Frank Rietz
Freelance Work
Experience
Freelance Work
- Optimization of robots in warehouse logistics (Python)
Research Associate
Faculty of Digital Transformation, HTWK Leipzig
- Automated image recognition of technical drawings (Python)
Freelance Work
- Data analysis and development of image processing algorithms (Matlab, Python)
Algorithms Developer
Thorsis Technologies GmbH
- Development of interpolation algorithms for image enhancement in foot pressure measurement (Octave/Matlab)
- Simulation of radio wave propagation in traffic scenarios
- Statistical analysis and pattern recognition in medical datasets
Research Associate
Institute for Multiscale Simulation, University of Erlangen-Nuremberg
- Continuation of the previous Göttingen project
Postdoc
Otto von Guericke University Magdeburg, Department of Structure Formation
- Investigation of droplet oscillations using high-speed camera
- Flow visualization using Particle Image Velocimetry (PIV)
- Thermography
- Use of lasers in experimental setups
- Control of stepper motors
- Flow visualization of liquids
- Automated control using LabView
- Supervision of diploma theses
Research Associate
Max Planck Institute for Dynamics and Self-Organization
- Investigation of the transition from amorphous to crystalline matter using sphere packings
- Independent development of a three-dimensional tomographic method based on laser and refractive index matching
- 3D image analysis using IDL
- Development of custom algorithms for image detection
- Processing of image artifacts
- Automated experiment execution over several months
- Improvement of this tomography method beyond the state of the art
- Handling of chemicals and dyes in the chemistry lab
- Use of lasers in experimental setups
- Control of stepper motors
- Temperature-controlled setup
- Full control using LabView, C++
- Writing of English publications
- International conference presentations and publications
DAAD Scholar
Center for Nonlinear Dynamics, University of Texas
- Start of the experiment, which was continued in Göttingen
Doctoral Candidate
Otto von Guericke University Magdeburg, Department of Nonlinear Phenomena
- Discovery of new effects in convection and segregation of granular materials
- Motion analysis in images
- Computed tomography measurements
- Experiments under vacuum
- Control using LabView, C++
- Writing English publications
- International presentations
- Teaching
- Writing scientific proposals
- Supervision of students
Industries Experience
See where this freelancer has spent most of their professional time. Longer bars indicate deeper hands-on experience, while shorter ones reflect targeted or project-based work.
Experienced in Education (13.5 years), Information Technology (5 years), Automotive (2 years), Healthcare (2 years), Telecommunication (2 years), and Transportation (1 year).
Business Areas Experience
The graph below provides a cumulative view of the freelancer's experience across multiple business areas, calculated from completed and active engagements. It highlights the areas where the freelancer has most frequently contributed to planning, execution, and delivery of business outcomes.
Experienced in Research and Development (15.5 years), Information Technology (5 years), Business Intelligence (2 years), Product Development (2 years), and Logistics (1 year).
Skills
Programming Experience For 28 Years With Various Data Analysis Methods
Two-dimensional Image Processing (18 Years), Three-dimensional (10 Years)
Development Of Algorithms In Computational Geometry In All Projects
Statistical Optimization
Topological Analysis Of Point Clouds
Representation Of Spatial Environments Using Meshes
Visualization Of Volume Data
Programming Languages Used In Recent Years: Python (Numpy, Scipy, Pandas, Opencv, Keras)
Matlab, Octave, Idl, R, Mathematica, C++, Labview
Other Software: Blender, Uml, Latex, Origin, Pov-ray, Ms Office, Linux
Soft Matter, Pattern Formation In Nature, Transition Between Ordered And Disordered Systems
Particle Technology And Particle Visualization
Fluorescent Dyes, Handling Chemicals, Colloids
Lasers (Class 3b), Optical Instruments, High-speed Camera
External Control Of Measurement Devices, Computer Hardware, Vacuum Experiments
Guided Tours At Scientific Exhibitions
Experience With Image Processing (Since 2002)
Development Of Custom Algorithms In The Following Areas:
Two-dimensional And Three-dimensional Image Processing
Automated Capture And Analysis Of Image Sequences
Spline Interpolation Of Surfaces From Irregularly Spaced Data Points
Analysis Of Image Data Using Methods Of Computational Geometry
Further Processing Of Point Cloud Data
Object Detection Using Convolution, Hough Transform
Tracking Detected Objects In Image Sequences
Measurement Of Flow Fields Using Tracers In Liquids And Granular Materials
Morphological Image Operations
Metric Characterization Of Image Elements
Subpixel Operations, Detection With Subpixel Accuracy (±0.1 Pixel And Better)
Optimization Of Algorithms For Memory Usage And Cpu Time
Implementation Of Current Algorithms From The Literature
Development Of Improved Custom Detection Methods
Visualization Of Image Data Using False Color And Rendering
Creation Of Animations To Visualize Three-dimensional Data
Experience With Computed Tomography And Radioscopy
‘Small Animal In Vivo Scanner’, Nanospect/ct, Leibniz Institute For Neurobiology Magdeburg
Radioscopy System Gs 220, Sauerwein Gmbh, 32 Kev, Institute For Materials And Joining Technology, University Of Magdeburg
‘Ct Alpha Procon X-ray’, 160 Kev, Institute For Thermal Process Engineering, Nawitec, University Of Magdeburg
‘Phoenix Nanotom’, 180 Kev, Max Planck Institute For Dynamics And Self-organization Göttingen
‘Siemens Artis Zeego’, Experimental Factory Magdeburg
Experience With Labview (2008-2016)
Control Of Various Scientific Cameras (Labview Vision As Well As Firmware)
Control Of Stepper Motors
Reading Measurement Sensors
Coordination Of Multiple Components
Saving Measurement Data And Images
Interactive Control Of The Program Flow Via Measurement Data
Automated Multi-month Runtime With Human Remote Supervision
Optimization For Stability And Speed
Knowledge Of Labview Pitfalls
Largest Project: 8 Years
Experience With Scientific Cameras (2002-2016)
High-speed Cameras
Hisis 2002, Ksv Instruments Ltd
Kodak Ektapro 4540mx Imager
Shimadzu Prototype, On-chip Technology (Isis), 1 Million Images/s
Photron
Infrared Cameras
Infratec Image Ir 8300, High-speed
Itema Thv 900
Other Cameras
Sony Xcd U100
Kodak Megaplus 6.3i
Hamamatsu C9300-201
Basler A302b
Control
Labview, C++
Usb, Firewire, Ethernet
Triggering: Software And External
Accessories
Optical Filters
Uniform Lighting
Fluorescent Dyes
Laser
Languages
Education
Otto von Guericke University Magdeburg
Dr. rer. nat., Physics · Physics · Magdeburg, Germany
Otto von Guericke University Magdeburg
Diploma in Physics and Intermediate Examination in Philosophy · Physics and Philosophy · Magdeburg, Germany
Gymnasium am Markt
Abitur · Hettstedt, Germany
Certifications & licenses
Deep Learning
Nikolaos Fostiropoulos Certified Training Provider
Statistics
Nikolaos Fostiropoulos Certified Training Provider
Machine Learning
Nikolaos Fostiropoulos Certified Training Provider
Profile
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