Otmar Loffeld

Orcid: 0000-0002-5413-6582

Affiliations:
  • University of Siegen, Germany


According to our database1, Otmar Loffeld authored at least 139 papers between 1987 and 2022.

Collaborative distances:
  • Dijkstra number2 of five.
  • Erdős number3 of four.

Timeline

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Bibliography

2022
FCNN-Based ISAR Sparse Imaging Exploiting Gate Units and Transfer Learning.
IEEE Geosci. Remote. Sens. Lett., 2022

Characterization of the PAZ X-Band SAR Using the HITCHHIKER Ground Receiver.
IEEE Geosci. Remote. Sens. Lett., 2022

CS-ToF sensing by means of greedy bi-lateral fusion and near-to-optimal low-density codes.
Proceedings of the 30th European Signal Processing Conference, 2022

2021
Video SAR Moving Target Detection Using Dual Faster R-CNN.
IEEE J. Sel. Top. Appl. Earth Obs. Remote. Sens., 2021

Inverse Synthetic Aperture Radar Sparse Imaging Exploiting the Group Dictionary Learning.
Remote. Sens., 2021

Effective Very-wide-area 3D ToF Sensing.
Proceedings of the 2021 IEEE Sensors, Sydney, Australia, October 31 - Nov. 3, 2021, 2021

Pseudo-Passive Indoor ToF Sensing exploiting Visible Light Communication Sources.
Proceedings of the 2021 IEEE Sensors, Sydney, Australia, October 31 - Nov. 3, 2021, 2021

2020
Video SAR Moving Target Indication Using Deep Neural Network.
IEEE Trans. Geosci. Remote. Sens., 2020

Sparse signal recovery via Kalman-filter-based ℓ<sub>1</sub> minimization.
Signal Process., 2020

A Bistatic Analytical Approximation Model for Doppler Rate Estimation Error from Real-Time Spaceborne SAR Onboard Orbit Determination Data.
Remote. Sens., 2020

One-Bit Time-Resolved Imaging.
IEEE Trans. Pattern Anal. Mach. Intell., 2020

Live Demonstration: a Trimodal Time-of-Flight Camera Featuring Material Sensing.
Proceedings of the 2020 IEEE Sensors, Rotterdam, The Netherlands, October 25-28, 2020, 2020

Near-Infrared, Depth, Material: Towards a Trimodal Time-of-Flight Camera.
Proceedings of the 2020 IEEE Sensors, Rotterdam, The Netherlands, October 25-28, 2020, 2020

Single-Shot Real-Time Multiple-Path Time-of-Flight Depth Imaging for Multi-Aperture and Macro-Pixel Sensors.
Proceedings of the 2020 IEEE International Conference on Acoustics, 2020

2019
Compact Ground-Based Interferometric Synthetic Aperture Radar: Short-range structural monitoring.
IEEE Signal Process. Mag., 2019

Analytical Approximation Model for Quadratic Phase Error Introduced by Orbit Determination Errors in Real-Time Spaceborne SAR Imaging.
Remote. Sens., 2019

Analysis of Quadratic Phase Error Introduced by Orbit Determination in Spaceborne Trinodal Pendulum Sar Formation Real-Time Imaging with Monte Carlo Simulation.
Proceedings of the 2019 IEEE International Geoscience and Remote Sensing Symposium, 2019

Live Demonstration: Multiple-Path Depth Imaging with Time-of-Flight Sensors.
Proceedings of the 2019 IEEE SENSORS, Montreal, QC, Canada, October 27-30, 2019, 2019

2018
A Coarse-to-Fine Autofocus Approach for Very High-Resolution Airborne Stripmap SAR Imagery.
IEEE Trans. Geosci. Remote. Sens., 2018

Are good local minima wide in sparse recovery?
CoRR, 2018

From L1 Minimization to Entropy Minimization: A Novel Approach for Sparse Signal Recovery in Compressive Sensing.
Proceedings of the 26th European Signal Processing Conference, 2018

2017
Sparse ISAR imaging using a greedy Kalman filtering approach.
Signal Process., 2017

Fast Approximate Construction of Best Complex Antipodal Spherical Codes.
CoRR, 2017

A genetic algorithm for compressive sensing sparse recovery.
Proceedings of the 2017 IEEE International Symposium on Signal Processing and Information Technology, 2017

A null-space-based genetic algorithm for constrained l1 minimization.
Proceedings of the 2017 IEEE International Symposium on Signal Processing and Information Technology, 2017

