Projects

A selection of my past and present research projects. More projects will be added soon.

3D videos of fast scenes with unprecedented data quality

Image objects through scattering media or around corners at high resolution

A handheld motion robust 3D scanner

3D Measurement of complicated specular surfaces with a tablet

A novel approach to high resolution Time-of-Flight imaging

Publications

Please check my Google Scholar profile for the latest updates.

2019

Synthetic Wavelength Holography: An Extension of Gabor’s Holographic Principle to Imaging with Scattered Wavefronts
F. Willomitzer, P. Rangarajan, F. Li, M. Balaji, M. Christensen, O. Cossairt.
arXiv Preprint

Hand-Guided Qualitative Deflectometry with a Mobile Device
F. Willomitzer, C-K. Yeh, V. Gupta, W. Spies, F. Schiffers, M. Walton, O. Cossairt.
arXiv Preprint

Spatially resolved Indirect Imaging of objects beyond the line of sight
P. Rangarajan, F. Willomitzer, O. Cossairt, MP. Christensen
Proc. SPIE 11135, Unconventional and Indirect Imaging, Image Reconstruction, and Wavefront Sensing 2019

Non-Line-of-Sight Imaging with Superheterodyne Remote Digital Holography
F. Willomitzer, F. Li, M.M. Balaji, P. Rangarajan, O. Cossairt
OSA Computational Optical Sensing and Imaging, CM2A. 2

Speckle based Extended Depth-of-Field for Macroscopic Imaging: First results
F. Schiffers, F. Willomitzer, P. Ruiz, A.K. Katsaggelos, O. Cossairt
OSA Computational Optical Sensing and Imaging, CTh4A. 6

Mega-pixel time-of-flight imager with GHz modulation frequencies
F. Li, F. Willomitzer, P. Rangarajan, O. Cossairt.
OSA Computational Optical Sensing and Imaging, CTh2A. 2

Time-domain optical coherence tomography can measure artworks with high penetration and high resolution
B. Xu, K. He, P. Hao, J. Gao, F. Willomitzer, A.K. Katsaggelos, J.E. Tumblin, O. Cossairt, M. Walton.
SPIE Optics for Arts, Architecture, and Archaeology VII 11058, 110580M

2018

High Resolution Single-Shot 3D Imaging with the “3D movie camera”
F. Willomitzer, G. Häusler.
OSA 3D Image Acquisition and Display: Technology, Perception and Applications, 3M3G. 2

Micro Resolution Time-of-Flight Imaging
F. Li, F. Willomitzer, P. Rangarajan, A. Velten, M. Gupta, O. Cossairt.
OSA Computational Optical Sensing and Imaging, CM2E. 4

Non-Line-of-Sight Imaging using Superheterodyne Interferometry
F. Willomitzer, F. Li, M.M. Balaji, P. Rangarajan, O. Cossairt.
OSA Computational Optical Sensing and Imaging, CM2E. 1

SH-ToF: Micro Resolution Time-of-Flight Imaging with Superheterodyne Interferometry
F. Li, F. Willomitzer, P. Rangarajan, A. Velten, M. Gupta, O. Cossairt.
IEEE International Conference on Computational Photography (ICCP)

2017

Single-Shot 3D Sensing Close to Physical Limits and Information Limits
F. Willomitzer.
Dissertation, University Erlangen-Nuremberg, Published as book in the series “Springer Theses” in 2019

Single-shot 3D motion picture camera with a dense point cloud
F. Willomitzer, G. Häusler.
Optics Express 25(19), 23451-23464

2016

The 3D Motion Picture Camera - About Single-Shot, High Resolution 3D-Imaging
F. Willomitzer, G. Häusler.
Proceedings of the 117th DGaO Conference, Hannover, B4

2015

A stroll through 3D imaging and measurement
G. Häusler, F. Willomitzer
ICO Newsletter, No. 104

Towards the single-shot 3D movie camera
F. Willomitzer, F. Schiffers, M. Kuch, G. Häusler
Proceedings of the 116th DGaO Conference, Brno, A13.

Space-Bandwidth-Speed: the real challenge for optical 3D-sensors
G. Häusler, Z. Yang, F. Willomitzer
Proceedings of the 116th DGaO Conference, Brno, A7.

Single-shot 3D sensing with improved data density
F. Willomitzer, S. Ettl, C. Faber, G. Häusler.
Applied Optics, 54(3), 408-417

2014

Hand – guided 3D surface acquisition by combining simple light sectioning with real-time algorithms
O. Arold, S. Ettl, F. Willomitzer, G. Häusler
arXiv:1401.1946.

Consequences of EEG electrode position error on ultimate beamformer source reconstruction performance
S. S. Dalal, S. Rampp, F. Willomitzer, S. Ettl.
Frontiers in Neuroscience, 8(42), 1-7.

Light-sectioning with many lines - how to settle the information deficit
F. Willomitzer, S. Ettl, G. Häusler.
Proceedings of the 115th DGaO Conference, Karlsruhe, A21.

Plausibility-based approach to eliminate line pattern indexing ambiguities
S. Ettl, F. Willomitzer, G. Häusler.
Proceedings of the 115th DGaO Conference, Karlsruhe, A22.

Calibration of multi-line-light-sectioning
F. Schiffers, F. Willomitzer, S. Ettl, Z. Yang, G. Häusler.
Proceedings of the 115th DGaO Conference, Karlsruhe, P12.

