activity
20212023
most citedImproving and generalizing flow-based generative models with minibatch optimal transport

34 citations · 76 across the 9 of their papers we have counts for

collaborators

9 papers

cs.LG2023★ 6 cited

Simulation-free Schrödinger bridges via score and flow matching

Alexander Tong, Nikolay Malkin, Kilian Fatras +5

We present simulation-free score and flow matching ([SF]M), a simulation-free objective for inferring stochastic dynamics given unpaired samples drawn from arbitrary source and…

cs.LG2023

Graph Fourier MMD for Signals on Graphs

Samuel Leone, Aarthi Venkat, Guillaume Huguet +3

While numerous methods have been proposed for computing distances between probability distributions in Euclidean space, relatively little attention has been given to computing such…

cs.LG2023★ 4 cited

A Heat Diffusion Perspective on Geodesic Preserving Dimensionality Reduction

Guillaume Huguet, Alexander Tong, Edward De Brouwer +4

Diffusion-based manifold learning methods have proven useful in representation learning and dimensionality reduction of modern high dimensional, high throughput, noisy datasets. Su…

cs.LG2023★ 34 cited

Improving and generalizing flow-based generative models with minibatch optimal transport

Alexander Tong, Kilian Fatras, Nikolay Malkin +5

Continuous normalizing flows (CNFs) are an attractive generative modeling technique, but they have been held back by limitations in their simulation-based maximum likelihood traini…

cs.LG2022★ 1 cited

Geodesic Sinkhorn for Fast and Accurate Optimal Transport on Manifolds

Guillaume Huguet, Alexander Tong, María Ramos Zapatero +3

Efficient computation of optimal transport distance between distributions is of growing importance in data science. Sinkhorn-based methods are currently the state-of-the-art for su…

cs.LG2022★ 19 cited

Manifold Interpolating Optimal-Transport Flows for Trajectory Inference

Guillaume Huguet, D. S. Magruder, Alexander Tong +4

We present a method called Manifold Interpolating Optimal-Transport Flow (MIOFlow) that learns stochastic, continuous population dynamics from static snapshot samples taken at spor…

cs.LG2022

Time-inhomogeneous diffusion geometry and topology

Guillaume Huguet, Alexander Tong, Bastian Rieck +5

Diffusion condensation is a dynamic process that yields a sequence of multiscale data representations that aim to encode meaningful abstractions. It has proven effective for manifo…

cs.LG2021★ 2 cited

Embedding Signals on Knowledge Graphs with Unbalanced Diffusion Earth Mover's Distance

Alexander Tong, Guillaume Huguet, Dennis Shung +5

In modern relational machine learning it is common to encounter large graphs that arise via interactions or similarities between observations in many domains. Further, in many case…

cs.LG2021★ 10 cited

Diffusion Earth Mover's Distance and Distribution Embeddings

Alexander Tong, Guillaume Huguet, Amine Natik +5

We propose a new fast method of measuring distances between large numbers of related high dimensional datasets called the Diffusion Earth Mover's Distance (EMD). We model the datas…