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Prof. Dr.-Ing. Otmar Loffeld

Raum: 
PB-H 105
Telefon: 
+49 (271) 740-3125
Anschrift: 

Universität Siegen
Zentrum für Sensorsysteme (ZESS)
57076 Siegen



2017

Artikel in Zeitschriften

[bib] -  M. Heredia Conde, O. Loffeld - Fast Approximate Construction of Best Complex Antipodal Spherical Codes
In ArXiv e-prints, 2017

2016

Artikel in Zeitschriften

[bib] -  M. Heredia Conde, B. Zhang, K. Kagawa, O. Loffeld - Low-Light Image Enhancement for Multiaperture and Multitap Systems
In Photonics Journal, IEEE, 8(2), 2016, pages 1-25

Begutachtete Konferenzbeiträge

[bib] - Miguel Heredia Conde , Klaus Hartmann , Otmar Loffeld - Simple Adaptive Progressive Edge-Growth Construction of LDPC Codes for Close(r)-to-Optimal Sensing in Pulsed ToF
In 4th International Workshop on Compressed Sensing Theory and its Applications to Radar, Sonar, and Remote Sensing (CoSeRa 2016), 2016
[bib] - Otmar Loffeld , Alexander Seel , Miguel Heredia Conde , Ling Wang - Sparse CS Reconstruction by Nullspace-based L1 Minimizing Kalman Filtering
In 11th International Conference on Communications (COMM 2016), 2016
[bib] - Otmar Loffeld , Alexander Seel , Miguel Heredia Conde , Ling Wang - A Nullspace Based L1 Minimizing Kalman Filter Approach to Sparse CS Reconstruction
In 11th European Conference on Synthetic Aperture Radar (EUSAR 2016), 2016

2015

Artikel in Zeitschriften

[bib] - M. Heredia Conde, K. Hartmann, O. Loffeld - Simultaneous Multichannel Waveform Recovery of Illumination Signals Using Compressed Sensing
In Photonics Technology Letters, IEEE, 27(4), 2015, pages 431-434
[bib] - M. Heredia Conde, K. Hartmann, O. Loffeld - A Compressed Sensing Framework for Accurate and Robust Waveform Reconstruction and Phase Retrieval Using the Photonic Mixer Device
In Photonics Journal, IEEE, 7(3), 2015, pages 1-16
[bib] - M. Heredia Conde, K. Hartmann, O. Loffeld - Adaptive High Dynamic Range for Time-of-Flight Cameras
In Instrumentation and Measurement, IEEE Transactions on, 64(7), 2015, pages 1885-1906

Begutachtete Konferenzbeiträge

[bib] - Miguel Heredia Conde, Klaus Hartmann, Otmar Loffeld - Crosstalk characterization of PMD pixels using the spatial response function at subpixel level
In Proc. SPIE, 9393, 2015, pages 93930L-93930L-11 - [pdf]
[bib] - M. Heredia Conde, K. Hartmann, O. Loffeld - Structure and Rank Awareness for Error and Data Flow Reduction in Phase-Shift-Based ToF Imaging Systems Using Compressive Sensing
In 3rd International Workshop on Compressed Sensing Theory and its Applications to Radar, Sonar and Remote Sensing (CoSeRa), 2015, pages 150-154
[bib] - Miguel Heredia Conde, Davoud Shahlaei, Volker Blanz, Otmar Loffeld - Efficient and Robust Inverse Lighting of a Single Face Image Using Compressive Sensing
In The IEEE International Conference on Computer Vision (ICCV) Workshops, 2015
[bib] - Vinh Nguyen Xuan , W. Weihs , O. Loffeld - Illumination, phase step optimization and improvements in simultaneous multiple frequency measurement for Time-of-Flight sensors
In 3D Imaging (IC3D), 2015 International Conference on, 2015, pages 1-6
[bib] - O. Loffeld, T. Espeter, M. Heredia Conde - From Weighted Least Squares Estimation to Sparse CS Reconstruction: L1 Minimization in the Framework of Recursive Kalman Filtering
In 3rd International Workshop on Compressed Sensing Theory and its Applications to Radar, Sonar and Remote Sensing (CoSeRa), 2015, pages 149-153

2014

Begutachtete Konferenzbeiträge

[bib] - M. Heredia Conde, K. Hartmann, O. Loffeld - Subpixel Spatial Response of PMD Pixels
In Imaging Systems and Techniques (IST), 2014 IEEE International Conference on, 2014, pages 297-302
[bib] - M. Heredia Conde, K. Hartmann, O. Loffeld - Turning a ToF camera into an illumination tester: Multichannel waveform recovery from few measurements using compressed sensing
In 3D Imaging (IC3D), 2014 International Conference on, 2014, pages 1-8

