Holger Nies

Publication Activity (10 Years)

Years Active: 2003-2024
Publications (10 Years): 9

Top Topics

Phase History Data

Synthetic Aperture Radar

Gabor Transform

Top Venues

IEEE Trans. Geosci. Remote. Sens.

IEEE Geosci. Remote. Sens. Lett.

Publications

Prithvi Laguduvan Thyagarajan, Holger Nies, Patrick Berens, Ivo Ihrke
Performance Analysis of Optical Flow Techniques for Airborne SAR Image Registration. IEEE Trans. Geosci. Remote. Sens. 62 (2024)
Reza Mohammadi Asiyabi, Mihai Datcu, Andrei Anghel, Holger Nies
Complex-Valued End-to-End Deep Network With Coherency Preservation for Complex-Valued SAR Data Reconstruction and Classification. IEEE Trans. Geosci. Remote. Sens. 61 (2023)
Reza Mohammadi Asiyabi, Mihai Datcu, Holger Nies, Andrei Anghel
Complex-Valued Vs. Real-Valued Convolutional Neural Network for Polsar Data Classification. IGARSS (2022)
Florian Behner, Simon Reuter, Holger Nies, Juan Manuel Cuerda Muñoz, Marcos García Rodríguez, Otmar Loffeld
Characterization of the PAZ X-Band SAR Using the HITCHHIKER Ground Receiver. IEEE Geosci. Remote. Sens. Lett. 19 (2022)
Xiaoyu Yan, Jie Chen, Holger Nies, Otmar Loffeld
A Bistatic Analytical Approximation Model for Doppler Rate Estimation Error from Real-Time Spaceborne SAR Onboard Orbit Determination Data. Remote. Sens. 12 (19) (2020)
Xiaoyu Yan, Jie Chen, Holger Nies, Otmar Loffeld
Analytical Approximation Model for Quadratic Phase Error Introduced by Orbit Determination Errors in Real-Time Spaceborne SAR Imaging. Remote. Sens. 11 (14) (2019)
Xiaoyu Yan, Jie Chen, Holger Nies, Hong-cheng Zeng, Otmar Loffeld
Analysis of Quadratic Phase Error Introduced by Orbit Determination in Spaceborne Trinodal Pendulum Sar Formation Real-Time Imaging with Monte Carlo Simulation. IGARSS (2019)
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
Compact Ground-Based Interferometric Synthetic Aperture Radar: Short-range structural monitoring. IEEE Signal Process. Mag. 36 (4) (2019)
Florian Behner, Simon Reuter, Holger Nies, Otmar Loffeld
Synchronization and Processing in the HITCHHIKER Bistatic SAR Experiment. IEEE J. Sel. Top. Appl. Earth Obs. Remote. Sens. 9 (3) (2016)
Yuhong Yang, Junchuan Zhou, Holger Nies, Otmar Loffeld, Stefan Knedlik
Development of a deeply-coupled GPS/INS integration algorithm using quaternions. FUSION (2013)
Xiaolan Qiu, Florian Behner, Simon Reuter, Holger Nies, Otmar Loffeld, Lijia Huang, Donghui Hu, Chibiao Ding
An imaging algorithm based on keystone transform for one-stationary bistatic SAR of spotlight mode. EURASIP J. Adv. Signal Process. 2012 (2012)
Robert Wang, Yunkai Deng, Otmar Loffeld, Holger Nies, Ingo Walterscheid, Thomas Espeter, Jens Klare, Joachim H. G. Ender
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. 49 (10) (2011)
Robert Wang, Otmar Loffeld, Yew Lam Neo, Holger Nies, Ingo Walterscheid, Thomas Espeter, Jens Klare, Joachim H. G. Ender
Focusing Bistatic SAR Data in Airborne/Stationary Configuration. IEEE Trans. Geosci. Remote. Sens. 48 (1-2) (2010)
Robert Wang, Otmar Loffeld, Holger Nies, Valerij Peters, Manfred Hagelen, Helmut Essen
