M.Sc.

Stephan Naunheim

Research Scientist

 137
 +49 241 80 22906
 Stephan.Naunheim@lfb.rwth-aachen.de



Curriculum Vitae

Dez 2021 – heute Wissenschaftlicher Mitarbeiter, Lehr- und Forschungsgebiet für Physik der molekularen Bildgebungssysteme, RWTH Aachen University
Okt 2019 – Nov 2021 M.Sc. Physik, RWTH Aachen University (Spezialisierung: Exp. Teilchenphysik, Machine Learning, Med. Bildgebung)
Okt 2016 – Okt 2019 B.Sc. Physik, RWTH Aachen University

Ehrungen und Auszeichnungen

Nov 2023 IEEE NPSS Christopher J. Thompson Student Paper Award

 


Forschungsfelder

  • Physics-informed Machine Learning
  • Explainable AI
  • TOF-PET

Publikationen

 

Journal Publications

 
2024

Yannick Kuhl, Florian Mueller, Julian Thull, Stephan Naunheim, David Schug and Volkmar Schulz
3D in-system calibration method for PET detectors
In: Medical Physics

2024

Naunheim, Stephan, Mueller, Florian, Nadig, Vanessa, Kuhl, Yannick, Breuer, Johannes, Zhang, Nan, Cho, Sanghee, Kapusta, Maciej, Mintzer, Robert, Judenhofer, Martin and Schulz, Volkmar
Holistic Evaluation of a Machine Learning-based Timing Calibration for PET Detectors under Varying Data Sparsity
In: Physics in Medicine & Biology

2023

Naunheim, Stephan, Kuhl, Yannick, Schug, David, Schulz, Volkmar and Mueller, Florian
Improving the Timing Resolution of Positron Emission Tomography Detectors Using Boosted Learning—A Residual Physics Approach
In: IEEE Transactions on Neural Networks and Learning Systems

2022

Naunheim, Stephan, Kuhl, Yannick, Solf, Torsten, Schug, David, Schulz, Volkmar and Mueller, Florian
Analysis of a convex time skew calibration for light sharing-based PET detectors
In: Physics in Medicine & Biology

Conference Publications

2024

Lavronenko, K., Paiva, L. Lopes de, Mueller, F., Schulz, V. and Naunheim, S.
Towards artificial data generation for accelerated PET detector ML-based timing calibration using GANs
In: 2024 IEEE Nuclear Science Symposium (NSS), Medical Imaging Conference (MIC) and Room Temperature Semiconductor Detector Conference (RTSD)

 
2023

Bovelett, Matthias, Kuhl, Yannick, Naunheim, Stephan, Schug, David, Schulz, Volkmar and Mueller, Florian
Implementation and Evaluation of a 3D-dependend Energy-calibration algorithm
In: IEEE NSS MIC 2023

 
2022

Naunheim, Stephan, Kuhl, Yannick, Weissler, Bjoern, Schug, David, Radermacher, Harald, Mueller, Florian, Nadig, Vanessa, Yin, Laiyin, Krueger, Karl, Peters, Max, Gebhardt, Pierre, Groß-Weege, Nicolas, Nolte, Teresa, Gegenmantel, Eike, Borgo, Martino, van der Berghe, J, Gareis, D, Celik, T, Aussenhofer, Sebastian, Salomon, Andre, Schaart, Dennis R, Bakker, René, J, Langen K, Kuhl, Christiane and Schulz, Volkmar
The HYPMED PET/MRI Insert for Enhanced Diagnosis of Breast Cancer
In: PSMR 2022 Elba

 
2022

Naunheim, Stephan, Kuhl, Yannick, Weissler, Bjoern, Schug, David, Radermacher, Harald, Mueller, Florian, Nadig, Vanessa, Yin, Laiyin, Krueger, Karl, Peters, Max, Gebhardt, Pierre, Groß-Weege, Nicolas, Nolte, Teresa, Gegenmantel, Eike, Borgo, Martino, van der Berghe, J, Gareis, D, Celik, T, Aussenhofer, Sebastian, Salomon, Andre, Schaart, Dennis R, Bakker, René, J, Langen K, Kuhl, Christiane and Schulz, Volkmar
Enhanced Diagnosis of Breast Cancer With The HYPMED PET/MRI Insert
In: IEEE NSS MIC 2022

 
2021

Naunheim, Stephan, Solf, Torsten, Kuhl, Yannick, Schug, David, Schulz, Volkmar and Mueller, Florian
Exploring Timing Resolution Limits of Cost-Effective DOI-capable Semi-Monolithic Detectors for Total-Body PET
In: Total-Body PET Conference


Lehre

Betreute Abschlussarbeiten:

  • Luis Lopes de Paiva, “Accelerating a Residual Physics-based Timing Calibration for Positron Emission Tomography Detectors – Analysis of Different Spatial Sampling Strategies”, Bachelor Thesis
  • Thilo Masbaum, “Initial Simulation Studies on the Usage of Plastic Scintillators as Radiation Detectors for Positron Emission Tomography”, Bachelor Thesis
  • Moritz Rautenberg, “Initial Monte-Carlo Simulations in GATE for a PET-Scanner Featuring an Integrated Local Detector”, Bachelor Thesis
  • Timm Vordermark, “A Machine Learning-Driven Timing Calibration for PET Detectors: Analysis of Feature Engineering and Statistical Sampling Effects”, Bachelor Thesis
  • Jana Hermes, “Impact of Different In-Plane Source Distributions on a Residual Physics-based Timing Calibration of Positron Emission Tomography Detectors”, Bachelor Thesis
  • Niclas Marschall, “Analysis of Positron Emission Tomography Detector Waveforms using Machine Learning for Depth of Interaction-based Time of Flight Corrections”, Bachelor Thesis
  • Kostiantyn Lavronenko, “Deep Neural Network-based Data Generation for Improved Coincidence Timing Resolution in TOF-PET”, Master Thesis