English
Related papers

Related papers: Energy-Based Sliced Wasserstein Distance

200 papers

We study nonparametric density estimation problems where error is measured in the Wasserstein distance, a metric on probability distributions popular in many areas of statistics and machine learning. We give the first minimax-optimal rates…

Statistics Theory · Mathematics 2020-04-30 Jonathan Niles-Weed , Quentin Berthet

Distance measures between graphs are important primitives for a variety of learning tasks. In this work, we describe an unsupervised, optimal transport based approach to define a distance between graphs. Our idea is to derive…

Computational Engineering, Finance, and Science · Computer Science 2024-04-11 Michael Scholkemper , Damin Kühn , Gerion Nabbefeld , Simon Musall , Björn Kampa , Michael T. Schaub

Recently, a Wasserstein-type distance for Gaussian mixture models has been proposed. However, that framework can only be generalized to identifiable mixtures of general elliptically contoured distributions whose components come from the…

Optimization and Control · Mathematics 2025-03-19 Keyu Chen , Zetian Wang , Yunxin Zhang

This short note is on a property of the $\mathcal{W}_2$ Wasserstein distance which indicates that independent elliptical distributions minimize their $\mathcal{W}_2$ Wasserstein distance from given independent elliptical distributions with…

Statistics Theory · Mathematics 2020-12-08 Song Fang , Quanyan Zhu

This paper considers a security constrained dispatch problem involving generation and line contingencies in the presence of the renewable generation. The uncertainty due to renewables is modeled using joint chance-constraint and the…

Optimization and Control · Mathematics 2022-08-17 Amin Maghami , Evrim Ursavas , Ashish Cherukuri

Ranking distributions according to a stochastic order has wide applications in diverse areas. Although stochastic dominance has received much attention, convex order, particularly in general dimensions, has yet to be investigated from a…

Methodology · Statistics 2025-01-15 Jakwang Kim , Young-Heon Kim , Yuanlong Ruan , Andrew Warren

Scientific datasets often have hierarchical structure: for example, in surveys, individual participants (samples) might be grouped at a higher level (units) such as their geographical region. In these settings, the interest is often in…

Machine Learning · Computer Science 2024-06-06 Fynn Bachmann , Philipp Hennig , Dmitry Kobak

Sliced-Wasserstein Flow (SWF) is a promising approach to nonparametric generative modeling but has not been widely adopted due to its suboptimal generative quality and lack of conditional modeling capabilities. In this work, we make two…

Machine Learning · Computer Science 2023-07-26 Chao Du , Tianbo Li , Tianyu Pang , Shuicheng Yan , Min Lin

Scenario reduction techniques are widely applied for solving sophisticated dynamic and stochastic programs, especially in energy and power systems, but also used in probabilistic forecasting, clustering and estimating generative adversarial…

Machine Learning · Statistics 2021-07-07 Florian Ziel

Compared with word embedding based on point representation, distribution-based word embedding shows more flexibility in expressing uncertainty and therefore embeds richer semantic information when representing words. The Wasserstein…

Computation and Language · Computer Science 2018-09-05 Chi Sun , Hang Yan , Xipeng Qiu , Xuanjing Huang

Learning an effective representation of 3D point clouds requires a good metric to measure the discrepancy between two 3D point sets, which is non-trivial due to their irregularity. Most of the previous works resort to using the Chamfer…

Computer Vision and Pattern Recognition · Computer Science 2021-09-15 Trung Nguyen , Quang-Hieu Pham , Tam Le , Tung Pham , Nhat Ho , Binh-Son Hua

This paper focuses on the Wasserstein distributionally robust mean-lower semi-absolute deviation (DR-MLSAD) model, where the ambiguity set is a Wasserstein ball centered on the empirical distribution of the training sample. This model can…

Optimization and Control · Mathematics 2024-03-04 Weimi Zhou , Yong-Jin Liu

Discrepancy measures between probability distributions, often termed statistical distances, are ubiquitous in probability theory, statistics and machine learning. To combat the curse of dimensionality when estimating these distances from…

Statistics Theory · Mathematics 2021-12-21 Sloan Nietert , Ziv Goldfeld , Kengo Kato

This paper presents a distance-based discriminative framework for learning with probability distributions. Instead of using kernel mean embeddings or generalized radial basis kernels, we introduce embeddings based on dissimilarity of…

Machine Learning · Computer Science 2018-11-16 Alain Rakotomamonjy , Abraham Traoré , Maxime Berar , Rémi Flamary , Nicolas Courty

The quadratic Wasserstein metric has shown its power in measuring the difference between probability densities, which benefits optimization objective function with better convexity and is insensitive to data noise. Nevertheless, it is…

Numerical Analysis · Mathematics 2022-01-28 Zhengyang Li , Yijia Tang , Jing Chen , Hao Wu

When the likelihood is analytically unavailable and computationally intractable, approximate Bayesian computation (ABC) has emerged as a widely used methodology for approximate posterior inference; however, it suffers from severe…

Methodology · Statistics 2025-05-08 Wenhui Sophia Lu , Wing Hung Wong

Gaussian smoothed sliced Wasserstein distance has been recently introduced for comparing probability distributions, while preserving privacy on the data. It has been shown, in applications such as domain adaptation, to provide performances…

Machine Learning · Computer Science 2021-10-22 Alain Rakotomamonjy , Mokhtar Z. Alaya , Maxime Berar , Gilles Gasso

The optimal transport and Wasserstein barycenter of Gaussian distributions have been solved. In literature, the closed form formulas of the Monge map, the Wasserstein distance and the Wasserstein barycenter have been given. Moreover, when…

Optimization and Control · Mathematics 2025-04-22 Keyu Chen , Yunxin Zhang

We analyze the Wasserstein distance ($W$-distance) between two probability distributions associated with two multidimensional jump-diffusion processes. Specifically, we analyze a temporally decoupled squared $W_2$-distance, which provides…

Machine Learning · Statistics 2024-06-05 Mingtao Xia , Xiangting Li , Qijing Shen , Tom Chou

In this paper, we consider the problem of computing the integral of a function on the unit sphere, in any dimension, using Monte Carlo methods. Although the methods we present are general, our guiding thread is the sliced Wasserstein…

Machine Learning · Statistics 2026-03-11 Vladimir Petrovic , Rémi Bardenet , Agnès Desolneux