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Approximate Bayesian computing is a powerful likelihood-free method that has grown increasingly popular since early applications in population genetics. However, complications arise in the theoretical justification for Bayesian inference…

统计计算 · 统计学 2018-12-03 Suzanne Thornton , Wentao Li , Min-ge Xie

The autonomous systems need to decide how to react to the changes at runtime efficiently. The ability to rigorously analyze the environment and the system together is theoretically possible by the model-driven approaches; however, the model…

软件工程 · 计算机科学 2021-10-28 Melika Dastranj , Mehran Alidoost Nia , Mehdi Kargahi

Graphical models have found widespread applications in many areas of modern statistics and machine learning. Iterative Proportional Fitting (IPF) and its variants have become the default method for undirected graphical model estimation, and…

统计方法学 · 统计学 2024-08-22 Kshitij Khare , Syed Rahman , Bala Rajaratnam , Jiayuan Zhou

Superpixel segmentation has become an important research problem in image processing. In this paper, we propose an Iterative Spanning Forest (ISF) framework, based on sequences of Image Foresting Transforms, where one can choose i) a seed…

In this paper, we introduce a method for approximating the solution to inference and optimization tasks in uncertain and deterministic reasoning. Such tasks are in general intractable for exact algorithms because of the large number of…

人工智能 · 计算机科学 2012-12-12 David Ephraim Larkin

Almost all fields of science rely upon statistical inference to estimate unknown parameters in theoretical and computational models. While the performance of modern computer hardware continues to grow, the computational requirements for the…

统计计算 · 统计学 2022-10-25 David J. Warne , Ruth E. Baker , Matthew J. Simpson

We present a new algorithm for approximate inference in probabilistic programs, based on a stochastic gradient for variational programs. This method is efficient without restrictions on the probabilistic program; it is particularly…

机器学习 · 统计学 2013-01-08 David Wingate , Theophane Weber

We present a novel approach to Bayesian inference and general Bayesian computation that is defined through a sequential decision loop. Our method defines a recursive partitioning of the sample space. It neither relies on gradients nor…

机器学习 · 统计学 2021-06-10 Erik Bodin , Zhenwen Dai , Neill D. F. Campbell , Carl Henrik Ek

In this paper we propose a new efficient interpolation tool, extremely suitable for large scattered data sets. The partition of unity method is used and performed by blending Radial Basis Functions (RBFs) as local approximants and using…

数值分析 · 数学 2016-04-18 R. Cavoretto , A. De Rossi , E. Perracchione

We propose a new approximate method for counting the number of the solutions for constraint satisfaction problem (CSP). The method derives from the partition function based on introducing the free energy and capturing the relationship of…

人工智能 · 计算机科学 2013-09-12 Junping Zhou , Weihua Su , Minghao Yin

Considering the worst-case scenario, junction tree algorithm remains the most general solution for exact MAP inference with polynomial run-time guarantees. Unfortunately, its main tractability assumption requires the treewidth of a…

离散数学 · 计算机科学 2022-02-10 Alexander Bauer , Shinichi Nakajima

We present new algorithms and fast implementations to find efficient approximations for modelling stochastic processes. For many numerical computations it is essential to develop finite approximations for stochastic processes. While the…

最优化与控制 · 数学 2020-12-03 Kipngeno Benard Kirui , Georg Ch. Pflug , Alois Pichler

Implicit curve and surface reconstruction attracts the attention of many researchers and gains a wide range of applications, due to its ability to describe objects with complicated geometry and topology. However, extra zero-level sets or…

数值分析 · 数学 2019-09-04 Yusuf Fatihu Hamza , Hongwei Lin , Zihao Li

The integrated nested Laplace approximations (INLA) method has become a widely utilized tool for researchers and practitioners seeking to perform approximate Bayesian inference across various fields of application. To address the growing…

统计计算 · 统计学 2023-11-15 Esmail Abdul-Fattah , Janet Van Niekerk , Haavard Rue

Approximation algorithms are widely used in many engineering problems. To obtain a data set for approximation a factorial design of experiments is often used. In such case the size of the data set can be very large. Therefore, one of the…

统计方法学 · 统计学 2014-07-04 Mikhail Belyaev , Evgeny Burnaev , Yermek Kapushev

In recent years dynamical modelling has been provided with a range of breakthrough methods to perform exact Bayesian inference. However it is often computationally unfeasible to apply exact statistical methodologies in the context of large…

统计计算 · 统计学 2014-12-24 Umberto Picchini , Julie Lyng Forman

The conventional clustering algorithms mine static databases and generate a set of patterns in the form of clusters. Many real life databases keep growing incrementally. For such dynamic databases, the patterns extracted from the original…

数据库 · 计算机科学 2013-10-28 A. M. Sowjanya , M. Shashi

The complex nature of inertial confinement fusion (ICF) experiments results in a very large number of experimental parameters that are only known with limited reliability. These parameters, combined with the myriad physical models that…

等离子体物理 · 物理学 2015-06-15 Jim A Gaffney , Dan Clark , Vijay Sonnad , Stephen B Libby

Counterfactual explanations (CFE) are being widely used to explain algorithmic decisions, especially in consequential decision-making contexts (e.g., loan approval or pretrial bail). In this context, CFEs aim to provide individuals affected…

机器学习 · 计算机科学 2021-02-09 Kiarash Mohammadi , Amir-Hossein Karimi , Gilles Barthe , Isabel Valera

We consider the problem of Bayesian inference in the family of probabilistic models implicitly defined by stochastic generative models of data. In scientific fields ranging from population biology to cosmology, low-level mechanistic…