Otmar Loffeld

ORCID

Publication Activity (10 Years)

Years Active: 1987-2022
Publications (10 Years): 33

Top Venues

IEEE Trans. Geosci. Remote. Sens.

IEEE SENSORS

IEEE Geosci. Remote. Sens. Lett.

IEEE J. Sel. Top. Appl. Earth Obs. Remote. Sens.

Publications

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)
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 (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)
Alvaro Lopez Paredes, Miguel Heredia Conde, Otmar Loffeld
Effective Very-wide-area 3D ToF Sensing. IEEE SENSORS (2021)
Faisal Ahmed, Miguel Heredia Conde, Otmar Loffeld
Pseudo-Passive Indoor ToF Sensing exploiting Visible Light Communication Sources. IEEE SENSORS (2021)
Chang-Yu Hu, Ling Wang, Daiyin Zhu, Otmar Loffeld
Inverse Synthetic Aperture Radar Sparse Imaging Exploiting the Group Dictionary Learning. Remote. Sens. 13 (14) (2021)
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 (2021)
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)
Dunja Hage, Miguel Heredia Conde, Otmar Loffeld
minimization. Signal Process. 171 (2020)
Miguel Heredia Conde, Thomas Kerstein, Bernd Buxbaum, Otmar Loffeld
Live Demonstration: a Trimodal Time-of-Flight Camera Featuring Material Sensing. IEEE SENSORS (2020)
Ayush Bhandari, Miguel Heredia Conde, Otmar Loffeld
One-Bit Time-Resolved Imaging. IEEE Trans. Pattern Anal. Mach. Intell. 42 (7) (2020)
Jinshan Ding, Liwu Wen, Chao Zhong, Otmar Loffeld
Video SAR Moving Target Indication Using Deep Neural Network. IEEE Trans. Geosci. Remote. Sens. 58 (10) (2020)
Miguel Heredia Conde, Thomas Kerstein, Bernd Buxbaum, Otmar Loffeld
Near-Infrared, Depth, Material: Towards a Trimodal Time-of-Flight Camera. IEEE SENSORS (2020)
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)
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)
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)
Michael Moeller, Otmar Loffeld, Juergen Gall, Felix Krahmer
Are good local minima wide in sparse recovery? CoRR (2018)
Miguel Heredia Conde, Otmar Loffeld
From L1 Minimization to Entropy Minimization: A Novel Approach for Sparse Signal Recovery in Compressive Sensing. EUSIPCO (2018)
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) (2018)
Miguel Heredia Conde, Otmar Loffeld
Fast Approximate Construction of Best Complex Antipodal Spherical Codes. CoRR (2017)
Ling Wang, Otmar Loffeld, Kaili Ma, Yulei Qian
Sparse ISAR imaging using a greedy Kalman filtering approach. Signal Process. 138 (2017)
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)
Miguel Heredia Conde, Otmar Loffeld
A genetic algorithm for compressive sensing sparse recovery. ISSPIT (2017)
Miguel Heredia Conde, Dunja Hage, Otmar Loffeld
A null-space-based genetic algorithm for constrained l1 minimization. ISSPIT (2017)
Otmar Loffeld, Alexander Seel, Miguel Heredia Conde, Ling Wang
Sparse CS reconstruction by nullspace based l1 minimizing Kalman filtering. COMM (2016)
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)
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) (2016)
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) (2016)
Alexander Seel, Arman Davtyan, Ullrich Pietsch, Otmar Loffeld
Norm-minimized scattering data from intensities. COMM (2016)
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) (2016)
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) (2016)
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)
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)
Miguel Heredia Conde, Klaus Hartmann, Otmar Loffeld
Adaptive High Dynamic Range for Time-of-Flight Cameras. IEEE Trans. Instrum. Meas. 64 (7) (2015)
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)
Alexander Seel, Arman Davtyan, Ullrich Pietsch, Otmar Loffeld
Norm minimized Scattering Data from Intensity Spectra: Feasible Computations. CoRR (2015)
Wei Yao, Otmar Loffeld, Mihai Datcu
A hierarchical patch clustering method for high-resolution TerraSAR-X images. IGARSS (2015)
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)
Yunfeng Shao, Robert Wang, Yunkai 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) (2014)
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) (2014)
Benjamin Langmann, Klaus Hartmann, Otmar Loffeld
Real-Time Image Stabilization for ToF Cameras on Mobile Platforms. Time-of-Flight and Depth Imaging (2013)
Yuhong Yang, Junchuan Zhou, Holger Nies, Otmar Loffeld, Stefan Knedlik
Development of a deeply-coupled GPS/INS integration algorithm using quaternions. FUSION (2013)
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) (2013)
Yunfeng Shao, Robert Wang, Yunkai Deng, Yue Liu, Runpu Chen, Gang Liu, Otmar Loffeld
Fast Backprojection Algorithm for Bistatic SAR Imaging. IEEE Geosci. Remote. Sens. Lett. 10 (5) (2013)
Benjamin Langmann, Klaus Hartmann, Otmar Loffeld
Increasing the accuracy of Time-of-Flight cameras for machine vision applications. Comput. Ind. 64 (9) (2013)
