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相关论文: Bregman-divergence-guided Legendre exponential dis…

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This work proposes the Bregman-Tweedie classification model and analyzes the domain structure of the extended exponential function, an extension of the classic generalized exponential function with additional scaling parameter, and related…

机器学习 · 计算机科学 2019-07-17 Hyenkyun Woo

This paper proposes a general modeling framework that allows for uncertainty quantification at the individual covariate level and spatial referencing, operating withing a double generalized linear model (DGLM). DGLMs provide a general…

统计方法学 · 统计学 2023-02-14 Aritra Halder , Shariq Mohammed , Kun Chen , Dipak K. Dey

In this paper a new family of minimum divergence estimators based on the Bregman divergence is proposed, where the defining convex function has an exponential nature. These estimators avoid the necessity of using an intermediate kernel…

统计方法学 · 统计学 2019-11-25 Taranga Mukherjee , Abhijit Mandal , Ayanendranath Basu

We propose enforcing constraints on Model-Based Diffusion by introducing emerging barrier functions inspired by interior point methods. We demonstrate that the standard Model-Based Diffusion algorithm can lead to catastrophic performance…

机器人学 · 计算机科学 2026-03-10 Raghav Mishra , Ian R. Manchester

We consider the classical problem of learning, with arbitrary accuracy, the natural parameters of a $k$-parameter truncated \textit{minimal} exponential family from i.i.d. samples in a computationally and statistically efficient manner. We…

机器学习 · 计算机科学 2023-09-13 Abhin Shah , Devavrat Shah , Gregory W. Wornell

Diffusion model-based low-light image enhancement methods rely heavily on paired training data, leading to limited extensive application. Meanwhile, existing unsupervised methods lack effective bridging capabilities for unknown degradation.…

计算机视觉与模式识别 · 计算机科学 2025-02-18 Jinhong He , Minglong Xue , Aoxiang Ning , Chengyun Song

Learning to sample from intractable distributions over discrete sets without relying on corresponding training data is a central problem in a wide range of fields, including Combinatorial Optimization. Currently, popular deep learning-based…

机器学习 · 计算机科学 2025-08-25 Sebastian Sanokowski , Sepp Hochreiter , Sebastian Lehner

Discrete diffusion models have emerged as a powerful class of models and a promising route to fast language generation, but practical implementations typically rely on factored reverse transitions ignoring cross-token dependencies and…

机器学习 · 计算机科学 2026-05-14 Dario Shariatian , Alain Durmus , Umut Simsekli , Stefano Peluchetti

We introduce beta diffusion, a novel generative modeling method that integrates demasking and denoising to generate data within bounded ranges. Using scaled and shifted beta distributions, beta diffusion utilizes multiplicative transitions…

机器学习 · 计算机科学 2023-12-27 Mingyuan Zhou , Tianqi Chen , Zhendong Wang , Huangjie Zheng

We propose a family of four-parameter distributions that contain the K-distribution as special case. The family is derived as a mixture distribution that uses the three-parameter reflected Gamma distribution as parental and the…

The use of latent variable models has shown to be a powerful tool for modeling probability distributions over sequences. In this paper, we introduce a new variational model that extends the recurrent network in two ways for the task of…

计算机视觉与模式识别 · 计算机科学 2020-12-14 Haziq Razali , Basura Fernando

Langevin diffusion (LD) is one of the main workhorses for sampling problems. However, its convergence rate can be significantly reduced if the target distribution is a mixture of multiple densities, especially when each component…

概率论 · 数学 2020-07-14 Jing Dong , Xin T. Tong

Distributed learning of probabilistic models from multiple data repositories with minimum communication is increasingly important. We study a simple communication-efficient learning framework that first calculates the local maximum…

机器学习 · 统计学 2014-10-13 Qiang Liu , Alexander Ihler

We describe $k$-MLE, a fast and efficient local search algorithm for learning finite statistical mixtures of exponential families such as Gaussian mixture models. Mixture models are traditionally learned using the expectation-maximization…

机器学习 · 计算机科学 2016-11-15 Frank Nielsen

We develop a new fast-diffusion approximation for the kinetics of deposition of extended objects on a linear substrate, accompanied by diffusional relaxation. This new approximation plays the role of the mean-field theory for such processes…

凝聚态物理 · 物理学 2010-10-12 Vladimir Privman , Mustansir Barma

There are some real life issues that are exists in nature which has early failure. This type of problems can be modelled either by a complex distribution having more than one parameter or by finite mixture of some distribution. In this…

统计理论 · 数学 2024-08-30 Brijesh P. Singh , Utpal Dhar Das , Sandeep Singh

We introduce generative models for accelerating simulations of complex systems through learning and evolving their effective dynamics. In the proposed Generative Learning of Effective Dynamics (G-LED), instances of high dimensional data are…

机器学习 · 计算机科学 2024-02-28 Han Gao , Sebastian Kaltenbach , Petros Koumoutsakos

The velocity particle distributions measured in-situ in space plasmas deviate from Maxwellian (thermal) equilibrium, showing enhanced suprathermal tails which are well described by the standard Kappa-distribution (SKD). Despite its…

等离子体物理 · 物理学 2020-06-08 Edin Husidic , Marian Lazar , Horst Fichtner , Klaus Scherer , Patrick Astfalk

Recently in [1, 2], Ali-Akbar Bromideh introduced the Kullback-Leibler Divergence (KLD) test statistic in discrim- inating between two models. It was found that the Ratio Minimized Kulback-Leibler Divergence (RMKLD) works better than the…

统计方法学 · 统计学 2017-10-02 Papa Ngom , Jean de Dieu Nkurunziza , Carlos Simplice Ogouyandjou

In this paper, we consider the adaptive Eulerian--Lagrangian method (ELM) for linear convection-diffusion problems. Unlike the classical a posteriori error estimations, we estimate the temporal error along the characteristics and derive a…

数值分析 · 数学 2012-09-07 Xiaozhe Hu , Young-Ju Lee , Jinchao Xu , Chensong Zhang
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