Holger Nies - researchr alias

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Viewing Publication 1 - 50 from 50

2024

Performance Analysis of Optical Flow Techniques for Airborne SAR Image RegistrationPrithvi Laguduvan Thyagarajan, Holger Nies, Patrick Berens, Ivo Ihrke. tgrs, 62:1-11, 2024. [doi]

2023

Complex-Valued End-to-End Deep Network With Coherency Preservation for Complex-Valued SAR Data Reconstruction and ClassificationReza Mohammadi Asiyabi, Mihai Datcu, Andrei Anghel, Holger Nies. tgrs, 61:1-17, 2023. [doi]

2022

Complex-Valued Vs. Real-Valued Convolutional Neural Network for Polsar Data ClassificationReza Mohammadi Asiyabi, Mihai Datcu, Holger Nies, Andrei Anghel. igarss 2022: 421-424 [doi]

Characterization of the PAZ X-Band SAR Using the HITCHHIKER Ground ReceiverFlorian Behner, Simon Reuter, Holger Nies, Juan Manuel Cuerda Muñoz, Marcos García Rodríguez, Otmar Loffeld. lgrs, 19:1-5, 2022. [doi]

2020

A Bistatic Analytical Approximation Model for Doppler Rate Estimation Error from Real-Time Spaceborne SAR Onboard Orbit Determination DataXiaoyu Yan, Jie Chen, Holger Nies, Otmar Loffeld. remotesensing, 12(19):3156, 2020. [doi]

2019

Compact Ground-Based Interferometric Synthetic Aperture Radar: Short-range structural monitoringAndrei Anghel, Mihai-Liviu Tudose, Remus Cacoveanu, Mihai Datcu, Giovanni Nico, Olimpia Masci, Dongyang Ao, Weiming Tian, Cheng Hu 0001, Zegang Ding, Holger Nies, Otmar Loffeld, David Atencia, Samuel G. Huamán, Aleksander Medella, João Moreira. spm, 36(4):42-52, 2019. [doi]

Analytical Approximation Model for Quadratic Phase Error Introduced by Orbit Determination Errors in Real-Time Spaceborne SAR ImagingXiaoyu Yan, Jie Chen, Holger Nies, Otmar Loffeld. remotesensing, 11(14):1663, 2019. [doi]

Analysis of Quadratic Phase Error Introduced by Orbit Determination in Spaceborne Trinodal Pendulum Sar Formation Real-Time Imaging with Monte Carlo SimulationXiaoyu Yan, Jie Chen, Holger Nies, Hong-cheng Zeng, Otmar Loffeld. igarss 2019: 8582-8585 [doi]

2016

Synchronization and Processing in the HITCHHIKER Bistatic SAR ExperimentFlorian Behner, Simon Reuter, Holger Nies, Otmar Loffeld. staeors, 9(3):1028-1035, 2016. [doi]

2013

Development of a deeply-coupled GPS/INS integration algorithm using quaternionsYuhong Yang, Junchuan Zhou, Holger Nies, Otmar Loffeld, Stefan Knedlik. fusion 2013: 1791-1796 [doi]

2012

An imaging algorithm based on keystone transform for one-stationary bistatic SAR of spotlight modeXiaolan Qiu, Florian Behner, Simon Reuter, Holger Nies, Otmar Loffeld, Lijia Huang, Donghui Hu, Chibiao Ding. ejasp, 2012:221, 2012. [doi]

2011

Processing the Azimuth-Variant Bistatic SAR Data by Using Monostatic Imaging Algorithms Based on Two-Dimensional Principle of Stationary PhaseRobert Wang, Yunkai Deng, Otmar Loffeld, Holger Nies, Ingo Walterscheid, Thomas Espeter, Jens Klare, Joachim H. G. Ender. tgrs, 49(10):3504-3520, 2011. [doi]

2010

Polarimetric and interferometric applications in a bistatic hybrid SAR mode using Terrasar-XHolger Nies, Florian Behner, Simon Reuter, Otmar Loffeld, Robert Wang. igarss 2010: 110-113 [doi]

Development and experiments of a passive SAR receiver system in a bistatic spaceborne/stationary configurationSimon Reuter, Florian Behner, Holger Nies, Otmar Loffeld, Dietmar Matthes, Joachim Schiller. igarss 2010: 118-121 [doi]

Bistatic SAR Experiments With PAMIR and TerraSAR-X - Setup, Processing, and Image ResultsIngo Walterscheid, Thomas Espeter, Andreas R. Brenner, Jens Klare, Joachim H. G. Ender, Holger Nies, Robert Wang, Otmar Loffeld. tgrs, 48(8):3268-3279, 2010. [doi]

