中文
相关论文

相关论文: Efficient Robust Optimal Transport with Applicatio…

200 篇论文

Optimal transport (OT) has become a widely used tool in the machine learning field to measure the discrepancy between probability distributions. For instance, OT is a popular loss function that quantifies the discrepancy between an…

机器学习 · 计算机科学 2022-12-27 Shintaro Nakamura , Han Bao , Masashi Sugiyama

This paper addresses the problem of Unbalanced Optimal Transport (UOT) in which the marginal conditions are relaxed (using weighted penalties in lieu of equality) and no additional regularization is enforced on the OT plan. In this context,…

最优化与控制 · 数学 2021-06-09 Laetitia Chapel , Rémi Flamary , Haoran Wu , Cédric Févotte , Gilles Gasso

Optimal transport (OT) has become exceedingly popular in machine learning, data science, and computer vision. The core assumption in the OT problem is the equal total amount of mass in source and target measures, which limits its…

机器学习 · 计算机科学 2023-08-08 Yikun Bai , Berhnard Schmitzer , Mathew Thorpe , Soheil Kolouri

We present a novel framework for solving optimal transport (OT) problems based on the Hamilton--Jacobi (HJ) equation, whose viscosity solution uniquely characterizes the OT map. By leveraging the method of characteristics, we derive…

机器学习 · 计算机科学 2025-10-02 Yesom Park , Shu Liu , Mo Zhou , Stanley Osher

Optimal Transport (OT) offers a powerful framework for finding correspondences between distributions and addressing matching and alignment problems in various areas of computer vision, including shape analysis, image generation, and…

计算机视觉与模式识别 · 计算机科学 2026-05-27 Xinran Liu , Elaheh Akbari , Rocio Diaz Martin , Navid NaderiAlizadeh , Soheil Kolouri

Learning to align multiple datasets is an important problem with many applications, and it is especially useful when we need to integrate multiple experiments or correct for confounding. Optimal transport (OT) is a principled approach to…

机器学习 · 计算机科学 2021-08-03 Ruishan Liu , Akshay Balsubramani , James Zou

Given samples from two joint distributions, we consider the problem of Optimal Transportation (OT) between them when conditioned on a common variable. We focus on the general setting where the conditioned variable may be continuous, and the…

机器学习 · 计算机科学 2024-06-12 Piyushi Manupriya , Rachit Keerti Das , Sayantan Biswas , Saketha Nath Jagarlapudi

An efficient method for computing solutions to the Optimal Transportation (OT) problem with a wide class of cost functions is presented. The standard linear programming (LP) discretization of the continuous problem becomes intractible for…

数值分析 · 数学 2015-09-15 Adam M. Oberman , Yuanlong Ruan

Selecting input features of top relevance has become a popular method for building self-explaining models. In this work, we extend this selective rationalization approach to text matching, where the goal is to jointly select and align text…

机器学习 · 计算机科学 2020-05-28 Kyle Swanson , Lili Yu , Tao Lei

Comparing unpaired samples of a distribution or population taken at different points in time is a fundamental task in many application domains where measuring populations is destructive and cannot be done repeatedly on the same sample, such…

Optimal transport (OT) has gained popularity due to its various applications in fields such as machine learning, statistics, and signal processing. However, the balanced mass requirement limits its performance in practical problems. To…

机器学习 · 计算机科学 2024-04-24 Yikun Bai , Ivan Medri , Rocio Diaz Martin , Rana Muhammad Shahroz Khan , Soheil Kolouri

Semi-supervised learning has made remarkable strides by effectively utilizing a limited amount of labeled data while capitalizing on the abundant information present in unlabeled data. However, current algorithms often prioritize aligning…

计算机视觉与模式识别 · 计算机科学 2024-05-31 Zhiquan Tan , Kaipeng Zheng , Weiran Huang

The goal of optimal transport (OT) is to find optimal assignments or matchings between data sets which minimize the total cost for a given cost function. However, sometimes the cost function is unknown but we have access to (parts of) the…

最优化与控制 · 数学 2026-05-28 Alberto González-Sanz , Michel Groppe , Axel Munk

An Optimal Transport (OT)-based decentralized collaborative multi-robot exploration strategy is proposed in this paper. This method is to achieve an efficient exploration with a predefined priority in the given domain. In this context, the…

系统与控制 · 电气工程与系统科学 2020-10-01 Rabiul Hasan Kabir , Kooktae Lee

In the dynamic and uncertain environments where reinforcement learning (RL) operates, risk management becomes a crucial factor in ensuring reliable decision-making. Traditional RL approaches, while effective in reward optimization, often…

机器学习 · 计算机科学 2023-09-13 Ali Baheri

Optimal transport (OT) is a framework that can be used to guide the optimal allocation of a limited amount of resources. The classical OT paradigm does not consider malicious attacks in its formulation and thus the designed transport plan…

系统与控制 · 电气工程与系统科学 2021-06-15 Jason Hughes , Juntao Chen

Optimal transport (OT) is a popular and powerful tool for comparing probability measures. However, OT suffers a few drawbacks: (i) input measures required to have the same mass, (ii) a high computational complexity, and (iii) indefiniteness…

机器学习 · 计算机科学 2023-02-27 Tam Le , Truyen Nguyen , Kenji Fukumizu

The optimal transport (OT) problem is a classical optimization problem having the form of linear programming. Machine learning applications put forward new computational challenges in its solution. In particular, the OT problem defines a…

最优化与控制 · 数学 2022-10-25 Nazarii Tupitsa , Pavel Dvurechensky , Darina Dvinskikh , Alexander Gasnikov

Recent advances in label assignment in object detection mainly seek to independently define positive/negative training samples for each ground-truth (gt) object. In this paper, we innovatively revisit the label assignment from a global…

计算机视觉与模式识别 · 计算机科学 2021-03-29 Zheng Ge , Songtao Liu , Zeming Li , Osamu Yoshie , Jian Sun

Dynamical formulations of optimal transport (OT) frame the task of comparing distributions as a variational problem which searches for a path between distributions minimizing a kinetic energy functional. In applications, it is frequently…

最优化与控制 · 数学 2025-12-11 Martin Bauer , Nicolas Charon , Tom Needham , Mao Nishino