Modified orthogonal matching pursuit for multiple measurement vector with joint sparsity in super-resolution compressed sensing.
Proceedings of the 51st Asilomar Conference on Signals, Systems, and Computers, 2017

2016
Spaceborne/Stationary Bistatic SAR Imaging With TerraSAR-X as an Illuminator in Staring-Spotlight Mode.
IEEE Trans. Geosci. Remote. Sens., 2016

First Bistatic Demonstration of Digital Beamforming in Elevation With TerraSAR-X as an Illuminator.
IEEE Trans. Geosci. Remote. Sens., 2016

Application and Evaluation of a Hierarchical Patch Clustering Method for Remote Sensing Images.
IEEE J. Sel. Top. Appl. Earth Obs. Remote. Sens., 2016

Semi-supervised Hierarchical Clustering for Semantic SAR Image Annotation.
IEEE J. Sel. Top. Appl. Earth Obs. Remote. Sens., 2016

Synchronization and Processing in the HITCHHIKER Bistatic SAR Experiment.
IEEE J. Sel. Top. Appl. Earth Obs. Remote. Sens., 2016

Norm-minimized scattering data from intensities.
Proceedings of the International Conference on Communications, 2016

Sparse CS reconstruction by nullspace based l1 minimizing Kalman filtering.
Proceedings of the International Conference on Communications, 2016

2015
Adaptive High Dynamic Range for Time-of-Flight Cameras.
IEEE Trans. Instrum. Meas., 2015

Norm minimized Scattering Data from Intensity Spectra: Feasible Computations.
CoRR, 2015

A hierarchical patch clustering method for high-resolution TerraSAR-X images.
Proceedings of the 2015 IEEE International Geoscience and Remote Sensing Symposium, 2015

Efficient and Robust Inverse Lighting of a Single Face Image Using Compressive Sensing.
Proceedings of the 2015 IEEE International Conference on Computer Vision Workshop, 2015

Illumination, phase step optimization and improvements in simultaneous multiple frequency measurement for Time-of-Flight sensors.
Proceedings of the 2015 International Conference on 3D Imaging, 2015

Crosstalk characterization of PMD pixels using the spatial response function at subpixel level.
Proceedings of the Three-Dimensional Image Processing, 2015

2014
Development and Investigation of a Long-Range Time-of-Flight and Color Imaging System.
IEEE Trans. Cybern., 2014

Digital Elevation Model Reconstruction in Multichannel Spaceborne/Stationary SAR Interferometry.
IEEE Geosci. Remote. Sens. Lett., 2014

Turning a ToF camera into an illumination tester: Multichannel waveform recovery from few measurements using compressed sensing.
Proceedings of the 2014 International Conference on 3D Imaging, 2014

2013
Correction to "Error Analysis of Bistatic SAR Imaging and Stereoscopy Bistatic SAR".
IEEE Trans. Geosci. Remote. Sens., 2013

Error Analysis of Bistatic SAR Imaging and Stereoscopy Bistatic SAR.
IEEE Trans. Geosci. Remote. Sens., 2013

Bistatic FMCW SAR Signal Model and Imaging Approach.
IEEE Trans. Aerosp. Electron. Syst., 2013

Fast Backprojection Algorithm for Bistatic SAR Imaging.
IEEE Geosci. Remote. Sens. Lett., 2013

Increasing the accuracy of Time-of-Flight cameras for machine vision applications.
Comput. Ind., 2013

Development of a deeply-coupled GPS/INS integration algorithm using quaternions.
Proceedings of the 16th International Conference on Information Fusion, 2013

Real-Time Image Stabilization for ToF Cameras on Mobile Platforms.
Proceedings of the Time-of-Flight and Depth Imaging. Sensors, Algorithms, and Applications, 2013

2012
An Alternative Derivation of the Method of Stationary Phase for Multivariate Signals.
IEEE Trans. Geosci. Remote. Sens., 2012

Angular Motion Estimation Using Dynamic Models in a Gyro-Free Inertial Measurement Unit.
Sensors, 2012

An imaging algorithm based on keystone transform for one-stationary bistatic SAR of spotlight mode.
EURASIP J. Adv. Signal Process., 2012

INS/Wi-Fi based indoor navigation using adaptive Kalman filtering and vehicle constraints.
Proceedings of the 9th Workshop on Positioning, Navigation and Communication, 2012

