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ORCIDOtmar Loffeld
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- affiliation: University of Siegen, Germany
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2020 – today
- 2022
[j44]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: 1-5 (2022)- [j43]Chang-Yu Hu, Ling Wang, Daiyin Zhu, Gong Zhang, Otmar Loffeld:
FCNN-Based ISAR Sparse Imaging Exploiting Gate Units and Transfer Learning. IEEE Geosci. Remote. Sens. Lett. 19: 1-5 (2022) - [c93]Alvaro Lopez Paredes, Miguel Heredia Conde, Otmar Loffeld:
CS-ToF sensing by means of greedy bi-lateral fusion and near-to-optimal low-density codes. EUSIPCO 2022: 1996-2000 - 2021
- [j42]Chang-Yu Hu, Ling Wang, Daiyin Zhu, Otmar Loffeld:
Inverse Synthetic Aperture Radar Sparse Imaging Exploiting the Group Dictionary Learning. Remote. Sens. 13(14): 2812 (2021) - [j41]Liwu Wen, Jinshan Ding, Otmar Loffeld:
Video SAR Moving Target Detection Using Dual Faster R-CNN. IEEE J. Sel. Top. Appl. Earth Obs. Remote. Sens. 14: 2984-2994 (2021) - [c92]Faisal Ahmed, Miguel Heredia Conde, Otmar Loffeld:
Pseudo-Passive Indoor ToF Sensing exploiting Visible Light Communication Sources. IEEE SENSORS 2021: 1-4 - [c91]Alvaro Lopez Paredes, Miguel Heredia Conde, Otmar Loffeld:
Effective Very-wide-area 3D ToF Sensing. IEEE SENSORS 2021: 1-4 - 2020
- [j40]Ayush Bhandari, Miguel Heredia Conde, Otmar Loffeld:
One-Bit Time-Resolved Imaging. IEEE Trans. Pattern Anal. Mach. Intell. 42(7): 1630-1641 (2020) - [j39]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): 3156 (2020) - [j38]Dunja Hage, Miguel Heredia Conde, Otmar Loffeld:
Sparse signal recovery via Kalman-filter-based ℓ1 minimization. Signal Process. 171: 107487 (2020) - [j37]Jinshan Ding, Liwu Wen, Chao Zhong, Otmar Loffeld:
Video SAR Moving Target Indication Using Deep Neural Network. IEEE Trans. Geosci. Remote. Sens. 58(10): 7194-7204 (2020) - [c90]Miguel Heredia Conde, Keiichiro Kagawa, Tomoya Kokado, Shoji Kawahito, Otmar Loffeld:
Single-Shot Real-Time Multiple-Path Time-of-Flight Depth Imaging for Multi-Aperture and Macro-Pixel Sensors. ICASSP 2020: 1469-1473 - [c89]Miguel Heredia Conde, Thomas Kerstein, Bernd Buxbaum, Otmar Loffeld:
Near-Infrared, Depth, Material: Towards a Trimodal Time-of-Flight Camera. IEEE SENSORS 2020: 1-4 - [c88]Miguel Heredia Conde, Thomas Kerstein, Bernd Buxbaum, Otmar Loffeld:
Live Demonstration: a Trimodal Time-of-Flight Camera Featuring Material Sensing. IEEE SENSORS 2020: 1
2010 – 2019
- 2019
- [j36]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): 1663 (2019) - [j35]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): 42-52 (2019) - [c87]Miguel Heredia Conde, Ayush Bhandari, Thomas Kerstein, Bernd Buxbaum, Otmar Loffeld:
Live Demonstration: Multiple-Path Depth Imaging with Time-of-Flight Sensors. IEEE SENSORS 2019: 1 - [c86]Xiaoyu Yan, Jie Chen, Holger Nies, Hongcheng 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: 8582-8585 - 2018
- [j34]Jincheng Li, Jie Chen, Pengbo Wang, Otmar Loffeld:
A Coarse-to-Fine Autofocus Approach for Very High-Resolution Airborne Stripmap SAR Imagery. IEEE Trans. Geosci. Remote. Sens. 56(7): 3814-3829 (2018) - [c85]Miguel Heredia Conde, Otmar Loffeld:
