Prof. Alexander Braun
Professor of Physics at Hochschule Duesseldorf
SPIE Involvement:
Author
Area of Expertise:
Automotive , Image Quality , Camera System Design , Quantum Optics , Quantum Computing , Ion Traps
Websites:
Profile Summary

Professor of Physics and Optics. Expert in automotive image quality. 20 years of experience with optical technologies of all flavours, from fundamental quantum optics research to optical quality questions arising during assembly of 100.000 cameras per year.

In my research group at the University of Applied Sciences in Düsseldorf we are developing a novel numerical model for the point-spread function (PSF) of an optical system. The basic idea is to take a measured or simulated PSF, to numerically fit the model to the measurement and then be able to include this numerical model in other simulations.
Publications (4)

Proceedings Article | 21 June 2019 Paper
Proceedings Volume 11062, 1106214 (2019) https://doi.org/10.1117/12.2528100
KEYWORDS: Modulation transfer functions, Point spread functions, Image restoration, Image quality, Optical design, Stars, Convolution, Detection and tracking algorithms, Image processing, Cameras

SPIE Journal Paper | 9 April 2019
Matthias Lehmann, Christian Wittpahl, Hatem Ben Zakour, Alexander Braun
OE, Vol. 58, Issue 04, 045101, (April 2019) https://doi.org/10.1117/12.10.1117/1.OE.58.4.045101
KEYWORDS: Point spread functions, Neurons, Data modeling, Image resolution, Cameras, Imaging systems, Neural networks, Systems modeling, Spatial resolution, Computer simulations

SPIE Journal Paper | 12 January 2019
Matthias Lehmann, Christian Wittpahl, Hatem Ben Zakour, Alexander Braun
JEI, Vol. 28, Issue 01, 013005, (January 2019) https://doi.org/10.1117/12.10.1117/1.JEI.28.1.013005
KEYWORDS: Point spread functions, Cameras, Imaging systems, Optical aberrations, Systems modeling, Tolerancing, Data modeling, Lens design, Algorithm development, Optical properties

Proceedings Article | 28 May 2018 Paper
Matthias Lehmann, Christian Wittpahl, Hatem Ben Zakour, Alexander Braun
Proceedings Volume 10695, 106950C (2018) https://doi.org/10.1117/12.2313144
KEYWORDS: Point spread functions, Image resolution, Neurons, Imaging systems, Cameras, Spatial resolution, Artificial neural networks, Systems modeling, Convolution, Computer simulations

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