2D/3D indoor navigation based on multi-sensor assisted pedestrian navigation in Wi-Fi environments.
Proceedings of the 2012 Ubiquitous Positioning, 2012

Depth Auto-calibration for Range Cameras Based on 3D Geometry Reconstruction.
Proceedings of the Advances in Visual Computing - 8th International Symposium, 2012

Depth Camera Technology Comparison and Performance Evaluation.
Proceedings of the ICPRAM 2012, 2012

Quaternion-based Kalman filtering on INS/GPS.
Proceedings of the 15th International Conference on Information Fusion, 2012

A Modular Framework for 2D/3D and Multi-modal Segmentation with Joint Super-Resolution.
Proceedings of the Computer Vision - ECCV 2012. Workshops and Demonstrations, 2012

2011
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., 2011

Constrained Angular Motion Estimation in a Gyro-Free IMU.
IEEE Trans. Aerosp. Electron. Syst., 2011

Reduced DCM based attitude estimation using low-cost IMU and magnetometer triad.
Proceedings of the 8th Workshop on Positioning Navigation and Communication, 2011

Global Multi-view Tracking Utilizing Color and ToF Cameras by Combining Volumetric and Photometric Measures.
Proceedings of the VISAPP 2011, 2011

Multimodal human detection by sparse feature pursuit.
Proceedings of the 17th International Conference on Digital Signal Processing, 2011

A Unique Parallel Processing Technique for Generating Digital Chirp Signals for the Applications of Synthetic Aperture Radar.
Proceedings of the UKSim 5th European Symposium on Computer Modeling and Simulation, 2011

2010
Focusing Bistatic SAR Data in Airborne/Stationary Configuration.
IEEE Trans. Geosci. Remote. Sens., 2010

Focus FMCW SAR Data Using the Wavenumber Domain Algorithm.
IEEE Trans. Geosci. Remote. Sens., 2010

Bistatic SAR Experiments With PAMIR and TerraSAR-X - Setup, Processing, and Image Results.
IEEE Trans. Geosci. Remote. Sens., 2010

Analysis and compensation for motion errors in FMCW SAR data.
Proceedings of the IEEE International Geoscience & Remote Sensing Symposium, 2010

Image formation algorithm for bistatic forward-looking SAR.
Proceedings of the IEEE International Geoscience & Remote Sensing Symposium, 2010

Development and experiments of a passive SAR receiver system in a bistatic spaceborne/stationary configuration.
Proceedings of the IEEE International Geoscience & Remote Sensing Symposium, 2010

Polarimetric and interferometric applications in a bistatic hybrid SAR mode using Terrasar-X.
Proceedings of the IEEE International Geoscience & Remote Sensing Symposium, 2010

Low-cost INS/GPS with nonlinear filtering methods.
Proceedings of the 13th Conference on Information Fusion, 2010

2009
Chirp-Scaling Algorithm for Bistatic SAR Data in the Constant-Offset Configuration.
IEEE Trans. Geosci. Remote. Sens., 2009

Focusing Spaceborne/Airborne Hybrid Bistatic SAR Data Using Wavenumber-Domain Algorithm.
IEEE Trans. Geosci. Remote. Sens., 2009

GPS/INS integration for GF-IMU of twelve mono-axial accelerometers configurations.
Proceedings of the 6th Workshop on Positioning, Navigation and Communication, 2009

Performance analysis of data fusion for ground target tracking using GSM networks.
Proceedings of the 12th International Conference on Information Fusion, 2009

High-performance coherent digital sweep oscillator using piecewise parabolic interpolation.
Proceedings of the 19th European Conference on Circuit Theory and Design, 2009

An Eifficient Method for Generating Coherent Digital Sweep Signals.
Proceedings of the First International Conference on Computational Intelligence, 2009

2008
Phase Unwrapping for SAR Interferometry - A Data Fusion Approach by Kalman Filtering.
IEEE Trans. Geosci. Remote. Sens., 2008

A Bistatic Point Target Reference Spectrum for General Bistatic SAR Processing.
IEEE Geosci. Remote. Sens. Lett., 2008

A Method to Extend the Estimation Range of the Existing Time-Domain Doppler Centroid Estimators.
IEEE Geosci. Remote. Sens. Lett., 2008

A bistatic simulation approach for a high-resolution 3D PMD (Photonic Mixer Device)-camera.
Int. J. Intell. Syst. Technol. Appl., 2008