Analysis and compensation for motion errors in FMCW SAR data. IGARSS (2010)
Ingo Walterscheid, Thomas Espeter, Andreas R. Brenner, Jens Klare, Joachim H. G. Ender, Holger Nies, Robert Wang, Otmar Loffeld
Bistatic SAR Experiments With PAMIR and TerraSAR-X - Setup, Processing, and Image Results. IEEE Trans. Geosci. Remote. Sens. 48 (8) (2010)
Holger Nies, Florian Behner, Simon Reuter, Otmar Loffeld, Robert Wang
Polarimetric and interferometric applications in a bistatic hybrid SAR mode using Terrasar-X. IGARSS (2010)
Robert Wang, Otmar Loffeld, Holger Nies, Stefan Knedlik, Manfred Hagelen, Helmut Essen
Focus FMCW SAR Data Using the Wavenumber Domain Algorithm. IEEE Trans. Geosci. Remote. Sens. 48 (4-2) (2010)
Robert Wang, Otmar Loffeld, Holger Nies, Valerij Peters
Image formation algorithm for bistatic forward-looking SAR. IGARSS (2010)
Simon Reuter, Florian Behner, Holger Nies, Otmar Loffeld, Dietmar Matthes, Joachim Schiller
Development and experiments of a passive SAR receiver system in a bistatic spaceborne/stationary configuration. IGARSS (2010)
Robert Wang, Otmar Loffeld, Holger Nies, Joachim H. G. Ender
Focusing Spaceborne/Airborne Hybrid Bistatic SAR Data Using Wavenumber-Domain Algorithm. IEEE Trans. Geosci. Remote. Sens. 47 (7-2) (2009)
Robert Wang, Otmar Loffeld, Holger Nies, Stefan Knedlik, Joachim H. G. Ender
Chirp-Scaling Algorithm for Bistatic SAR Data in the Constant-Offset Configuration. IEEE Trans. Geosci. Remote. Sens. 47 (3) (2009)
Robert Wang, Otmar Loffeld, Qurat Ul-Ann, Holger Nies, Amaya Medrano Ortiz, Ashraf Samarah
A Bistatic Point Target Reference Spectrum for General Bistatic SAR Processing. IEEE Geosci. Remote. Sens. Lett. 5 (3) (2008)
Robert Wang, Otmar Loffeld, Holger Nies, Qurat Ul-Ann, Amaya Medrano Ortiz, Stefan Knedlik, Ashraf Samarah
Analysis and Processing of Spaceborne/Airborne Bistatic SAR Data. IGARSS (3) (2008)
Qurat Ul-Ann, Otmar Loffeld, Holger Nies, Robert Wang, Stefan Knedlik
Optimizing the Individual Azimuth Contribution of Transmitter and Receiver Phase terms in Loffeld's Bistatic Formula (LBF) for Bistatic SAR Processing. IGARSS (3) (2008)
Otmar Loffeld, Holger Nies, Stefan Knedlik, Yu Wang
Phase Unwrapping for SAR Interferometry - A Data Fusion Approach by Kalman Filtering. IEEE Trans. Geosci. Remote. Sens. 46 (1) (2008)
Holger Nies, Otmar Loffeld, Robert Wang
Phase Unwrapping using 2D-Kalman Filter - Potential and Limitations. IGARSS (4) (2008)
Martin Lambers, Holger Nies, Andreas Kolb
Interactive Dynamic Range Reduction for SAR Images. IEEE Geosci. Remote. Sens. Lett. 5 (3) (2008)
Holger Nies, Otmar Loffeld, Baki Dönmez, Amina Ben Hammadi, Robert Wang
Image Registration of TerraSAR-X Data using Different Information Measures. IGARSS (4) (2008)
Amaya Medrano Ortiz, Otmar Loffeld, Holger Nies, Robert Wang
Second-Order Motion Compensation in Bistatic Airborne SAR based on the Windowed Fourier-Transformation. IGARSS (3) (2008)
Holger Nies, Otmar Loffeld, Koba Natroshvili, Marc Kalkuhl
The bistatic aspect of the TanDEM-X mission. IGARSS (2007)
