Search Results for author: Hugues van Assel

Found 4 papers, 0 papers with code

Interpolating between Clustering and Dimensionality Reduction with Gromov-Wasserstein

no code implementations5 Oct 2023 Hugues van Assel, Cédric Vincent-Cuaz, Titouan Vayer, Rémi Flamary, Nicolas Courty

We present a versatile adaptation of existing dimensionality reduction (DR) objectives, enabling the simultaneous reduction of both sample and feature sizes.

Clustering Dimensionality Reduction

Optimal Transport with Adaptive Regularisation

no code implementations4 Oct 2023 Hugues van Assel, Titouan Vayer, Remi Flamary, Nicolas Courty

Regularising the primal formulation of optimal transport (OT) with a strictly convex term leads to enhanced numerical complexity and a denser transport plan.

Domain Adaptation

A Probabilistic Graph Coupling View of Dimension Reduction

no code implementations31 Jan 2022 Hugues van Assel, Thibault Espinasse, Julien Chiquet, Franck Picard

Most popular dimension reduction (DR) methods like t-SNE and UMAP are based on minimizing a cost between input and latent pairwise similarities.

Dimensionality Reduction

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