Spherical optimal transportation

L Cui, X Qi, C Wen, N Lei, X Li, M Zhang, X Gu - Computer-Aided Design, 2019 - Elsevier
… the optimal transportation map on the sphere. Constructing with a variational principle approach,
our spherical OT … energy minimization problem and building a spherical power diagram. …

A convergence framework for optimal transport on the sphere

BF Hamfeldt, AGR Turnquist - Numerische Mathematik, 2022 - Springer
… We consider the problem of optimal transportation on the sphere. That is, given two prescribed
density functions \(f_1\) and \(f_2\), we seek a mapping \(T:{\mathbb {S}}^{2}\rightarrow {\…

Sliced optimal transport on the sphere

M Quellmalz, R Beinert, G Steidl - Inverse Problems, 2023 - iopscience.iop.org
… More precisely, sliced optimal transport is the concatenation of the well-… transport
problems. Inspired by this concept, we propose two adaptions for optimal transport on the 2-sphere. …

Linear spherical sliced optimal transport: A fast metric for comparing spherical data

X Liu, Y Bai, RD Martín, K Shi, A Shahbazi… - arXiv preprint arXiv …, 2024 - arxiv.org
… where the L2 distance approximates the optimal transport distance, thereby simplifying …
Spherical Sliced Optimal Transport (LSSOT) framework, which utilizes slicing to embed spherical

Regularity of optimal transport on compact, locally nearly spherical, manifolds

P Delanoë, Y Ge - Journal für die reine und angewandte …, 2010 - univ-cotedazur.hal.science
… manifold M, we look for a smooth optimal transportation map G, pushing one measure to
the … –Wang enabled Loeper to treat the standard sphere case by overcoming two difficulties, …

Using optimal transport to improve spherical harmonic quantification of complex biological shapes

Z Wang, W Yang, K Ryan, S Garai… - 2022 IEEE …, 2022 - ieeexplore.ieee.org
… using spherical harmonics. … that optimal transport will improve existing algorithms by using
the energy of the shapes to be quantified to determine the most efficient derivation of spherical

Bayesian sphere-on-sphere regression with optimal transport maps

TLJ Ng, KK Kwong, J Liu… - arXiv preprint arXiv …, 2025 - arxiv.org
spherical regression as a problem of optimal transport within … for directly parameterizing a
spherical regression map, and … stability of optimal transport maps on the sphere, one that may …

The geometry of optimal transportation

W Gangbo, RJ McCann - 1996 - projecteuclid.org
… to the transportation problem by other authors. The connection of c-concavity with mass
transport … include reflection through a sphere or through a plane (for details refer to Appendix B): …

Hyper-spherical Optimal Transport for Semantic Alignment in Text-to-3D End-to-end Generation

Z Li, W Wang, Y Zhao, W Li, N Lei… - IEEE Transactions on …, 2025 - ieeexplore.ieee.org
… SOT learns to optimally transport features to align them and … features as illustrated in the
upper sphere in Fig. 1. This … efficiency, we consider introducing optimal transport (OT) to align …

Regularity for the optimal transportation problem with Euclidean distance squared cost on the embedded sphere

J Kitagawa, M Warren - SIAM Journal on Mathematical Analysis, 2012 - SIAM
… The above optimal transportation problem is a formulation of a … is equivalent to an optimal
transportation problem formulated … The optimal transportation problem dealt with in this paper …