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Otmar 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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