Real-time cycle-slip detection and determination for multiple frequency GNSS.
Proceedings of the 5th Workshop on Positioning, Navigation and Communication, 2008

On Nonlinear Road-Constrained Target Tracking in GSM Networks.
Proceedings of the 67th IEEE Vehicular Technology Conference, 2008

A New Closed-Form Frequency Estimator in the Presence of Fading-Induced Multiplicative Noise.
Proceedings of the 67th IEEE Vehicular Technology Conference, 2008

An Improved Frequency Offset Estimator for SIMO-OFDM with Maximum Estimation Range.
Proceedings of the 67th IEEE Vehicular Technology Conference, 2008

Real Time Hand Based Robot Control Using 2D/3D Images.
Proceedings of the Advances in Visual Computing, 4th International Symposium, 2008

Analysis and Processing of Spaceborne/Airborne Bistatic SAR Data.
Proceedings of the IEEE International Geoscience & Remote Sensing Symposium, 2008

Optimizing the Individual Azimuth Contribution of Transmitter and Receiver Phase terms in Loffeld's Bistatic Formula (LBF) for Bistatic SAR Processing.
Proceedings of the IEEE International Geoscience & Remote Sensing Symposium, 2008

Second-Order Motion Compensation in Bistatic Airborne SAR based on the Windowed Fourier-Transformation.
Proceedings of the IEEE International Geoscience & Remote Sensing Symposium, 2008

Phase Unwrapping using 2D-Kalman Filter - Potential and Limitations.
Proceedings of the IEEE International Geoscience & Remote Sensing Symposium, 2008

Image Registration of TerraSAR-X Data using Different Information Measures.
Proceedings of the IEEE International Geoscience & Remote Sensing Symposium, 2008

GPS/INS Integration for Footprint Chasing in Bistatic SAR Experiments.
Proceedings of the IEEE International Geoscience & Remote Sensing Symposium, 2008

An adaptive road-constrained IMM estimator for ground target tracking in GSM networks.
Proceedings of the 11th International Conference on Information Fusion, 2008

2007
Analysis and Focusing of Bistatic Airborne SAR Data.
IEEE Trans. Geosci. Remote. Sens., 2007

IMM Estimator for Maneuvering Target Tracking in GSM Networks.
Proceedings of the 4th Workshop on Positioning, Navigation and Communication, 2007

Communication and TOA Estimation with Differential Impulse Radio UWB systems.
Proceedings of the 4th Workshop on Positioning, Navigation and Communication, 2007

Bit Error Performance of Differential Impulse Radio UWB Systems.
Proceedings of the 65th IEEE Vehicular Technology Conference, 2007

Road-Constrained Target Tracking in GSM Networks.
Proceedings of the 4th IEEE International Symposium on Wireless Communication Systems, 2007

Spotlight-mode SAR data focusing using a modified wavenumber domain algorithm.
Proceedings of the IEEE International Geoscience & Remote Sensing Symposium, 2007

Evaluation of the Bistatic Range migration processor.
Proceedings of the IEEE International Geoscience & Remote Sensing Symposium, 2007

Constrained-trajectory based GPS/INS integration for reliable position and attitude determination.
Proceedings of the IEEE International Geoscience & Remote Sensing Symposium, 2007

Second-order motion compensation in bistatic airborne SAR based on a geometrical approach.
Proceedings of the IEEE International Geoscience & Remote Sensing Symposium, 2007

The bistatic aspect of the TanDEM-X mission.
Proceedings of the IEEE International Geoscience & Remote Sensing Symposium, 2007

Parallel computation of synthetic SAR raw data.
Proceedings of the IEEE International Geoscience & Remote Sensing Symposium, 2007

Simple Carrier Frequency Offset Estimators in Frequency Flat-Fading Channels.
Proceedings of IEEE International Conference on Communications, 2007

2006
Bistatic SAR Processing and Experiments.
IEEE Trans. Geosci. Remote. Sens., 2006

Focusing of General Bistatic SAR Configuration Data With 2-D Inverse Scaled FFT.
IEEE Trans. Geosci. Remote. Sens., 2006

Data-Aided Timing Acquisition in UWB Differential Transmitted Reference Systems.
Proceedings of the IEEE 17th International Symposium on Personal, 2006

Bistatic Image Processing for a Hybrid SAR Experiment Between TerraSAR-X and PAMIR.
Proceedings of the IEEE International Geoscience & Remote Sensing Symposium, 2006