Marc Kalkuhl, Peter Droste, Wolfgang Wiechert, Holger Nies, Otmar Loffeld, Martin Lambers
Parallel computation of synthetic SAR raw data. IGARSS (2007)
Martin Lambers, Andreas Kolb, Holger Nies, Marc Kalkuhl
GPu-based framework for interactive visualization of SAR data. IGARSS (2007)
Holger Nies, Otmar Loffeld, Koba Natroshvili
Analysis and Focusing of Bistatic Airborne SAR Data. IEEE Trans. Geosci. Remote. Sens. 45 (11-1) (2007)
Amaya Medrano Ortiz, Otmar Loffeld, Holger Nies, Stefan Knedlik
Second-order motion compensation in bistatic airborne SAR based on a geometrical approach. IGARSS (2007)
Ulrich Gebhardt, Otmar Loffeld, Holger Nies, Koba Natroshvili, Stefan Knedlik
Bistatic Space Borne / Airborne Experiment: Geometrical Modeling and Simulation. IGARSS (2006)
Holger Nies, Otmar Loffeld, Koba Natroshvili, Amaya Medrano Ortiz
A Solution for Bistatic Motion Compensation. IGARSS (2006)
Koba Natroshvili, Otmar Loffeld, Holger Nies, Joachim H. G. Ender
2D Inverse Scaling Bistatic Processing and the focused Image Quality Measurements. IGARSS (2006)
Koba Natroshvili, Otmar Loffeld, Holger Nies, Amaya Medrano Ortiz, Stefan Knedlik
Focusing of General Bistatic SAR Configuration Data With 2-D Inverse Scaled FFT. IEEE Trans. Geosci. Remote. Sens. 44 (10-1) (2006)
Marc Kalkuhl, Peter Droste, Wolfgang Wiechert, Holger Nies, Otmar Loffeld
Modular SAR Simulator for Bi- and Multistatic Constellations. IGARSS (2006)
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
Bistatic Exploration using Spaceborne and Airborne SAR Sensors: A Close Collaboration Between FGAN, ZESS, and FOMAAS. IGARSS (2006)
Amaya Medrano Ortiz, Otmar Loffeld, Stefan Knedlik, Holger Nies, Koba Natroshvili
Comparison of doppler centroid estimators in bistatic airborne SAR. IGARSS (2005)
Holger Nies, Otmar Loffeld, Koba Natroshvili, Ingo Walterscheid, Andreas R. Brenner
Parameter estimation for bistatic constellations. IGARSS (2005)
Koba Natroshvili, Otmar Loffeld, Holger Nies, Amaya Medrano Ortiz
First steps to bistatic focusing. IGARSS (2005)
Otmar Loffeld, Holger Nies, Valerij Peters, Stefan Knedlik
Models and useful relations for bistatic SAR processing. IEEE Trans. Geosci. Remote. Sens. 42 (10) (2004)
Holger Nies, Otmar Loffeld, Stefan Knedlik, Ulrich Gebhardt, Wolfgang Wiechert
A data fusion approach for distributed orbit estimation. IGARSS (2004)
Ulrich Gebhardt, Otmar Loffeld, Marc Kalkuhl, Holger Nies, Stefan Knedlik
Orbit tracking and interpolation using a realistic gravitation model. IGARSS (2004)
Otmar Loffeld, Holger Nies, Valerij Peters, Stefan Knedlik
Models and useful relations for bistatic SAR processing. IGARSS (2003)
Holger Nies, Otmar Loffeld, Ulrich Gebhardt, Valerij Peters
Orbit estimation of the interferometric cartwheel using an extended linearized Kalman filter. IGARSS (2003)
Ulrich Gebhardt, Otmar Loffeld, Holger Nies, Valerij Peters
Orbit modeling related to cartwheel geometry. IGARSS (2003)
Stefan Knedlik, Otmar Loffeld, Holger Nies
Sensitivity of DEMs generated from interferometric cartwheel configurations. IGARSS (2003)