[HTML][HTML] Unbalanced optimal transport: Dynamic and Kantorovich formulations

L Chizat, G Peyré, B Schmitzer, FX Vialard - Journal of Functional Analysis, 2018 - Elsevier
This article presents a new class of distances between arbitrary nonnegative Radon
measures inspired by optimal transport. These distances are defined by two equivalent …

An interpolating distance between optimal transport and Fisher–Rao metrics

L Chizat, G Peyré, B Schmitzer, FX Vialard - Foundations of Computational …, 2018 - Springer
This paper defines a new transport metric over the space of nonnegative measures. This
metric interpolates between the quadratic Wasserstein and the Fisher–Rao metrics and …

Optimal transport: discretization and algorithms

Q Merigot, B Thibert - Handbook of numerical analysis, 2021 - Elsevier
This chapter describes techniques for the numerical resolution of optimal transport
problems. We will consider several discretizations of these problems, and we will put a …

Optimal transport for image processing

N Papadakis - 2015 - hal.science
Optimal Transport is a well developed mathematical theory that defines robust metrics
between probability distributions. The computation of optimal displacements between …

Geometry of graph partitions via optimal transport

T Abrishami, N Guillen, P Rule, Z Schutzman… - SIAM Journal on …, 2020 - SIAM
We define a distance metric between partitions of a graph using machinery from optimal
transport. Our metric is built from a linear assignment problem that matches partition …

Unbalanced regularized optimal mass transport with applications to fluid flows in the brain

X Chen, H Benveniste, AR Tannenbaum - Scientific Reports, 2024 - nature.com
As a generalization of the optimal mass transport (OMT) approach of Benamou and
Brenier's, the regularized optimal mass transport (rOMT) formulates a transport problem from …

Convex histogram-based joint image segmentation with regularized optimal transport cost

N Papadakis, J Rabin - Journal of Mathematical Imaging and Vision, 2017 - Springer
We investigate in this work a versatile convex framework for multiple image segmentation,
relying on the regularized optimal mass transport theory. In this setting, several transport …

On the convergence of discrete dynamic unbalanced transport models

B Li, J Zou - arXiv preprint arXiv:2310.09420, 2023 - esaim-m2an.org
A generalized unbalanced optimal transport distance WBΛ on matrix-valued measures M (Ω,
Sn+) was defined in [44]a la Benamou-Brenier, which extends the Kantorovich-Bures and …

An optimal transport approach for solving dynamic inverse problems in spaces of measures

K Bredies, S Fanzon - ESAIM: Mathematical Modelling and …, 2020 - esaim-m2an.org
In this paper we propose and study a novel optimal transport based regularization of linear
dynamic inverse problems. The considered inverse problems aim at recovering a measure …

Bioinspired swimming simulations

M Bergmann, A Iollo - Journal of Computational Physics, 2016 - Elsevier
We present a method to simulate the flow past bioinspired swimmers starting from pictures of
an actual fish. The overall approach requires i) a skeleton graph generation to get a level-set …