Automated evaluation tools in medicine enabled by a motion-robust optical 3D sensor
S. Ettl, F. Schiffers, F. Willomitzer, S. Rampp, C. Strauss, G. Häusler.
Proceedings of the 115th DGaO Conference, Karlsruhe, P10.

Multi-line triangulation with many lines
M. Kuch, F. Willomitzer, F. Schiffers, Z. Yang, S. Ettl, G. Häusler.
Proceedings of the 115th DGaO Conference, Karlsruhe, P11 (poster award).

2013

Flying Triangulation – Towards the 3D Movie Camera
F. Willomitzer, S. Ettl, O. Arold, G. Häusler.
Fringe 2013, The 7th International Workshop on Advanced Optical Imaging & Metrology, W. Osten, Springer, Berlin, 895 898.

Detection and correction of line indexing ambiguities in Flying Triangulation
F. Willomitzer, S. Ettl, O. Arold, G. Häusler.
Proceedings of the 114th DGaO Conference, Braunschweig, A12.

Tomographic Triangulation
G. Häusler, F. Willomitzer, P. Dienstbier, C. Faber.
Proceedings of the 114th DGaO Conference, Braunschweig, A16.

Management of head motion during MEG recordings with Flying Triangulation
S. Ettl, A. Sadeghzadeh, F. Willomitzer, O. Arold, S. Rampp, H. Stefan, G. Häusler.
Proceedings of the 114th DGaO Conference, Braunschweig, A13.

Improved EEG source localization employing 3D sensing by “Flying Triangulation
S. Ettl, S. Rampp, S. Fouladi, S. S. Dalal, F. Willomitzer, O. Arold, H. Stefan, G. Häusler.
Proceedings SPIE 8791A, Videometrics, Range Imaging, and Applications XII, 8791-32.

Improved EEG source localization using a novel 3D sensor
S. Rampp, S. S. Dalal, F. Willomitzer, O. Arold, S. Fouladi-Movahed, G. Häusler, H. Stefan, S.Ettl.
Epilepsia 54, 264-265

2012

Flying Triangulation – a motion-robust optical 3D sensor for the real-time shape acquisition of complex objects.
F. Willomitzer, S. Ettl, O. Arold, G. Häusler.
Proceedings of the 3rd International Topical Meeting on Optical Sensing and Artificial Vision, Saint Petersburg, Russia, AIP Volume 1537,19-26.

Why can’t we purchase a perfect single shot 3D-sensor?
G. Häusler, C. Faber, F. Willomitzer, P. Dienstbier.
Proceedings of the 113th DGaO Conference, Eindhoven, A8.

Calibration of “Flying Triangulation”
M. Schröter, F. Willomitzer, O. Arold, S. Ettl, G. Häusler.
Proceedings of the 113th DGaO Conference, Eindhoven, P25.

Robust pattern indexing methods for “Flying Triangulation”
S. Ettl, F. Willomitzer, O. Arold, G. Häusler.
Proceedings of the 113th DGaO Conference, Eindhoven, P24.

Sparse active triangulation grids for respiratory motion management
S. Bauer, S. Ettl, J. Wasza, F. Willomitzer, F. Huber, J. Hornegger, G. Häusler.
Proceedings of the 112th DGaO Conference, Ilmenau, P23.

Koregistrierung von Elektroenzephalographie und Kernspintomographie mittels des optischen Sensorprinzips “Flying Triangulation” (German only)
S. Rampp, S. Ettl, S. Fouladi-Movahed, F. Willomitzer, O. Arold, H. Stefan, G. Häusler.
RöFo - Fortschritte auf dem Gebiet der Röntgenstrahlen und der bildgebenden Verfahren (184).

Medical applications enabled by a motion-robust optical 3D sensor
S. Ettl, S. Fouladi-Mavahed, S. Bauer, O. Arold, F. Willomitzer, F. Huber, S. Rampp, H. Stefan, J. Hornegger, G. Häusler.
Proceedings of the 113th DGaO Conference, Eindhoven, P22.

2011

Options and limitations of “Flying Triangulation”
F. Willomitzer, O. Arold, F. Huber, S. Ettl, G. Häusler.
Proceedings of the 112th DGaO Conference, Ilmenau, P29.

3D body scanning with “Flying Triangulation”
F. Huber, O. Arold, F. Willomitzer, S. Ettl, G. Häusler.
Proceedings of the 112th DGaO Conference, Ilmenau, P30 (poster award).

2010

FlyFace – 3D face measurement with Flying Triangulation
F. Willomitzer
Diploma Thesis, University Erlangen-Nuremberg

„Flying Triangulation“ – Acquiring 360° Topography of the Human Body on the Fly
S. Ettl, O. Arold, F. Willomitzer, Z. Yang, G. Häusler.
Proceedings of the International Conference on 3D Body Scanning Technologies, Lugano, Switzerland, 279-284.

3D face scanning with “Flying Triangulation”
F. Willomitzer, Z. Yang, O. Arold, S. Ettl, G. Häusler.
Proceedings of the 111th DGaO Conference, Wetzlar, P18 (poster award).

Contact

Dr. Florian Willomitzer

florian [dot] willomitzer [at] northwestern [dot] edu

Northwestern University
Department of Computer Science
Seeley Mudd Building, Rm 3406
2233 Tech Drive, Evanston, IL 60208