Focus FMCW SAR Data Using the Wavenumber Domain AlgorithmRobert Wang, Otmar Loffeld, Holger Nies, Stefan Knedlik, Manfred Hagelen, Helmut Essen. tgrs, 48(4-2):2109-2118, 2010. [doi]

Focusing Bistatic SAR Data in Airborne/Stationary ConfigurationRobert Wang, Otmar Loffeld, Yew Lam Neo, Holger Nies, Ingo Walterscheid, Thomas Espeter, Jens Klare, Joachim H. G. Ender. tgrs, 48(1-2):452-465, 2010. [doi]

Analysis and compensation for motion errors in FMCW SAR dataRobert Wang, Otmar Loffeld, Holger Nies, Valerij Peters, Manfred Hagelen, Helmut Essen. igarss 2010: 4075-4078 [doi]

Image formation algorithm for bistatic forward-looking SARRobert Wang, Otmar Loffeld, Holger Nies, Valerij Peters. igarss 2010: 4091-4094 [doi]

2009

Chirp-Scaling Algorithm for Bistatic SAR Data in the Constant-Offset ConfigurationRobert Wang, Otmar Loffeld, Holger Nies, Stefan Knedlik, Joachim H. G. Ender. tgrs, 47(3):952-964, 2009. [doi]

Focusing Spaceborne/Airborne Hybrid Bistatic SAR Data Using Wavenumber-Domain AlgorithmRobert Wang, Otmar Loffeld, Holger Nies, Joachim H. G. Ender. tgrs, 47(7-2):2275-2283, 2009. [doi]

2008

Interactive Dynamic Range Reduction for SAR ImagesMartin Lambers, Holger Nies, Andreas Kolb. lgrs, 5(3):507-511, 2008. [doi]

Phase Unwrapping for SAR Interferometry - A Data Fusion Approach by Kalman FilteringOtmar Loffeld, Holger Nies, Stefan Knedlik, Yu Wang. tgrs, 46(1):47-58, 2008. [doi]

Image Registration of TerraSAR-X Data using Different Information MeasuresHolger Nies, Otmar Loffeld, Baki Dönmez, Amina Ben Hammadi, Robert Wang. igarss 2008: 419-422 [doi]

Phase Unwrapping using 2D-Kalman Filter - Potential and LimitationsHolger Nies, Otmar Loffeld, Robert Wang. igarss 2008: 1213-1216 [doi]

Second-Order Motion Compensation in Bistatic Airborne SAR based on the Windowed Fourier-TransformationAmaya Medrano Ortiz, Otmar Loffeld, Holger Nies, Robert Wang. igarss 2008: 613-616 [doi]

Optimizing the Individual Azimuth Contribution of Transmitter and Receiver Phase terms in Loffeld s Bistatic Formula (LBF) for Bistatic SAR ProcessingQurat Ul-Ann, Otmar Loffeld, Holger Nies, Robert Wang, Stefan Knedlik. igarss 2008: 455-458 [doi]

A Bistatic Point Target Reference Spectrum for General Bistatic SAR ProcessingRobert Wang, Otmar Loffeld, Qurat Ul-Ann, Holger Nies, Amaya Medrano Ortiz, Ashraf Samarah. lgrs, 5(3):517-521, 2008. [doi]

Analysis and Processing of Spaceborne/Airborne Bistatic SAR DataRobert Wang, Otmar Loffeld, Holger Nies, Qurat Ul-Ann, Amaya Medrano Ortiz, Stefan Knedlik, Ashraf Samarah. igarss 2008: 597-600 [doi]

2007

2006

Bistatic Space Borne / Airborne Experiment: Geometrical Modeling and SimulationUlrich Gebhardt, Otmar Loffeld, Holger Nies, Koba Natroshvili, Stefan Knedlik. igarss 2006: 1832-1835 [doi]

Modular SAR Simulator for Bi- and Multistatic ConstellationsMarc Kalkuhl, Peter Droste, Wolfgang Wiechert, Holger Nies, Otmar Loffeld. igarss 2006: 1212-1215 [doi]

Focusing of General Bistatic SAR Configuration Data With 2-D Inverse Scaled FFTKoba Natroshvili, Otmar Loffeld, Holger Nies, Amaya Medrano Ortiz, Stefan Knedlik. tgrs, 44(10-1):2718-2727, 2006. [doi]

2D Inverse Scaling Bistatic Processing and the focused Image Quality MeasurementsKoba Natroshvili, Otmar Loffeld, Holger Nies, Joachim H. G. Ender. igarss 2006: 1188-1191 [doi]

A Solution for Bistatic Motion CompensationHolger Nies, Otmar Loffeld, Koba Natroshvili, Amaya Medrano Ortiz. igarss 2006: 1204-1207 [doi]

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2003

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