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Wasserstein metrics are increasingly being used as similarity scores for images treated as discrete measures on a grid, yet their behavior under noise remains poorly understood. In this work, we consider the sensitivity of the signed…

统计理论 · 数学 2026-05-19 Erik Lager , Gilles Mordant , Amit Moscovich

The problem of learning functions over spaces of probabilities - or distribution regression - is gaining significant interest in the machine learning community. A key challenge behind this problem is to identify a suitable representation…

机器学习 · 统计学 2022-06-20 Dimitri Meunier , Massimiliano Pontil , Carlo Ciliberto

As 3D Gaussian Splatting (3D-GS) gains significant attention and its commercial usage increases, the need for watermarking technologies to prevent unauthorized use of the 3D-GS models and rendered images has become increasingly important.…

计算机视觉与模式识别 · 计算机科学 2025-04-01 Youngdong Jang , Hyunje Park , Feng Yang , Heeju Ko , Euijin Choo , Sangpil Kim

Efficiently aggregating data from different sources is a challenging problem, particularly when samples from each source are distributed differently. These differences can be inherent to the inference task or present for other reasons:…

机器学习 · 计算机科学 2017-11-15 Matthew Staib , Sebastian Claici , Justin Solomon , Stefanie Jegelka

Comparing probability distributions is at the crux of many machine learning algorithms. Maximum Mean Discrepancies (MMD) and Wasserstein distances are two classes of distances between probability distributions that have attracted abundant…

机器学习 · 统计学 2023-06-01 Titouan Vayer , Rémi Gribonval

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

Whole slide images (WSIs) are high-resolution, gigapixel sized images that pose significant computational challenges for traditional machine learning models due to their size and heterogeneity.In this paper, we present a scalable and…

计算机视觉与模式识别 · 计算机科学 2025-01-22 Ravi Kant Gupta , Shounak Das , Ardhendu Sekhar , Amit Sethi

Manifold learning has been proven to be an effective method for capturing the implicitly intrinsic structure of non-Euclidean data, in which one of the primary challenges is how to maintain the distortion-free (isometry) of the data…

机器学习 · 计算机科学 2024-09-24 Zihao Chen , Wenyong Wang , Yu Xiang

Speech enhancement (SE) aims to improve speech quality and intelligibility, which are both related to a smooth transition in speech segments that may carry linguistic information, e.g. phones and syllables. In this study, we propose a novel…

声音 · 计算机科学 2021-04-28 Tsun-An Hsieh , Cheng Yu , Szu-Wei Fu , Xugang Lu , Yu Tsao

The Sliced-Wasserstein distance (SW) is a computationally efficient and theoretically grounded alternative to the Wasserstein distance. Yet, the literature on its statistical properties -- or, more accurately, its generalization properties…

机器学习 · 统计学 2023-06-01 Ruben Ohana , Kimia Nadjahi , Alain Rakotomamonjy , Liva Ralaivola

Squared Wasserstein distance is a frequently used tool to measure discrepancy between probability distributions. This distance is typically computed between empirical measures of size $n$ from two underlying random samples. Unfortunately,…

机器学习 · 统计学 2026-05-20 Peter Matthew Jacobs , Jeff M. Phillips

Generalized sliced Wasserstein distance is a variant of sliced Wasserstein distance that exploits the power of non-linear projection through a given defining function to better capture the complex structures of the probability…

机器学习 · 统计学 2022-10-20 Dung Le , Huy Nguyen , Khai Nguyen , Trang Nguyen , Nhat Ho

The Sliced-Wasserstein (SW) distance between probability measures is defined as the average of the Wasserstein distances resulting for the associated one-dimensional projections. As a consequence, the SW distance can be written as an…

机器学习 · 统计学 2024-05-16 Rémi Leluc , Aymeric Dieuleveut , François Portier , Johan Segers , Aigerim Zhuman

Optimal Transport has sparked vivid interest in recent years, in particular thanks to the Wasserstein distance, which provides a geometrically sensible and intuitive way of comparing probability measures. For computational reasons, the…

机器学习 · 计算机科学 2024-03-19 Eloi Tanguy

In Bayesian inference, the posterior distributions are difficult to obtain analytically for complex models such as neural networks. Variational inference usually uses a parametric distribution for approximation, from which we can easily…

机器学习 · 统计学 2019-02-01 Futoshi Futami , Zhenghang Cui , Issei Sato , Masashi Sugiyama

Conventional word sense induction (WSI) methods usually represent each instance with discrete linguistic features or cooccurrence features, and train a model for each polysemous word individually. In this work, we propose to learn sense…

计算与语言 · 计算机科学 2016-06-23 Linfeng Song , Zhiguo Wang , Haitao Mi , Daniel Gildea

The Wasserstein distance is a metric on a space of probability measures that has seen a surge of applications in statistics, machine learning, and applied mathematics. However, statistical aspects of Wasserstein distances are bottlenecked…

概率论 · 数学 2022-03-02 Ziv Goldfeld , Kengo Kato , Sloan Nietert , Gabriel Rioux

Fused Gromov-Wasserstein (FGW) distances provide a principled framework for comparing objects by jointly aligning structure and node features. However, existing FGW formulations treat all features uniformly, which limits interpretability…

机器学习 · 计算机科学 2026-05-13 Harlin Lee , Ying Yu , Mingxin Li , Ranthony Clark

In this study, a new Stacked Generalization technique called Fuzzy Stacked Generalization (FSG) is proposed to minimize the difference between N -sample and large-sample classification error of the Nearest Neighbor classifier. The proposed…

机器学习 · 计算机科学 2013-08-14 Mete Ozay , Fatos T. Yarman Vural

Few-shot learning (FSL) is a challenging task in machine learning, demanding a model to render discriminative classification by using only a few labeled samples. In the literature of FSL, deep models are trained in a manner of metric…

计算机视觉与模式识别 · 计算机科学 2025-01-27 Tong Wu , Takumi Kobayashi