Hugues Van Assel

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My primary research interests are in representation learning, self-supervised learning and dimensionality reduction. I develop computational methods that leverage optimal transport and probabilistic modeling to compute meaningful and robust data representations suitable for real-world applications. I am especially interested in applying these methods to tackle challenges in cell biology.

I am a strong advocate for open and accessible science through projects such as:

  • TorchDR : a modular, GPU-friendly toolbox for dimensionality reduction (DR) that offers a unified interface for state-of-the-art DR methods.
  • stable-ssl : a library offering essential boilerplate code for a wide range of self-supervised learning tasks.

While finalizing my PhD thesis in the math department of ENS Lyon, I am currently a visiting research fellow at Brown University working with Randall Balestriero. Prior to my PhD, I was a student at Ecole polytechnique and MVA master (CV).


Publications


  • A Graph Matching Approach to Balanced Data Sub-Sampling for Self-Supervised Learning
    Hugues Van Assel, Randall Balestriero
    NeurIPS 2024, Self-Supervised Learning Workshop
    PDF (workshop), Poster (workshop)

  • Distributional Reduction: Unifying Dimensionality Reduction and Clustering with Gromov-Wasserstein
    Hugues Van Assel, Cédric Vincent-Cuaz, Nicolas Courty, Rémi Flamary, Pascal Frossard, Titouan Vayer
    NeurIPS 2023, Optimal Transport for Machine Learning Workshop
    PDF (long version), PDF (workshop), Poster (workshop)

  • Optimal Transport with Adaptive Regularisation
    Hugues Van Assel, Titouan Vayer, Rémi Flamary, Nicolas Courty
    NeurIPS 2023, Optimal Transport for Machine Learning Workshop
    PDF, Poster

  • SNEkhorn: Dimension Reduction with Symmetric Entropic Affinities
    Hugues Van Assel, Titouan Vayer, Rémi Flamary, Nicolas Courty
    NeurIPS 2023
    PDF, Poster

  • A Probabilistic Graph Coupling View of Dimension Reduction
    Hugues Van Assel, Thibault Espinasse, Julien Chiquet, Franck Picard
    NeurIPS 2022
    PDF, Poster