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Research Associate* Image Processing for Turbulence Mitigation

Fraunhofer-Institut für Optronik, Systemtechnik und Bildauswertung IOSB, Ettlingen, Germany
Employer Description

Fraunhofer Society is the largest organization for applied research in Europe. One of 72 Fraunhofer institutes, the Fraunhofer Institute of Optronics, System Technologies and Image Exploitation (IOSB) in Ettlingen supports research in areas such as real-time image processing, pattern recognition, and performance optimization of electro-optical systems.

Job Description

The Department of Signatorics at Fraunhofer IOSB in Ettlingen has an opening for:


Research Associate*

Image Processing for Turbulence Mitigation


The position is based in the Adaptive Optics Group, where research themes revolve around imaging through turbulence (especially along horizontal paths and strong turbulence) and free-space laser communications. The team develops simulations, theoretical models, image processing software and adaptive optics systems.


More information about the Adaptive Optics Group at Fraunhofer IOSB can be found under:



Long-range surveillance has numerous military, security, and navigation applications. Most electro-optical systems used for this purpose are operated in the lower atmospheric boundary layer and therefore their performance is highly affected by atmospheric phenomena such as rain, fog, scattering, absorption and turbulence. That last of these detrimental effects is the focus of the international project “Development of Software-Based Atmospheric Turbulence Mitigation Demonstrator” coordinated by the European Defence Agency.


In the context of the project, Fraunhofer IOSB aims to develop novel algorithms for turbulence mitigation and to create standalone software capable of real-time or near real-time execution on video sequences corresponding to a wide a range of turbulence strengths.


Job Requirements

  • M.Sc. or equivalent experience in Electrical Engineering, Computer Science or Natural Sciences
  • In-depth knowledge of the foundations and current state-of-the-art solutions in the field of image processing
  • Experience with at least one high-level programming language
  • A demonstrated record of original thinking (through e.g. scientific publications, technical reports or patents), and the ability to conduct research both independently and collaboratively
  • Experience with hardware programming (FPGA or GPU) is desirable



The incumbent will be tasked with putting forward, implementing and testing algorithms meant to alleviate the following problems caused by atmospheric turbulence in long-range imaging:

  • temporally and spatially varying warping and blurring
  • global image shifts
  • loss of contrast
  • decrease in signal-to-noise ratio
  • discrimination between real moving objects and apparent motions caused by turbulence


They will start with literature research and familiarize themselves with the already available high-level software. When commensurate with the candidate’s experience in low-level / hardware programming, subsequent tasks would include real-time implementation of the existing algorithms in hardware and developing interfaces to imaging sensors. Alternatively, incumbents with demonstrated research skills in image processing would be encouraged to propose and validate their own approaches to turbulence mitigation, exploring novel solutions normally falling into such general categories as: image stabilization, block matching, optical flow, deconvolution and “lucky imaging”.


The incumbent is also expected to publish papers and give presentations at international conferences.


What you can expect from us

  • A varied, exciting job at the interface between research and application
  • An opportunity to work in a diverse and international research group
  • Possibility of collaboration with leading international experts, research institutions and companies
  • A structured program of further professional development
  • Family-friendly conditions and flexible working hours


Appointment, remuneration and social security benefits are based on the public-sector collective wage agreement (TVöD). Additionally, Fraunhofer may grant performance-based variable remuneration components.

The initial appointment will be for 3 years, with possibility for extension.


In case of identical qualifications, preference will be given to severely disabled candidates.

* The job title is meant to include the third gender (female, male, diverse). The Fraunhofer-Gesellschaft emphasizes gender-independent professional equality.


To be considered for this position, apply online with a CV and names of 3 professional references which include former supervisor(s), quoting job reference number IOSB-2020-51:



With questions about this position, please contact:

Dr. Szymon Gładysz

Adaptive Optics Group Leader

Phone: +49 7243 992-120


Information about the Institute can be found under:


30 October 2020
29 December 2020
Masters Degree
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