Dr. Julien Vitay

Researcher in Artificial Intelligence / Machine Learning - Lead Data Scientist.

Education

  Habilitation in Computer Science 2017

\rightarrow Chemnitz University of Technology, Germany.

  Ph.D. in Computer Science 2006

\rightarrow Université Henri Poincaré Nancy-I, France.

  Engineering degree in Signal Processing and Microelectronics 2002

\rightarrow École Supérieure d’Électricité (Supélec), Rennes, France.

  Master of Science in Microelectronics 2002

\rightarrow Université Rennes-I, France.

Experience

  eOdyn - France 2025 - now

\rightarrow AI researcher and lead Data Scientist at eOdyn in Plouzané / Brest.

  • Nereus: short-term forecasting of ocean surface currents with generative deep learning (flow matching, U-Net, Swin Transformer, Fourier Neural Operators).
  • OSmose: data assimilation fitting AIS observations onto a physics-constrained multiscale generative model and an altimetric background.
  • Anomaly detection in AIS signals.
  • EU project AI4COPSEC.

  Chemnitz University of Technology - Germany 2011 - 2025

\rightarrow Researcher / lecturer in the faculty of Computer science, AI lab of Fred Hamker.

  • Research:
    • Neuroinformatics: neurosimulator ANNarchy.
    • Deep reinforcement learning.
    • Reservoir computing.
    • Computational neuroscience: basal ganglia, dopamine, hippocampus.
  • Teaching:
    • Neurocomputing / Machine Learning
    • Deep Reinforcement Learning
    • Computer Vision
    • Introduction to AI.
  • Erasmus+ departmental coordinator.

  WWU University of Münster - Germany 2006 - 2011

\rightarrow Postdoc in the Institute of Psychology, lab of Markus Lappe, supervisor Fred Hamker.

  • Research:
    • Computational neuroscience: basal ganglia.

  Inria Lorraine - France 2002 - 2006

\rightarrow PhD student in the Cortex team (LORIA Nancy), supervisors Frédéric Alexandre and Nicolas Rougier (now in Mnemosyne).

  • Research:
    • Computational neuroscience: basal ganglia, visual attention.
    • Robotics.
  • Teaching (at the University of Nancy-I):
    • Computer architecture, Java, AI.

Skills

  Programming languages: Python, C++, C, Java, Matlab, Julia

  Machine learning frameworks: pytorch, tensorflow / keras, scikit-learn, pandas, numpy, XGBoost, rllib, tianshou

  Deep learning: transformers, U-Net, Swin Transformer, Fourier Neural Operators, RNN / LSTM, deep RL

  Generative AI: flow matching, diffusion models, ollama

  Parallel computing: OpenMP, MPI, CUDA, SLURM clusters

  Tooling: linux, git, docker, mlflow, wandb

Third-party projects

Title: Security enhancement through heterogeneous data fusion and improved AI/ML-powered Copernicus maritime and border surveillance services.

Partners: Simula Research Laboratory (coordinator), eOdyn (technical coordinator), IMT Atlantique, SatCen, Università Politecnica delle Marche, Guardia Civil, Hozint, ITML, Aistech Space, Magellan Circle.

Role: Design of the surface current forecasting and data assimilation components.

Title: Counterfactual Assessment and Valuation for Awareness Architecture.

Partners: Radboud University, TU Chemnitz, CERTH, Sorbonne Université, Eodyne Systems, University of Sheffield, Robotnik Automation, University of Oxford, Uppsala University, tp21 GmbH.

Role: Research.

Title: Erforschung von KI Methoden zur Entwicklung eines interaktiven Gesundheitsassistenten auf Basis von Human in the Loop Machine Learning.

→ Research on AI methods for the development of an interactive health assistant based on human-in-the-loop machine learning.

Partners: Corant GmbH, TU Chemnitz.

Role: Design, co-supervision of Aida Farahani and Payam Atoofi.

Title: Wissensbasierte Anomalieerkennung mittels Künstlicher Intelligenz in Kritischen Infrastrukturen.

→ Knowledge-based anomaly detection using artificial intelligence in critical infrastructures.

Partners: TU Cottbus, TU Chemnitz, LEAG, RWE AG, STEAG GmbH, ASCORI GmbH, migosens GmbH, ZEDAS GmbH.

Role: Design, co-supervision of René Larisch.

Title: Maschinelles Lernen zur Prognose von Prozessparametern und Bauteilqualität in der automobilen Karosserieproduktion.

→ Machine learning for the prediction of process parameters and component quality in automotive body production.

Partners: Fraunhofer IWU Dresden, Scale GmbH, TU Chemnitz.

Role: Design, research, co-supervision of Aida Farahani and Payam Atoofi.

Title: Auto-tuning for neural simulations on different parallel hardware.

Partners: TU Chemnitz (Hamker).

Role: Design, co-supervision of Helge Dinkelbach.

Title: Sozial agierende, kognitive Systeme zur Feststellung von Hilfsbedürftigkeit.

→ Social, active and cognitive systems for the detection of helplessness

Partners: TU Chemnitz.

Role: Principal Investigator

Title: StayCentered - Methodenbasis eines Assistenzsystems für Centerlotsen - MACeLot.

→ Method base of an assistance system for center pilots

Partners: TU Chemnitz.

Role: Research.

Title: CrossWorlds: Kopplung virtueller und realer sozialer Welten

→ CrossWorlds: Coupling virtual and real social worlds.

Partners: TU Chemnitz.

Role: Principal investigator.

Title: The cognitive control of visual perception and action selection.

Partners: TU Chemnitz (Hamker).

Role: Research.

Title: A systems approach to modeling the cognitive guidance of attention and object/category recognition.

Partners: TU Chemnitz (Hamker).

Role: Research (employed).

Title: Biomimetic Multimodal Learning in a Mirror Neuron-based Robot.

Partners: Sunderland, Inria, Parma, Cambridge, Ulm.

Role: Research (employed).