Holger Nies, Joachim H. G. Ender
2006 C conf
A Solution for Bistatic Motion Compensation.
IGARSS
Holger Nies, Otmar Loffeld, Koba Natroshvili, Amaya Medrano Ortiz
2006 C conf
Bistatic Exploration using Spaceborne and Airborne SAR Sensors: A Close Collaboration Between FGAN, ZESS, and FOMAAS.
IGARSS
Joachim H. G. Ender, Jens Klare, Ingo Walterscheid, Andreas R. Brenner, Matthias Weiss, C. Kirchner, Helmut Wilden, Otmar Loffeld, Andreas Kolb, Wolfgang Wiechert, Marc Kalkuhl, Stefan Knedlik, Ulrich Gebhardt, Holger Nies, Koba Natroshvili, S. Ige, Amaya Medrano Ortiz, A. Amankwah
2006 C conf
Bistatic Space Borne / Airborne Experiment: Geometrical Modeling and Simulation.
IGARSS
Ulrich Gebhardt, Otmar Loffeld, Holger Nies, Koba Natroshvili, Stefan Knedlik
2006 J jnl
Focusing of General Bistatic SAR Configuration Data With 2-D Inverse Scaled FFT.
IEEE Trans. Geosci. Remote. Sens.
Koba Natroshvili, Otmar Loffeld, Holger Nies, Amaya Medrano Ortiz, Stefan Knedlik
2006 C conf
Modular SAR Simulator for Bi- and Multistatic Constellations.
IGARSS
Marc Kalkuhl, Peter Droste, Wolfgang Wiechert, Holger Nies, Otmar Loffeld
2005 C conf
Comparison of doppler centroid estimators in bistatic airborne SAR.
IGARSS
Amaya Medrano Ortiz, Otmar Loffeld, Stefan Knedlik, Holger Nies, Koba Natroshvili
2005 C conf
First steps to bistatic focusing.
IGARSS
Koba Natroshvili, Otmar Loffeld, Holger Nies, Amaya Medrano Ortiz
2005 C conf
Parameter estimation for bistatic constellations.
IGARSS
Holger Nies, Otmar Loffeld, Koba Natroshvili, Ingo Walterscheid, Andreas R. Brenner
2004 C conf
A data fusion approach for distributed orbit estimation.
IGARSS
Holger Nies, Otmar Loffeld, Stefan Knedlik, Ulrich Gebhardt, Wolfgang Wiechert
2004 J jnl
Models and useful relations for bistatic SAR processing.
IEEE Trans. Geosci. Remote. Sens.
Otmar Loffeld, Holger Nies, Valerij Peters, Stefan Knedlik
2004 C conf
Orbit tracking and interpolation using a realistic gravitation model.
IGARSS
Ulrich Gebhardt, Otmar Loffeld, Marc Kalkuhl, Holger Nies, Stefan Knedlik
2003 C conf
Models and useful relations for bistatic SAR processing.
IGARSS
Otmar Loffeld, Holger Nies, Valerij Peters, Stefan Knedlik
2003 C conf
Orbit estimation of the interferometric cartwheel using an extended linearized Kalman filter.
IGARSS
Holger Nies, Otmar Loffeld, Ulrich Gebhardt, Valerij Peters
2003 C conf
Orbit modeling related to cartwheel geometry.
IGARSS
Ulrich Gebhardt, Otmar Loffeld, Holger Nies, Valerij Peters
2003 C conf
Sensitivity of DEMs generated from interferometric cartwheel configurations.
IGARSS
Stefan Knedlik, Otmar Loffeld, Holger Nies