CV

Basics

Name Louis Berthier
Label PhD Candidate in Applied Mathematics and Machine Learning
Email louis.berthier@polytechnique.edu
Phone +33 6 47 53 53 57
Url https://LouisTier.github.io/

Work

  • 2025.08 - NOW
    Computer Vision Scientist
    Augmodo
    Improving open world computer vision pipelines for real-world deployments in retail.
    • Mainly collaborating with Sacha Hu, Senior Computer Vision Scientist.
    • Developing uncertainty-aware computer vision models to improve accuracy and robustness in real-world deployments.
    • Collaborating on end-to-end pipeline development to handle millions of images per day.
  • 2024.03 - NOW
    Research Engineer (PhD Contract)
    Michelin
    Developing conformal and adaptive soft sensors for real-time quality prediction in multistage industrial processes.
    • Supervised by Dr. Sylvain Desroziers, Dr. Maxime Moreaud, and Guillaume Ramelet.
    • Developed torchsom , a reference PyTorch library for Self-Organizing Maps.
    • Designing and implementing online strategies for online quality monitoring.
    • Building uncertainty quantification methods, conformal prediction-based, applied to online and realt-time settings.
  • 2023.04 - 2023.09
    Research Assistant (ML & Optimization)
    Adaptive & Intelligent Robotics Lab (AIRL)
    Model-based uncertainty quantification for quality-diversity optimization in robotic environments.
    • Supervised by Pr. Antoine Cully.
    • Improved data efficiency and noise robustness of MAP-Elites by incorporating a probabilistic model-based approach.
    • Developed new metrics for assessing uncertainty quantification in quality-diversity algorithms and non-deterministic environments.
  • 2022.05 - 2022.08
    Research Intern (ML & Neuroscience)
    Centre National de la Recherche Scientifique (CNRS)
    Detection of pathological oscillations in epilepsy using signal processing and convolutional neural networks.
    • Supervised by Dr. Ludovic Gardy, Pr. Christophe Hurter, and Pr. Emmanuel Barbeau.
    • Accelerated signal and image processing pipelines by 15% through Cython optimization for faster analysis of pathological oscillations in epilepsy.
    • Engineered 7 NoSQL databases to manage and analyze large-scale EEG data at both macro and micro scales, improving data accessibility and query performance.
    • Enhanced classification model performance by 5% through systematic fine-tuning and hyperparameter optimization.
    • Leveraged Grad-CAM to improve model explainability, ensuring predictions aligned with underlying neurophysiological biomarkers.
  • 2022.01 - 2022.04
    Research Assistant (ML & CV)
    EuroMoov Digital Health in Motion (DHM)
    Design of an image filter for narrow contour detection and multi-scale adaptation using machine learning.
    • Supervised by Pr. Baptiste Magnier and Pr. Binbin Xu.
    • Developed a novel 2D filter for detecting adjacent and multi-scale ridges in images, leading to a publication in IEEE ICASSP 2023.
    • Implemented and benchmarked state-of-the-art edge detection models (e.g., DexiNed, RCF) as part of a comparative analysis for contour detection.

Education

Skills

Programming & Scripting
Python, Cython
SQL, NoSQL
LaTeX, Markdown
Bash, Shell
ML/DL Frameworks
PyTorch, JAX, TensorFlow
Scikit-learn
OpenCV, PIL
Scientific Computing & Data
NumPy, Pandas, Polars
SciPy, Matplotlib, Seaborn
Streamlit
MLOps & DevOps
Git, GitHub/GitLab CI/CD
Docker, Singularity
Kubernetes
Azure ML, SkyPilot
Monitoring & Development Tools
Weights & Biases
Pytest, Unittest
Grafana
High-Performance Computing
Triton
SLURM
Faiss

References

Sacha Hu
name at augmodo dot com
Senior Computer Vision Scientist at Augmodo.
Co-supervised my research on open world computer vision pipelines for real-world deployments in retail.
Pr. Eric Moulines
name dot surname at polytechnique dot edu
Professor at École Polytechnique and MBZUAI.
Member of the French Academy of Sciences.
Co-supervised my PhD thesis on conformal and adaptive soft sensors for real-time quality prediction in multistage industrial processes.
Dr. Ahmed Shokry
name dot surname at polytechnique dot edu
Senior Research Engineer at École Polytechnique.
Co-supervised my PhD thesis on conformal and adaptive soft sensors for real-time quality prediction in multistage industrial processes.
Dr. Sylvain Desroziers
name dot surname at michelin dot com
Manager of the Michelin I4.0 Explore team, and Fellow AI at Michelin.
Co-supervised my PhD thesis on conformal and adaptive soft sensors for real-time quality prediction in multistage industrial processes.
Dr. Maxime Moreaud
name dot surname at michelin dot com
Principal Data Scientist at Michelin.
Co-supervised my PhD thesis on conformal and adaptive soft sensors for real-time quality prediction in multistage industrial processes.
Pr. Antoine Cully
a dot surname at imperial dot ac dot uk
Professor at Imperial College London, and Director of the Adaptive & Intelligent Robotics Lab (AIRL).
Supervised my independent research project and my MSc research internship on quality-diversity optimization.
Dr. Ludovic Gardy
name dot g at sotisai dot com
Senior Data Scientist (Freelance), previously Research Engineer at CNRS.
Co-supervised my MSc research internship on ML-based pathological oscillations detection in epilepsy.

Awards

Volunteer

  • 2021.04 - 2022.04

    Alès, France

    Vice President
    EmaVisual (Photography & Video Association)
    • Led a team of 10 photographers to cover 25 university events.
    • Edited and produced multiple videos and over 10,000 photos.
  • 2021.02 - 2022.04

    Alès, France

    Vice President
    Bureau des Sports (Sports Association)
    • Led a 25-person team to manage 5 tournaments and oversee 20 sports
    • Secured partnerships with major brands, including Armor Lux and Tony Parker.
    • Managed the association’s website and IT infrastructure.
  • 2020.10 - 2021.10

    Alès, France

    Tsikyst Volunteer
    Tsiky Zanaka (Humanitarian Association)
    • Raised over €3500 to fund and support solidarity projects in Madagascar.
    • Organized and participated in fundraising events, including cooking for 300 students.
  • 2020.10 - 2023.11

    FR & UK

    Handball Player
    University
    • Achieved 3rd place in the highest national university league (BUCS, UK).
    • Achieved 4th place in the highest national university league (FFSU, France).
    • Winner of the 49th Challenge Centrale Lyon
    • Winner of the 19th TRAMS
  • 2020.09 - 2020.10

    Alès, France

    Logistics Volunteer
    Trophée Orlandini (Rugby Tournament Association)
    • Prepared event logistics and setup for a multi-school rugby tournament.
  • 2020.09 - 2021.09

    Alès, France

    Disc Jockey
    EmaMix (DJs Association)
    • Provided music and technical support for student events and gatherings.
  • 2019 - 2020

    Toulouse, France

    Contestant
    Modelling Contest | Socute Models
    • Twice finalist in a male modelling contest.

Languages

French
Native
English
Fluent
Spanish
Professional

Interests

Machine Learning Research
Uncertainty Quantification
Diffusion Models
Explainability
Unsupervised Learning
Multimodal AI
Entrepreneurship & Finance
Investments
Building & Shipping
Podcasts
Creator Economy
Sports
NBA
MMA
Musculation
Natation
E-sport
Rugby
Handball