Terahertz-Light Field Camera Prototyp

Light-field cameras record both the brightness and direction of the incident light rays. This spatiodirectional information can be post-processed for a dynamic focal point adjustment and 3-D imaging. Light-field has traditionally been a domain of visible light computational imaging. Our chair is leading the development of light-field methodologies for the THz spectrum, bringing new foundational understanding and hardware capabilities for bridging the terahertz gap.

Currently, we are building the first ever THz light-field camera prototype - which consists of a 3x3 super-array of lens coupled 1k-pixel THz CMOS cameras - in a single package. The CMOS camera chip is presented in the International Solid-State Circuits Conference (ISSCC) 2021. The figure shows the prototype of the light field array. The prototype serves as the hardware platform for the development of light-field based real-time THz 3-D imaging techniques.

Preliminary work:

1992

70.

Kummert, Anton; Hartwig, Stephan; Hypki, Alfred
A new adaptive lattice filter for the ARMA modeling of vector signals
Signal Processing, 26 (1) :61-93
1992
ISSN: 0165-1684

DOI: https://doi.org/10.1016/0165-1684(92)90056-3

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69.

Kummert, Anton; Hartwig, Stephan; Hypki, Alfred
A new adaptive lattice filter for the ARMA modeling of vectors signals
Signal Processing, 26 (1) :61-93
January 1992

68.

Holtz, J.; Krah, J. O.
Adaptive optimal pulse-width modulation for the line-side converter of electric locomotives
IEEE Transactions on Power Electronics, 7 (1) :205--211
1992
ISSN: 1941-0107

DOI: 10.1109/63.124592

67.

Fettweis, Alfred; Kummert, Anton
An efficient algorithm for the spectral factorization of rational nonnegative para-Hermitian marrices
Archiv für Elektronik und Übertagungstechnik, AEÜ, 46 (3) :150-156
1992

66.


Conference Record of the 1992 IEEE Industry Applications Society Annual Meeting
1992

65.

Kummert, Anton
Fuzzy-Classification / Fuzzy-Clustering
Atlas Elektronik GmbH, Bremen, Report BL 4788 T 121
1992

64.

Khambadkone, A. M.; Holtz, J.
Low switching frequency and high dynamic pulsewidth modulation based on field-orientation for high-power inverter drive
IEEE Transactions on Power Electronics, 7 (4) :627--632
1992
ISSN: 1941-0107

DOI: 10.1109/63.163642

63.

Holtz, J.; Lotzkat, W.; Khambadkone, A. M.
On continuous control of PWM inverters in the overmodulation range including the six-step mode
, Proceedings of the 1992 International Conference on Industrial Electronics, Control, Instrumentation, and AutomationVolume8, Page 307-312 vol.1
1992

DOI: 10.1109/IECON.1992.254615

62.

Holtz, J.; Beyer, B.
Optimal synchronous pulsewidth modulation with a trajectory tracking scheme for high dynamic performance (invertor control)
[Proceedings] APEC '92 Seventh Annual Applied Power Electronics Conference and Exposition, Page 147--154
1992

DOI: 10.1109/APEC.1992.228418

61.


PESC '92 Record. 23rd Annual IEEE Power Electronics Specialists Conference
1992

60.


Proceedings of the 1992 International Conference on Industrial Electronics, Control, Instrumentation, and Automation
1992

59.

Holtz, J.
Pulsewidth Modulation in Motion Control
Singapore International Conference on Intelligent Control and Instrumentation [Proceedings 1992], Page 115--120
1992

DOI: 10.1109/SICICI.1992.641657

58.

Holtz, J.
Pulsewidth modulation-a survey
IEEE Transactions on Industrial Electronics, 39 (5) :410--420
1992
ISSN: 1557-9948

DOI: 10.1109/41.161472

57.

Roeckerath-Ries, Marie-Theres
Schiffsbewegungen und deren Einfluß auf die Peilgenauigkeit von Sonarantennen-Theorie und Simulation
Atlas Elektronik GmbH, Bremen, Report BL 4788 T 108
February 1992

56.


Singapore International Conference on Intelligent Control and Instrumentation [Proceedings 1992]
Volume 1
1992

55.

Holtz, J.; Krah, J. O.
Suppression of time-varying resonances in the power supply line of AC locomotives by inverter control
IEEE Transactions on Industrial Electronics, 39 (3) :223--229
1992
ISSN: 1557-9948

DOI: 10.1109/41.141624

1991

54.

Kummert, Anton
Realisierbarkeitsuntersuchung für automatischen Signalklassifikator
Atlas Elektronik GmbH, Bremen, Report BL 8150 G 030
December 1991

53.

Kummert, Anton
On the synthesis of multidimensional reactance multiports
Circuits and Systems, IEEE Transactions on, 38 (6) :637--642
June 1991
ISSN: 0098-4094

DOI: 10.1109/31.81858

52.

Kummert, Anton
On the synthesis of multidimensional reactance multiports
Circuits and Systems, IEEE Transactions on, 38 (6) :637--642
June 1991
ISSN: 0098-4094

DOI: 10.1109/31.81858

51.

Kummert, Anton
The adaptive SQNLSL and GLSL algorithm: New recursions reducing the number of square-root operations by the factor three
Recent Advances in Mathematical Theory of Systems, Control, Networks and Signal Processing II (H. Kimura and S. Kodama, Eds), in Proc. International Symposium on the Mathematical Theory of Networks and Systems, MTNS, Kobe, Japan, 2 :551-556
June 1991

50.

Fettweis, Alfred; Kummert, Anton
Feasibility proof for arbitarily tight phase equalization
Journal of Circuits, Systems and Computers, 1 (1) :1-18
March 1991

49.

Holtz, J.; Bube, E.
Field-oriented asynchronous pulse-width modulation for high-performance AC machine drives operating at low switching frequency
IEEE Transactions on Industry Applications, 27 (3) :574--581
1991
ISSN: 1939-9367

DOI: 10.1109/28.81844

48.

Antic, D.; Holtz, J.
High-efficiency dual transistor base drive circuit based on the Cuk converter topology
IEEE Transactions on Industrial Electronics, 38 (3) :161--165
1991
ISSN: 1557-9948

DOI: 10.1109/41.87582

47.

Holtz, J.; Thimm, T.
Identification of the machine parameters in a vector-controlled induction motor drive
IEEE Transactions on Industry Applications, 27 (6) :1111--1118
1991
ISSN: 1939-9367

DOI: 10.1109/28.108462

46.

Khambadkone, A. M.; Holtz, J.
Vector-controlled induction motor drive with a self-commissioning scheme
IEEE Transactions on Industrial Electronics, 38 (5) :322--327
1991
ISSN: 1557-9948

DOI: 10.1109/41.97551