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The Gromov-Wasserstein (GW) distances define a family of metrics, based on ideas from optimal transport, which enable comparisons between probability measures defined on distinct metric spaces. They are particularly useful in areas such as…

The Gromov-Wasserstein (GW) distance has gained increasing interest in the machine learning community in recent years, as it allows for the comparison of measures in different metric spaces. To overcome the limitations imposed by the equal…

机器学习 · 计算机科学 2025-03-28 Yikun Bai , Rocio Diaz Martin , Abihith Kothapalli , Hengrong Du , Xinran Liu , Soheil Kolouri

The Gromov-Wasserstein (GW) distance quantifies discrepancy between metric measure spaces and provides a natural framework for aligning heterogeneous datasets. Alas, as exact computation of GW alignment is NP hard, entropic regularization…

最优化与控制 · 数学 2024-01-11 Gabriel Rioux , Ziv Goldfeld , Kengo Kato

Gromov--Wasserstein (GW) distances compare graphs, shapes, and point clouds through internal distances, without requiring a common coordinate system. This invariance is powerful, but discrete GW is a nonconvex quadratic optimal transport…

机器学习 · 计算机科学 2026-05-15 Ao Xu , Tieru Wu

Gromov-Wasserstein (GW) distances are combinations of Gromov-Hausdorff and Wasserstein distances that allow the comparison of two different metric measure spaces (mm-spaces). Due to their invariance under measure- and distance-preserving…

最优化与控制 · 数学 2023-07-14 Florian Beier , Robert Beinert , Gabriele Steidl

The Gromov-Wasserstein (GW) variant of optimal transport, designed to compare probability densities defined over distinct metric spaces, has emerged as an important tool for the analysis of data with complex structure, such as ensembles of…

机器学习 · 统计学 2025-08-15 Mary Chriselda Antony Oliver , Emmanuel Hartman , Tom Needham

A fundamental challenge in data science is to match disparate point sets with each other. While optimal transport efficiently minimizes point displacements under a bijectivity constraint, it is inherently sensitive to rotations. Conversely,…

计算几何 · 计算机科学 2026-04-17 Guillaume Houry , Jean Feydy , François-Xavier Vialard

Recently used in various machine learning contexts, the Gromov-Wasserstein distance (GW) allows for comparing distributions whose supports do not necessarily lie in the same metric space. However, this Optimal Transport (OT) distance…

机器学习 · 统计学 2022-10-21 Titouan Vayer , Rémi Flamary , Romain Tavenard , Laetitia Chapel , Nicolas Courty

The Gromov-Wasserstein (GW) distance is frequently used in machine learning to compare distributions across distinct metric spaces. Despite its utility, it remains computationally intensive, especially for large-scale problems. Recently, a…

机器学习 · 统计学 2024-10-01 Antoine Salmona , Julie Delon , Agnès Desolneux

The Gromov-Wasserstein (GW) framework adapts ideas from optimal transport to allow for the comparison of probability distributions defined on different metric spaces. Scalable computation of GW distances and associated matchings on graphs…

机器学习 · 计算机科学 2021-05-05 Samir Chowdhury , David Miller , Tom Needham

The Gromov-Wasserstein (GW) distance, rooted in optimal transport (OT) theory, quantifies dissimilarity between metric measure spaces and provides a framework for aligning heterogeneous datasets. While computational aspects of the GW…

统计理论 · 数学 2023-10-02 Zhengxin Zhang , Ziv Goldfeld , Youssef Mroueh , Bharath K. Sriperumbudur

The Gromov-Wasserstein (GW) distance is an effective measure of alignment between distributions supported on distinct ambient spaces. Calculating essentially the mutual departure from isometry, it has found vast usage in domain translation…

机器学习 · 统计学 2024-12-23 Anish Chakrabarty , Arkaprabha Basu , Swagatam Das

The Gromov-Wasserstein (GW) problem, a variant of the classical optimal transport (OT) problem, has attracted growing interest in the machine learning and data science communities due to its ability to quantify similarity between measures…

机器学习 · 计算机科学 2025-03-25 Yikun Bai , Abihith Kothapalli , Hengrong Du , Rocio Diaz Martin , Soheil Kolouri

The Gromov-Wasserstein (GW) distance is a powerful tool for comparing metric measure spaces which has found broad applications in data science and machine learning. Driven by the need to analyze datasets whose objects have increasingly…

度量几何 · 数学 2026-03-10 Martin Bauer , Facundo Mémoli , Tom Needham , Mao Nishino

Comparing structured data from possibly different metric-measure spaces is a fundamental task in machine learning, with applications in, e.g., graph classification. The Gromov-Wasserstein (GW) discrepancy formulates a coupling between the…

机器学习 · 计算机科学 2022-07-12 Hongwei Jin , Zishun Yu , Xinhua Zhang

The Gromov-Wasserstein (GW) distance is an extension of the optimal transport problem that allows one to match objects between incomparable spaces. At its core, the GW distance is specified as the solution of a non-convex quadratic program…

最优化与控制 · 数学 2024-10-17 Junyu Chen , Binh T. Nguyen , Shang Hui Koh , Yong Sheng Soh

The Gromov-Wasserstein (GW) problem is a variant of the classical optimal transport problem that allows one to compute meaningful transportation plans between incomparable spaces. At an intuitive level, it seeks plans that minimize the…

最优化与控制 · 数学 2026-04-07 Hoang Anh Tran , Binh Tuan Nguyen , Yong Sheng Soh

We propose a new approach for unsupervised alignment of heterogeneous datasets, which maps data from two different domains without any known correspondences to a common metric space. Our method is based on an unbalanced optimal transport…

机器学习 · 计算机科学 2025-05-14 Florian Beier , Moritz Piening , Robert Beinert , Gabriele Steidl

The Gromov-Wasserstein (GW) distance serves as a powerful tool for matching objects in metric spaces. However, its traditional formulation is constrained to pairwise matching between single objects, limiting its utility in scenarios and…

计算机视觉与模式识别 · 计算机科学 2026-05-14 Aryan Tajmir Riahi , Khanh Dao Duc

The Gromov-Wasserstein (GW) distance enables comparing metric measure spaces based solely on their internal structure, making it invariant to isomorphic transformations. This property is particularly useful for comparing datasets that…

统计理论 · 数学 2024-10-24 Gabriel Rioux , Ziv Goldfeld , Kengo Kato
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