Computational optimal transport: With applications to data science

G Peyré, M Cuturi - Foundations and Trends® in Machine …, 2019 - nowpublishers.com
Optimal transport (OT) theory can be informally described using the words of the French
mathematician Gaspard Monge (1746–1818): A worker with a shovel in hand has to move a …

Unbalanced optimal transport, from theory to numerics

T Séjourné, G Peyré, FX Vialard - Handbook of Numerical Analysis, 2023 - Elsevier
Optimal Transport (OT) has recently emerged as a central tool in data sciences to compare
in a geometrically faithful way point clouds and more generally probability distributions. The …

Equivariant flow matching

L Klein, A Krämer, F Noé - Advances in Neural Information …, 2024 - proceedings.neurips.cc
Normalizing flows are a class of deep generative models that are especially interesting for
modeling probability distributions in physics, where the exact likelihood of flows allows …

Unsupervised alignment of embeddings with wasserstein procrustes

E Grave, A Joulin, Q Berthet - The 22nd International …, 2019 - proceedings.mlr.press
We consider the task of aligning two sets of points in high dimension, which has many
applications in natural language processing and computer vision. As an example, it was …

Relative representations enable zero-shot latent space communication

L Moschella, V Maiorca, M Fumero, A Norelli… - arxiv preprint arxiv …, 2022 - arxiv.org
Neural networks embed the geometric structure of a data manifold lying in a high-
dimensional space into latent representations. Ideally, the distribution of the data points in …

Explainable legal case matching via inverse optimal transport-based rationale extraction

W Yu, Z Sun, J Xu, Z Dong, X Chen, H Xu… - Proceedings of the 45th …, 2022 - dl.acm.org
As an essential operation of legal retrieval, legal case matching plays a central role in
intelligent legal systems. This task has a high demand on the explainability of matching …

The unbalanced gromov wasserstein distance: Conic formulation and relaxation

T Séjourné, FX Vialard, G Peyré - Advances in Neural …, 2021 - proceedings.neurips.cc
Comparing metric measure spaces (ie a metric space endowed with a probability
distribution) is at the heart of many machine learning problems. The most popular distance …

Infoot: Information maximizing optimal transport

CY Chuang, S Jegelka… - … on Machine Learning, 2023 - proceedings.mlr.press
Optimal transport aligns samples across distributions by minimizing the transportation cost
between them, eg, the geometric distances. Yet, it ignores coherence structure in the data …

Cross-domain imitation learning via optimal transport

A Fickinger, S Cohen, S Russell, B Amos - arxiv preprint arxiv:2110.03684, 2021 - arxiv.org
Cross-domain imitation learning studies how to leverage expert demonstrations of one
agent to train an imitation agent with a different embodiment or morphology. Comparing …

Pre-training for speech translation: Ctc meets optimal transport

PH Le, H Gong, C Wang, J Pino… - International …, 2023 - proceedings.mlr.press
The gap between speech and text modalities is a major challenge in speech-to-text
translation (ST). Different methods have been proposed to reduce this gap, but most of them …