2013

Artikel in Zeitschriften

[bib] - B. Langmann, K. Hartmann, O. Loffeld - Increasing the Accuracy of Time-of-Flight Cameras for Machine Vision Applications
In Computers in Industry, Special Issue: 3D Imaging in Industry, 2013
[bib] - J. Ding, M. Kahl, O. Loffeld, P. Haring Bolívar - THz 3-D Image Formation Using SAR Techniques: Simulation, Processing and Experimental Results
In IEEE Trans. Terahertz Science and Technology, 3(5), 2013, pages 606-616
[bib] - B. Langmann, W. Weihs, K. Hartmann, O. Loffeld - Investigation of a Long-Range Time-of-Flight and Color Imaging System
In Trans. Systems, Man, and Cybernetics -- Part B: Cybernetics(99), 2013

Buchbeiträge

[bib] - B. Langmann, K. Hartmann, O. Loffeld - Real-time Image Stabilization for ToF Cameras on Mobile Platforms
In Time-of-Flight and Depth Imaging: Sensors, Algorithms, and Applications, Springer Berlin Heidelberg, 2013, pages 289-301

2012

Teil eines Buches

[bib] - B. Langmann, K. Hartmann, O. Loffeld - A Modular Framework for 2D/3D and Multi-modal Segmentation with Joint Super-Resolution
In Computer Vision – ECCV 2012. Workshops and Demonstrations, Springer Berlin / Heidelberg, 7584, 2012, pages 12-21 - [pdf]
[bib] - B. Langmann, K. Hartmann, O. Loffeld - Depth Auto-calibration for Range Cameras Based on 3D Geometry Reconstruction
In Advances in Visual Computing, Springer Berlin Heidelberg, 7432, 2012, pages 756–766 - [pdf]

Begutachtete Konferenzbeiträge

[bib] - B. Langmann, K. Hartmann, O. Loffeld - Depth Camera Technology Comparison and Performance Evaluation
In International Conference on Pattern Recognition Applications and Methods (ICPRAM 2012), 2012, pages 438-444 - [pdf]

2011

Artikel in Zeitschriften

[bib] - B. Langmann, K. Hartmann, O. Loffeld - Comparison of Depth Super-Resolution Methods for 2D/3D Images
In International Journal of Computer Information Systems and Industrial Management Applications, 3, 2011, pages 635 -645 - [pdf]

Begutachtete Konferenzbeiträge

[bib] - B. Langmann, K. Hartmann, O. Loffeld - Global Multi-View Tracking utilizing Color and ToF Cameras by Combining Volumetric and Photometric Measures
In International Conference on Computer Vision Theory and Applications (VISAPP 2011), 2011, pages 694-699 - [pdf]

2010

Begutachtete Konferenzbeiträge

[bib] - B. Langmann, K. Hartmann, O. Loffeld - Depth Assisted Background Subtraction for Color Capable ToF-Cameras
In Proceedings of the 2010 International Conference on Image and Video Processing and Computer Vision (IVPCV-10), 2010, pages 75-82
[bib] - Benjamin Langmann, Seyed E. Ghobadi, Klaus Hartmann, Otmar Loffeld - Multi-Modal Background Subtraction using Gaussian Mixture Models
In ISPRS Technical Commission III Symposium on Photogrammetry Computer Vision and Image Analysis (PCV 2010), 2010, pages 61-66 - [pdf]
[bib] - B. Langmann, K. Hartmann, O. Loffeld - Comparison of Bilateral Filtering Strategies for Video Processing in Color and Depth
In Proceedings of the IADIS International Conference on Computer Graphics, Visualization, Computer Vision and Image Processing 2010 (CGVCVIP 2010), 2010, pages 76-84 - [pdf]
[bib] - B. Langmann, S. E. Ghobadi, K. Hartmann, O. Loffeld - Multi-Modal Background Substraction using Gaussian Mixture Models
In Proc. Symp. Photogrammetry Computer Vision and Image Analysis (PCV), 28, 2010, pages 61-66

2007

Begutachtete Konferenzbeiträge

[bib] - M. Kalkuhl, P. Droste, W. Wiechert, H. Nies, O. Loffeld, M. Lambers - Parallel Computation of Synthetic SAR Raw Data
In Proc. Int. Geoscience and Remote Sensing Symposium (IGARSS), 2007, pages 536-539 - [pdf]

2006

Begutachtete Konferenzbeiträge

[bib] - J. H. G. Ender, J. Klare, I. Walterscheid, A. R. Brenner, M. Weiß, C. Kirchner, H. Wilden, O. Loffeld, A. Kolb, W. Wiechert, M. Kalkuhl, S. Knedlik, U. Gebhardt, H. Nies, K. Natroshvili, S. Ige,  - Bistatic Exporation Using Spaceborne and Airborne SAR Sensors: A Close Collaboration Between FGAN, ZESS and FOMAAS
In IEEE IGARSS, 2006, pages 1828-1831 - [pdf]