From L1 Minimization to Entropy Minimization: A Novel Approach for Sparse Signal Recovery in Compressive Sensing. EUSIPCO 2018: 568-572 - [i3]Michael Moeller, Otmar Loffeld, Juergen Gall, Felix Krahmer:
Are good local minima wide in sparse recovery? CoRR abs/1806.08296 (2018) - 2017
- [j33]Ling Wang, Otmar Loffeld, Kaili Ma, Yulei Qian:
Sparse ISAR imaging using a greedy Kalman filtering approach. Signal Process. 138: 1-10 (2017) - [c84]Vinh Nguyen Xuan, Klaus Hartmann, Wolfgang Weihs, Otmar Loffeld:
Modified orthogonal matching pursuit for multiple measurement vector with joint sparsity in super-resolution compressed sensing. ACSSC 2017: 840-844 - [c83]Miguel Heredia Conde, Otmar Loffeld:
A genetic algorithm for compressive sensing sparse recovery. ISSPIT 2017: 106-111 - [c82]Miguel Heredia Conde, Dunja Hage, Otmar Loffeld:
A null-space-based genetic algorithm for constrained l1 minimization. ISSPIT 2017: 294-299 - [i2]Miguel Heredia Conde, Otmar Loffeld:
Fast Approximate Construction of Best Complex Antipodal Spherical Codes. CoRR abs/1705.03280 (2017) - 2016
- [j32]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): 1028-1035 (2016) - [j31]Wei Yao, Corneliu Octavian Dumitru, Otmar Loffeld, Mihai Datcu:
Semi-supervised Hierarchical Clustering for Semantic SAR Image Annotation. IEEE J. Sel. Top. Appl. Earth Obs. Remote. Sens. 9(5): 1993-2008 (2016) - [j30]Wei Yao, Otmar Loffeld, Mihai Datcu:
Application and Evaluation of a Hierarchical Patch Clustering Method for Remote Sensing Images. IEEE J. Sel. Top. Appl. Earth Obs. Remote. Sens. 9(6): 2279-2289 (2016) - [j29]Robert Wang, Wei Wang, Yunfeng Shao, Feng Hong, Pei Wang, Yunkai Deng, Zhimin Zhang, Otmar Loffeld:
First Bistatic Demonstration of Digital Beamforming in Elevation With TerraSAR-X as an Illuminator. IEEE Trans. Geosci. Remote. Sens. 54(2): 842-849 (2016) - [j28]Heng Zhang, Yunkai Deng, Robert Wang, Ning Li, Shuo Zhao, Feng Hong, Lixin Wu, Otmar Loffeld:
Spaceborne/Stationary Bistatic SAR Imaging With TerraSAR-X as an Illuminator in Staring-Spotlight Mode. IEEE Trans. Geosci. Remote. Sens. 54(9): 5203-5216 (2016) - [c81]Otmar Loffeld, Alexander Seel, Miguel Heredia Conde, Ling Wang:
Sparse CS reconstruction by nullspace based l1 minimizing Kalman filtering. COMM 2016: 449-454 - [c80]Alexander Seel, Arman Davtyan, Ullrich Pietsch, Otmar Loffeld:
Norm-minimized scattering data from intensities. COMM 2016: 455-460 - 2015
- [j27]Miguel Heredia Conde, Klaus Hartmann, Otmar Loffeld:
Adaptive High Dynamic Range for Time-of-Flight Cameras. IEEE Trans. Instrum. Meas. 64(7): 1885-1906 (2015) - [c79]Miguel Heredia Conde, Klaus Hartmann, Otmar Loffeld:
Crosstalk characterization of PMD pixels using the spatial response function at subpixel level. Three-Dimensional Image Processing, Measurement (3DIPM), and Applications 2015: 93930L - [c78]Vinh Nguyen Xuan, Wolfgang Weihs, Otmar Loffeld:
Illumination, phase step optimization and improvements in simultaneous multiple frequency measurement for Time-of-Flight sensors. IC3D 2015: 1-6 - [c77]Miguel Heredia Conde, Davoud Shahlaei, Volker Blanz, Otmar Loffeld:
Efficient and Robust Inverse Lighting of a Single Face Image Using Compressive Sensing. ICCV Workshops 2015: 226-234 - [c76]Wei Yao, Otmar Loffeld, Mihai Datcu:
A hierarchical patch clustering method for high-resolution TerraSAR-X images. IGARSS 2015: 2370-2373 - [i1]Alexander Seel, Arman Davtyan, Ullrich Pietsch, Otmar Loffeld:
Norm minimized Scattering Data from Intensity Spectra: Feasible Computations. CoRR abs/1511.02633 (2015) - 2014
- [j26]Yun Feng Shao, Robert Wang, Yun Kai Deng, Yue Liu, Runpu Chen, Gang Liu, Timo Balz, Otmar Loffeld:
Digital Elevation Model Reconstruction in Multichannel Spaceborne/Stationary SAR Interferometry. IEEE Geosci. Remote. Sens. Lett. 11(12): 2080-2084 (2014) - [j25]Benjamin Langmann, Wolfgang Weihs, Klaus Hartmann, Otmar Loffeld:
Development and Investigation of a Long-Range Time-of-Flight and Color Imaging System. IEEE Trans. Cybern. 44(8): 1372-1382 (2014) - [c75]Miguel Heredia Conde, Klaus Hartmann, Otmar Loffeld:
Turning a ToF camera into an illumination tester: Multichannel waveform recovery from few measurements using compressed sensing. IC3D 2014: 1-8 - 2013
- [j24]Benjamin Langmann, Klaus Hartmann, Otmar Loffeld:
Increasing the accuracy of Time-of-Flight cameras for machine vision applications. Comput. Ind. 64(9): 1090-1098 (2013) - [j23]Yun Feng Shao, Robert Wang, Yun Kai Deng, Yue Liu, Runpu Chen, Gang Liu, Otmar Loffeld:
Fast Backprojection Algorithm for Bistatic SAR Imaging. IEEE Geosci. Remote. Sens. Lett. 10(5): 1080-1084 (2013) - [j22]Yue Liu, Yunkai Deng, Robert Wang, Otmar Loffeld:
Bistatic FMCW SAR Signal Model and Imaging Approach. IEEE Trans. Aerosp. Electron. Syst. 49(3): 2017-2028 (2013) - [j21]Yunfeng Shao, Robert Wang, Yunkai Deng, Yue Liu, Runpu Chen, Gang Liu, Timo Balz, Otmar Loffeld:
Error Analysis of Bistatic SAR Imaging and Stereoscopy Bistatic SAR. IEEE Trans. Geosci. Remote. Sens. 51(8): 4518-4543 (2013) - [j20]Yunfeng Shao, Robert Wang, Yunkai Deng, Yue Liu, Runpu Chen, Gang Liu, Timo Balz, Otmar Loffeld:
Correction to "Error Analysis of Bistatic SAR Imaging and Stereoscopy Bistatic SAR". IEEE Trans. Geosci. Remote. Sens. 51(11): 5181 (2013) - [c74]Benjamin Langmann, Klaus Hartmann, Otmar Loffeld:
Real-Time Image Stabilization for ToF Cameras on Mobile Platforms. Time-of-Flight and Depth Imaging 2013: 289-301 - [c73]Yuhong Yang, Junchuan Zhou, Holger Nies, Otmar Loffeld, Stefan Knedlik:
Development of a deeply-coupled GPS/INS integration algorithm using quaternions. FUSION 2013: 1791-1796 - 2012
- [j19]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: 221 (2012) - [j18]Ezzaldeen Edwan, Stefan Knedlik, Otmar Loffeld:
Angular Motion Estimation Using Dynamic Models in a Gyro-Free Inertial Measurement Unit. Sensors 12(5): 5310-5327 (2012) - [j17]Otmar Loffeld:
An Alternative Derivation of the Method of Stationary Phase for Multivariate Signals. IEEE Trans. Geosci. Remote. Sens. 50(7): 2710-2719 (2012) - [c72]Benjamin Langmann, Klaus Hartmann, Otmar Loffeld:
A Modular Framework for 2D/3D and Multi-modal Segmentation with Joint Super-Resolution. ECCV Workshops (2) 2012: 12-21 - [c71]Yuhong Yang, Junchuan Zhou, Otmar Loffeld:
Quaternion-based Kalman filtering on INS/GPS. FUSION 2012: 511-518 - [c70]Benjamin Langmann, Klaus Hartmann, Otmar Loffeld:
Depth Camera Technology Comparison and Performance Evaluation. ICPRAM (2) 2012: 438-444 - [c69]Benjamin Langmann, Klaus Hartmann, Otmar Loffeld:
Depth Auto-calibration for Range Cameras Based on 3D Geometry Reconstruction. ISVC (2) 2012: 756-766 - [c68]Wennan Chai, Cheng Chen, Ezzaldeen Edwan, Jieying Zhang, Otmar Loffeld:
2D/3D indoor navigation based on multi-sensor assisted pedestrian navigation in Wi-Fi environments. UPINLBS 2012: 1-7 - [c67]Wennan Chai, Cheng Chen, Ezzaldeen Edwan, Jieying Zhang, Otmar Loffeld:
INS/Wi-Fi based indoor navigation using adaptive Kalman filtering and vehicle constraints. WPNC 2012: 36-41 - 2011
- [j16]Ezzaldeen Edwan, Stefan Knedlik, Otmar Loffeld:
Constrained Angular Motion Estimation in a Gyro-Free IMU. IEEE Trans. Aerosp. Electron. Syst. 47(1): 596-610 (2011) - [j15]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): 3504-3520 (2011) - [c66]Ashraf Samarah, Alaa Albashar, Otmar Loffeld:
A Unique Parallel Processing Technique for Generating Digital Chirp Signals for the Applications of Synthetic Aperture Radar. EMS 2011: 185-190 - [c65]Juanjuan Han, Otmar Loffeld, Klaus Hartmann:
Multimodal human detection by sparse feature pursuit. DSP 2011: 1-6 - [c64]Benjamin Langmann, Klaus Hartmann, Otmar Loffeld:
Global Multi-view Tracking Utilizing Color and ToF Cameras by Combining Volumetric and Photometric Measures. VISAPP 2011: 694-699 - [c63]Ezzaldeen Edwan, Jieying Zhang, Junchuan Zhou, Otmar Loffeld:
Reduced DCM based attitude estimation using low-cost IMU and magnetometer triad. WPNC 2011: 1-6 - 2010
- [j14]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): 452-465 (2010) - [j13]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): 2109-2118 (2010) - [j12]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): 3268-3279 (2010) - [c62]Junchuan Zhou, Ezzaldeen Edwan, Stefan Knedlik, Otmar Loffeld:
Low-cost INS/GPS with nonlinear filtering methods. FUSION 2010: 1-8 - [c61]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: 110-113 - [c60]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: 118-121 - [c59]Robert Wang, Otmar Loffeld, Holger Nies, Valerij Peters, Manfred Hagelen, Helmut Essen:
Analysis and compensation for motion errors in FMCW SAR data. IGARSS 2010: 4075-4078 - [c58]Robert Wang, Otmar Loffeld, Holger Nies, Valerij Peters:
Image formation algorithm for bistatic forward-looking SAR. IGARSS 2010: 4091-4094
2000 – 2009
- 2009
- [j11]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): 952-964 (2009) - [j10]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): 2275-2283 (2009) - [c57]Ashraf Samarah, Mohammad Al-Ibrahim, Otmar Loffeld:
An Eifficient Method for Generating Coherent Digital Sweep Signals. CICSyN 2009: 79-85 - [c56]Ashraf Samarah, Otmar Loffeld:
High-performance coherent digital sweep oscillator using piecewise parabolic interpolation. ECCTD 2009: 461-465 - [c55]Miao Zhang, Stefan Knedlik, Otmar Loffeld:
Performance analysis of data fusion for ground target tracking using GSM networks. FUSION 2009: 1092-1099 - [c54]Ezzaldeen Edwan, Stefan Knedlik, Junchuan Zhou, Otmar Loffeld:
GPS/INS integration for GF-IMU of twelve mono-axial accelerometers configurations. WPNC 2009: 183-188 - 2008
- [j9]Valerij Peters, Otmar Loffeld:
A bistatic simulation approach for a high-resolution 3D PMD (Photonic Mixer Device)-camera. Int. J. Intell. Syst. Technol. Appl. 5(3/4): 414-424 (2008) - [j8]Pakorn Ubolkosold, Stefan Knedlik, Otmar Loffeld:
A Method to Extend the Estimation Range of the Existing Time-Domain Doppler Centroid Estimators. IEEE Geosci. Remote. Sens. Lett. 5(2): 185-188 (2008) - [j7]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): 517-521 (2008) - [j6]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): 47-58 (2008) - [c53]Miao Zhang, Stefan Knedlik, Otmar Loffeld:
An adaptive road-constrained IMM estimator for ground target tracking in GSM networks. FUSION 2008: 1-8 - [c52]Holger Nies, Otmar Loffeld, Baki Dönmez, Amina Ben Hammadi, Robert Wang:
Image Registration of TerraSAR-X Data using Different Information Measures. IGARSS (4) 2008: 419-422 - [c51]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: 455-458 - [c50]Stefan Knedlik, Ezzaldeen Edwan, Junchuan Zhou, Zhen Dai, Pakorn Ubolkosold, Otmar Loffeld:
GPS/INS Integration for Footprint Chasing in Bistatic SAR Experiments. IGARSS (3) 2008: 459-462 - [c49]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: 597-600 - [c48]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: 613-616 - [c47]Holger Nies, Otmar Loffeld, Robert Wang:
Phase Unwrapping using 2D-Kalman Filter - Potential and Limitations. IGARSS (4) 2008: 1213-1216 - [c46]Seyed Eghbal Ghobadi, Omar Edmond Loepprich, Farid Ahmadov, Jens Bernshausen, Klaus Hartmann, Otmar Loffeld:
Real Time Hand Based Robot Control Using 2D/3D Images. ISVC (2) 2008: 307-316 - [c45]Pakorn Ubolkosold, Gustave Franck Tchere, Stefan Knedlik, Otmar Loffeld:
An Improved Frequency Offset Estimator for SIMO-OFDM with Maximum Estimation Range. VTC Spring 2008: 958-962 - [c44]Miao Zhang, Stefan Knedlik, Otmar Loffeld:
On Nonlinear Road-Constrained Target Tracking in GSM Networks. VTC Spring 2008: 2026-2030 - [c43]Pakorn Ubolkosold, Gustave Franck Tchere, Stefan Knedlik, Otmar Loffeld:
A New Closed-Form Frequency Estimator in the Presence of Fading-Induced Multiplicative Noise. VTC Spring 2008: 2912-2916 - [c42]Zhen Dai, Stefan Knedlik, Otmar Loffeld:
Real-time cycle-slip detection and determination for multiple frequency GNSS. WPNC 2008: 37-43 - 2007
- [j5]Holger Nies, Otmar Loffeld, Koba Natroshvili:
Analysis and Focusing of Bistatic Airborne SAR Data. IEEE Trans. Geosci. Remote. Sens. 45(11-1): 3342-3349 (2007) - [c41]Pakorn Ubolkosold, Gustave Franck Tchere, Stefan Knedlik, Otmar Loffeld:
Simple Carrier Frequency Offset Estimators in Frequency Flat-Fading Channels. ICC 2007: 2671-2675 - [c40]Ingo Walterscheid, Andreas R. Brenner, Joachim H. G. Ender, Otmar Loffeld:
Evaluation of the Bistatic Range migration processor. IGARSS 2007: 144-147 - [c39]Marc Kalkuhl, Peter Droste, Wolfgang Wiechert, Holger Nies, Otmar Loffeld, Martin Lambers:
Parallel computation of synthetic SAR raw data. IGARSS 2007: 536-539 - [c38]Yu Wang, Otmar Loffeld, Stefan Knedlik:
Spotlight-mode SAR data focusing using a modified wavenumber domain algorithm. IGARSS 2007: 567-570 - [c37]Holger Nies, Otmar Loffeld, Koba Natroshvili, Marc Kalkuhl:
The bistatic aspect of the TanDEM-X mission. IGARSS 2007: 631-634 - [c36]Amaya Medrano Ortiz, Otmar Loffeld, Holger Nies, Stefan Knedlik:
Second-order motion compensation in bistatic airborne SAR based on a geometrical approach. IGARSS 2007: 2126-2129 - [c35]Pakorn Ubolkosold, Stefan Knedlik, Ezzaldeen Edwan, Otmar Loffeld:
Constrained-trajectory based GPS/INS integration for reliable position and attitude determination. IGARSS 2007: 2923-2926 - [c34]Miao Zhang, Stefan Knedlik, Otmar Loffeld:
Road-Constrained Target Tracking in GSM Networks. ISWCS 2007: 138-142 - [c33]Gustave Franck Tchere, Pakorn Ubolkosold, Stefan Knedlik, Otmar Loffeld:
Bit Error Performance of Differential Impulse Radio UWB Systems. VTC Spring 2007: 1569-1573 - [c32]Gustave Franck Tchere, Pakorn Ubolkosold, Stefan Knedlik, Otmar Loffeld:
Communication and TOA Estimation with Differential Impulse Radio UWB systems. WPNC 2007: 87-95 - [c31]Miao Zhang, Stefan Knedlik, Otmar Loffeld:
IMM Estimator for Maneuvering Target Tracking in GSM Networks. WPNC 2007: 135-140 - 2006
- [j4]Ingo Walterscheid, Joachim H. G. Ender, Andreas R. Brenner, Otmar Loffeld:
Bistatic SAR Processing and Experiments. IEEE Trans. Geosci. Remote. Sens. 44(10-1): 2710-2717 (2006) - [j3]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): 2718-2727 (2006) - [c30]Seyed Eghbal Ghobadi, Klaus Hartmann, Otmar Loffeld, Wolfgang Weihs:
Range Image Based Classification System Using Support Vector Machines. CIS 2006: 277-287 - [c29]Guillermo Ruíz, Thomas Patzelt, Ludger Leushacke, Otmar Loffeld:
Autonomous Tracking of Space Objects with the FGAN Tracking and Imaging Radar. GI Jahrestagung (1) 2006: 349-353 - [c28]Miao Zhang, Stefan Knedlik, Otmar Loffeld:
PCRB for Positioning in GSM Networks. GI Jahrestagung (1) 2006: 389-393 - [c27]Koba Natroshvili, Otmar Loffeld, Holger Nies, Joachim H. G. Ender:
2D Inverse Scaling Bistatic Processing and the focused Image Quality Measurements. IGARSS 2006: 1188-1191 - [c26]Holger Nies, Otmar Loffeld, Koba Natroshvili, Amaya Medrano Ortiz:
A Solution for Bistatic Motion Compensation. IGARSS 2006: 1204-1207 - [c25]Marc Kalkuhl, Peter Droste, Wolfgang Wiechert, Holger Nies, Otmar Loffeld:
Modular SAR Simulator for Bi- and Multistatic Constellations. IGARSS 2006: 1212-1215 - [c24]Stefan Knedlik, Otmar Loffeld, Ulrich Gebhardt:
On Position and Attitude Determination Requirements for future Bistatic SAR Experiments. IGARSS 2006: 1216-1219 - [c23]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: 1828-1831 - [c22]Ulrich Gebhardt, Otmar Loffeld, Holger Nies, Koba Natroshvili, Stefan Knedlik:
Bistatic Space Borne / Airborne Experiment: Geometrical Modeling and Simulation. IGARSS 2006: 1832-1835 - [c21]Ingo Walterscheid, Joachim H. G. Ender, Otmar Loffeld:
Bistatic Image Processing for a Hybrid SAR Experiment Between TerraSAR-X and PAMIR. IGARSS 2006: 1934-1937 - [c20]Gustave Franck Tchere, Pakorn Ubolkosold, Stefan Knedlik, Otmar Loffeld, Klaus Witrisal:
Data-Aided Timing Acquisition in UWB Differential Transmitted Reference Systems. PIMRC 2006: 1-5 - 2005
- [c19]Klaus Hartmann, Otmar Loffeld, Seyed Eghbal Ghobadi, Valerij Peters, T. D. Arun Prasad, Arnd Sluiter, Wolfgang Weihs, Tobias Lerch, Oliver Lottner:
Klassifizierungsaspekte bei der 3D-Szenenexploration mit einer neuen 2D/3D-Multichip-Kamera. AMS 2005: 75-80 - [c18]Pakorn Ubolkosold, Stefan Knedlik, Otmar Loffeld:
Clock synchronization protocol for distributed satellite networks. IGARSS 2005: 4 - [c17]Holger Nies, Otmar Loffeld, Koba Natroshvili, Ingo Walterscheid, Andreas R. Brenner:
Parameter estimation for bistatic constellations. IGARSS 2005: 1038-1042 - [c16]Ingo Walterscheid, Joachim H. G. Ender, Andreas R. Brenner, Otmar Loffeld:
Bistatic SAR processing using an Omega-K type algorithm. IGARSS 2005: 1064-1067 - [c15]Koba Natroshvili, Otmar Loffeld, Holger Nies, Amaya Medrano Ortiz:
First steps to bistatic focusing. IGARSS 2005: 1072-1076 - [c14]Amaya Medrano Ortiz, Otmar Loffeld, Stefan Knedlik, Holger Nies, Koba Natroshvili:
Comparison of doppler centroid estimators in bistatic airborne SAR. IGARSS 2005: 1963-1966 - [c13]Amankwah Anthony, Otmar Loffeld:
Registration by automatic subimage selection and maximization of mutual information. IGARSS 2005: 2783-2786 - 2004
- [j2]Otmar Loffeld, Holger Nies, Valerij Peters, Stefan Knedlik:
Models and useful relations for bistatic SAR processing. IEEE Trans. Geosci. Remote. Sens. 42(10): 2031-2038 (2004) - [c12]Marc Kalkuhl, Katharina Nöh, Otmar Loffeld, Wolfgang Wiechert:
High Precision Simulation of Near Earth Satellite Orbits for SAR-Applications. International Conference on Computational Science 2004: 228-235 - [c11]Holger Nies, Otmar Loffeld, Stefan Knedlik, Ulrich Gebhardt, Wolfgang Wiechert:
A data fusion approach for distributed orbit estimation. IGARSS 2004: 3736-3739 - [c10]Ulrich Gebhardt, Otmar Loffeld, Marc Kalkuhl, Holger Nies, Stefan Knedlik:
Orbit tracking and interpolation using a realistic gravitation model. IGARSS 2004: 3767-3769 - 2003
- [c9]Otmar Loffeld, Holger Nies, Valerij Peters, Stefan Knedlik:
Models and useful relations for bistatic SAR processing. IGARSS 2003: 1442-1445 - [c8]Ulrich Gebhardt, Otmar Loffeld, Holger Nies, Valerij Peters:
Orbit modeling related to cartwheel geometry. IGARSS 2003: 3604-3606 - [c7]Holger Nies, Otmar Loffeld, Ulrich Gebhardt, Valerij Peters:
Orbit estimation of the interferometric cartwheel using an extended linearized Kalman filter. IGARSS 2003: 3616-3619 - [c6]Stefan Knedlik, Otmar Loffeld, Holger Nies:
Sensitivity of DEMs generated from interferometric cartwheel configurations. IGARSS 2003: 3805-3807 - 2002
- [c5]Stefan Knedlik, Otmar Loffeld:
Baseline estimation and prediction referring to the SRTM. IGARSS 2002: 161-163
1990 – 1999
- 1999
- [j1]Josef Mittermayer, Alberto Moreira, Otmar Loffeld:
Spotlight SAR data processing using the frequency scaling algorithm. IEEE Trans. Geosci. Remote. Sens. 37(5): 2198-2214 (1999) - 1997
- [c4]Otmar Loffeld, Christoph Arndt:
Estimating the derivative of modulo-mapped phases. ICASSP 1997: 2841-2844 - 1994
- [c3]Otmar Loffeld:
Demodulation of noisy phase or frequency modulated signals with Kalman filters. ICASSP (4) 1994: 177-180 - 1990
- [c2]Otmar Loffeld, Ferdinand Klaus:
Fixed Interval Kalman Smoothers for the Doppler Centroid Estimation for X-SAR. ASST 1990: 216-221
1980 – 1989
- 1987
- [c1]Otmar Loffeld:
A New "Switched Kalman Filter" for 3D-Contourmeasuring Problems with a Laser Diode Range Finder. ASST 1987: 361-371
Coauthor Index
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