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) (2013)
Yue Liu, Yunkai Deng, Robert Wang, Otmar Loffeld
Bistatic FMCW SAR Signal Model and Imaging Approach. IEEE Trans. Aerosp. Electron. Syst. 49 (3) (2013)
Ezzaldeen Edwan, Stefan Knedlik, Otmar Loffeld
Angular Motion Estimation Using Dynamic Models in a Gyro-Free Inertial Measurement Unit. Sensors 12 (5) (2012)
Otmar Loffeld
An Alternative Derivation of the Method of Stationary Phase for Multivariate Signals. IEEE Trans. Geosci. Remote. Sens. 50 (7) (2012)
Benjamin Langmann, Klaus Hartmann, Otmar Loffeld
Depth Camera Technology Comparison and Performance Evaluation. ICPRAM (2) (2012)
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)
Benjamin Langmann, Klaus Hartmann, Otmar Loffeld
A Modular Framework for 2D/3D and Multi-modal Segmentation with Joint Super-Resolution. ECCV Workshops (2) (2012)
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)
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)
Yuhong Yang, Junchuan Zhou, Otmar Loffeld
Quaternion-based Kalman filtering on INS/GPS. FUSION (2012)
Benjamin Langmann, Klaus Hartmann, Otmar Loffeld
Depth Auto-calibration for Range Cameras Based on 3D Geometry Reconstruction. ISVC (2) (2012)
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)
Juanjuan Han, Otmar Loffeld, Klaus Hartmann
Multimodal human detection by sparse feature pursuit. DSP (2011)
Benjamin Langmann, Klaus Hartmann, Otmar Loffeld
Global Multi-view Tracking Utilizing Color and ToF Cameras by Combining Volumetric and Photometric Measures. VISAPP (2011)
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)
Ezzaldeen Edwan, Stefan Knedlik, Otmar Loffeld
Constrained Angular Motion Estimation in a Gyro-Free IMU. IEEE Trans. Aerosp. Electron. Syst. 47 (1) (2011)
Ezzaldeen Edwan, Jieying Zhang, Junchuan Zhou, Otmar Loffeld
Reduced DCM based attitude estimation using low-cost IMU and magnetometer triad. WPNC (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)
Junchuan Zhou, Ezzaldeen Edwan, Stefan Knedlik, Otmar Loffeld
Low-cost INS/GPS with nonlinear filtering methods. FUSION (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)
Ezzaldeen Edwan, Stefan Knedlik, Junchuan Zhou, Otmar Loffeld
GPS/INS integration for GF-IMU of twelve mono-axial accelerometers configurations. WPNC (2009)
Ashraf Samarah, Mohammad Al-Ibrahim, Otmar Loffeld
An Eifficient Method for Generating Coherent Digital Sweep Signals. CICSyN (2009)
Ashraf Samarah, Otmar Loffeld
High-performance coherent digital sweep oscillator using piecewise parabolic interpolation. ECCTD (2009)
Miao Zhang, Stefan Knedlik, Otmar Loffeld
Performance analysis of data fusion for ground target tracking using GSM networks. FUSION (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)
Miao Zhang, Stefan Knedlik, Otmar Loffeld
An adaptive road-constrained IMM estimator for ground target tracking in GSM networks. FUSION (2008)
Pakorn Ubolkosold, Gustave Franck Tchere, Stefan Knedlik, Otmar Loffeld
An Improved Frequency Offset Estimator for SIMO-OFDM with Maximum Estimation Range. VTC Spring (2008)
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) (2008)
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) (2008)
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)
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)
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)
Zhen Dai, Stefan Knedlik, Otmar Loffeld
Real-time cycle-slip detection and determination for multiple frequency GNSS. WPNC (2008)
Holger Nies, Otmar Loffeld, Robert Wang
Phase Unwrapping using 2D-Kalman Filter - Potential and Limitations. IGARSS (4) (2008)
Miao Zhang, Stefan Knedlik, Otmar Loffeld
On Nonlinear Road-Constrained Target Tracking in GSM Networks. VTC Spring (2008)
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)
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)
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)
Yu Wang, Otmar Loffeld, Stefan Knedlik
Spotlight-mode SAR data focusing using a modified wavenumber domain algorithm. IGARSS (2007)
Holger Nies, Otmar Loffeld, Koba Natroshvili, Marc Kalkuhl
The bistatic aspect of the TanDEM-X mission. IGARSS (2007)
Pakorn Ubolkosold, Stefan Knedlik, Ezzaldeen Edwan, Otmar Loffeld
Constrained-trajectory based GPS/INS integration for reliable position and attitude determination. IGARSS (2007)
Gustave Franck Tchere, Pakorn Ubolkosold, Stefan Knedlik, Otmar Loffeld
Bit Error Performance of Differential Impulse Radio UWB Systems. VTC Spring (2007)
Miao Zhang, Stefan Knedlik, Otmar Loffeld
Road-Constrained Target Tracking in GSM Networks. ISWCS (2007)
Marc Kalkuhl, Peter Droste, Wolfgang Wiechert, Holger Nies, Otmar Loffeld, Martin Lambers
Parallel computation of synthetic SAR raw data. IGARSS (2007)

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Publication Activity (10 Years)

Top Topics

Top Venues

Otmar Loffeld