A Solution for Bistatic Motion Compensation.
Proceedings of the IEEE International Geoscience & Remote Sensing Symposium, 2006

2D Inverse Scaling Bistatic Processing and the focused Image Quality Measurements.
Proceedings of the IEEE International Geoscience & Remote Sensing Symposium, 2006

On Position and Attitude Determination Requirements for future Bistatic SAR Experiments.
Proceedings of the IEEE International Geoscience & Remote Sensing Symposium, 2006

Modular SAR Simulator for Bi- and Multistatic Constellations.
Proceedings of the IEEE International Geoscience & Remote Sensing Symposium, 2006

Bistatic Space Borne / Airborne Experiment: Geometrical Modeling and Simulation.
Proceedings of the IEEE International Geoscience & Remote Sensing Symposium, 2006

Bistatic Exploration using Spaceborne and Airborne SAR Sensors: A Close Collaboration Between FGAN, ZESS, and FOMAAS.
Proceedings of the IEEE International Geoscience & Remote Sensing Symposium, 2006

PCRB for Positioning in GSM Networks.
Proceedings of the 36. Jahrestagung der Gesellschaft für Informatik, 2006

Autonomous Tracking of Space Objects with the FGAN Tracking and Imaging Radar.
Proceedings of the 36. Jahrestagung der Gesellschaft für Informatik, 2006

Range Image Based Classification System Using Support Vector Machines.
Proceedings of the Computational Intelligence and Security, International Conference, 2006

2005
Bistatic SAR processing using an Omega-K type algorithm.
Proceedings of the IEEE International Geoscience & Remote Sensing Symposium, 2005

Clock synchronization protocol for distributed satellite networks.
Proceedings of the IEEE International Geoscience & Remote Sensing Symposium, 2005

Comparison of doppler centroid estimators in bistatic airborne SAR.
Proceedings of the IEEE International Geoscience & Remote Sensing Symposium, 2005

Parameter estimation for bistatic constellations.
Proceedings of the IEEE International Geoscience & Remote Sensing Symposium, 2005

First steps to bistatic focusing.
Proceedings of the IEEE International Geoscience & Remote Sensing Symposium, 2005

Registration by automatic subimage selection and maximization of mutual information.
Proceedings of the IEEE International Geoscience & Remote Sensing Symposium, 2005

Klassifizierungsaspekte bei der 3D-Szenenexploration mit einer neuen 2D/3D-Multichip-Kamera.
Proceedings of the Autonome Mobile Systeme 2005, 2005

2004
Models and useful relations for bistatic SAR processing.
IEEE Trans. Geosci. Remote. Sens., 2004

A data fusion approach for distributed orbit estimation.
Proceedings of the 2004 IEEE International Geoscience and Remote Sensing Symposium, 2004

Orbit tracking and interpolation using a realistic gravitation model.
Proceedings of the 2004 IEEE International Geoscience and Remote Sensing Symposium, 2004

High Precision Simulation of Near Earth Satellite Orbits for SAR-Applications.
Proceedings of the Computational Science, 2004

2003
Orbit estimation of the interferometric cartwheel using an extended linearized Kalman filter.
Proceedings of the 2003 IEEE International Geoscience and Remote Sensing Symposium, 2003

Sensitivity of DEMs generated from interferometric cartwheel configurations.
Proceedings of the 2003 IEEE International Geoscience and Remote Sensing Symposium, 2003

Orbit modeling related to cartwheel geometry.
Proceedings of the 2003 IEEE International Geoscience and Remote Sensing Symposium, 2003

2002
Baseline estimation and prediction referring to the SRTM.
Proceedings of the IEEE International Geoscience and Remote Sensing Symposium, 2002

1999
Spotlight SAR data processing using the frequency scaling algorithm.
IEEE Trans. Geosci. Remote. Sens., 1999

1997
Estimating the derivative of modulo-mapped phases.
Proceedings of the 1997 IEEE International Conference on Acoustics, 1997

1994
Demodulation of noisy phase or frequency modulated signals with Kalman filters.
Proceedings of ICASSP '94: IEEE International Conference on Acoustics, 1994

1990
Fixed Interval Kalman Smoothers for the Doppler Centroid Estimation for X-SAR.
Proceedings of the ASST '90, 1990

1987
A New "Switched Kalman Filter" for 3D-Contourmeasuring Problems with a Laser Diode Range Finder.
Proceedings of the ASST '87, 1987


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