Spherical sliced-wasserstein

C Bonet, P Berg, N Courty, F Septier, L Drumetz… - arXiv preprint arXiv …, 2022 - arxiv.org
Radon transform of a measure µ ∈ M(Rd) as the measuresliced-Wasserstein discrepancy
on the sphere and discuss some of its properties. Notably, we derive a new spherical Radon

Parallelly sliced optimal transport on spheres and on the rotation group

M Quellmalz, L Buecher, G Steidl - Journal of Mathematical Imaging and …, 2024 - Springer
… a new two-dimensional Radon transform and develop its … sliced OT from even measures
to arbitrary probability … with barycenters with respect to our new sliced Wasserstein distances …

Distributional sliced-Wasserstein and applications to generative modeling

K Nguyen, N Ho, T Pham, H Bui - arXiv preprint arXiv:2002.07367, 2020 - arxiv.org
… For any p ≥ 1, we define Pp(Rd) as the set of Borel probability measures with finite p-th …
) Radon transform maps, which are key to the notion of (generalized) sliced-Wasserstein

Augmented sliced Wasserstein distances

X Chen, Y Yang, Y Li - arXiv preprint arXiv:2006.08812, 2020 - arxiv.org
… If µ and ν are continuous one-dimensional measures defined … spatial Radon transformwhich
includes the Radon transform … color transferring and Wasserstein barycenters. What remains …

Hierarchical sliced wasserstein distance

K Nguyen, T Ren, H Nguyen, L Rout, T Nguyen… - arXiv preprint arXiv …, 2022 - arxiv.org
… Transform (HRT) which is constructed by applying Radon … between measures, named
Hierarchical Sliced Wasserstein (HSW… the Radon Transform, we can define the sliced Wasserstein

Tree-Sliced Wasserstein Distance on a System of Lines

VH Tran, T Pham, T Tran, T Le, TM Nguyen - arXiv preprint arXiv …, 2024 - arxiv.org
… In TSW-SL, we use a variant of the Radon Transform to project measures onto a system
of lines, resulting in measures on a space with a tree metric, then leverage TW to efficiently …

Stereographic Spherical Sliced Wasserstein Distances

H Tran, Y Bai, A Kothapalli, A Shahbazi… - … on Machine Learning, 2024 - openreview.net
… spherical measures using the stereographic projection and the generalized Radon transform,
… This section will review the classic Radon transform in the general Radon measure setting. …

Sliced optimal transport on the sphere

M Quellmalz, R Beinert, G Steidl - Inverse Problems, 2023 - iopscience.iop.org
… the Radon transform, we introduce the vertical slice transform, … for all measures, and hence
the sliced Wasserstein distance … First, we show in section 7.1 that Wasserstein barycenters on …

Marginal Fairness Sliced Wasserstein Barycenter

K Nguyen, H Nguyen, N Ho - arXiv preprint arXiv:2405.07482, 2024 - arxiv.org
… of probability measures. In particular, a Wasserstein barycenter is a probability measure that
… Due to the rich geometry of the Wasserstein distance [38], the Wasserstein barycenter can …

Inside and around Wasserstein barycenters

A Kroshnin - 2021 - theses.hal.science
measures we prove the central limit theorem and concentration results for empirical Wasserstein
barycenters. It … classes, and each of them is a Radon space (in particular, it is separable …