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The goal of this presentation is to build an efficient non-parametric Bayes classifier in the presence of large numbers of predictors. When analyzing such data, parametric models are often too inflexible while non-parametric procedures tend…

统计方法学 · 统计学 2013-01-07 Abhishek Bhattacharya

L1-norm regularized logistic regression models are widely used for analyzing data with binary response. In those analyses, fusing regression coefficients is useful for detecting groups of variables. This paper proposes a binomial logistic…

统计方法学 · 统计学 2023-12-15 Yuko Kakikawa , Shuichi Kawano

There is an increasing popularity in exploiting modern vehicles as mobile sensors to obtain important road information such as potholes, black ice and road profile. Availability of such information has been identified as a key enabler for…

系统与控制 · 电气工程与系统科学 2022-06-13 Mohammad R. Hajidavalloo , Zhaojian Li , Xin Xia , Ali Louati , Minghui Zheng , Weichao Zhuang

A series of experiments in stationary and moving passenger rail cars were conducted to measure removal rates of particles in the size ranges of SARS-CoV-2 viral aerosols, and the air changes per hour provided by existing and modified air…

统计方法学 · 统计学 2024-06-28 Soumyakanti Pan , Darpan Das , Gurumurthy Ramachandran , Sudipto Banerjee

Spatial count data models are used to explain and predict the frequency of phenomena such as traffic accidents in geographically distinct entities such as census tracts or road segments. These models are typically estimated using Bayesian…

统计方法学 · 统计学 2020-10-19 Prateek Bansal , Rico Krueger , Daniel J. Graham

As technology advanced, collecting data via automatic collection devices become popular, thus we commonly face data sets with lengthy variables, especially when these data sets are collected without specific research goals beforehand. It…

机器学习 · 统计学 2022-05-10 Wan-Ping Nicole Chen , Yuan-chin Ivan Chang

Graphical models describe associations between variables through the notion of conditional independence. Gaussian graphical models are a widely used class of such models where the relationships are formalized by non-null entries of the…

统计方法学 · 统计学 2023-08-08 Sagnik Bhadury , Riten Mitra , Jeremy T. Gaskins

Targeted amplicon panels are widely used in oncology diagnostics, but providing per-gene performance guarantees for copy number variant (CNV) detection remains challenging due to amplification artifacts, process-mismatch heterogeneity, and…

统计方法学 · 统计学 2026-04-17 Austin Talbot , Alex V. Kotlar , Yue Ke

In this work, we introduce a novel framework which combines physics and machine learning methods to analyse acoustic signals. Three methods are developed for this task: a Bayesian inference approach for inferring the spectral acoustics…

声音 · 计算机科学 2023-05-30 Yongchao Huang , Yuhang He , Hong Ge

This study proposes a novel approach to quantifying uncertainties of constitutive relations inferred from noisy experimental data using inverse modelling. We focus on electrochemical systems in which charged species (e.g., Lithium ions) are…

化学物理 · 物理学 2020-03-12 Athinthra Sethurajan , Sergey Krachkovskiy , Gillian Goward , Bartosz Protas

The increased flexibility and density of spectrum access in 5G New Radio (NR) has made jamming detection and classification a critical research area. To detect coexisting jamming and subtle interference, we introduce a Bayesian…

信号处理 · 电气工程与系统科学 2024-10-28 Shashank Jere , Ying Wang , Ishan Aryendu , Shehadi Dayekh , Lingjia Liu

Hybrid recommendations have recently attracted a lot of attention where user features are utilized as auxiliary information to address the sparsity problem caused by insufficient user-item interactions. However, extracted user features…

信息检索 · 计算机科学 2022-11-22 Yaochen Zhu , Zhenzhong Chen

Numerical relativity (NR) enables the study of physics in strong and dynamical gravitational fields and provides predictions for the gravitational-wave signals produced by merging black holes. Despite the impressive accuracy of modern…

广义相对论与量子宇宙学 · 物理学 2025-10-15 Richard Dyer , Christopher J. Moore

Standard Bayesian inference is known to be sensitive to model misspecification, leading to unreliable uncertainty quantification and poor predictive performance. However, finding generally applicable and computationally feasible methods for…

统计方法学 · 统计学 2020-07-31 Jonathan H. Huggins , Jeffrey W. Miller

Background noise considerably reduces the accuracy and reliability of speaker verification (SV) systems. These challenges can be addressed using a speech enhancement system as a front-end module. Recently, diffusion probabilistic models…

音频与语音处理 · 电气工程与系统科学 2023-12-20 Ju-ho Kim , Jungwoo Heo , Hyun-seo Shin , Chan-yeong Lim , Ha-Jin Yu

We propose a framework to perform Bayesian inference using conditional score-based diffusion models to solve a class of inverse problems in mechanics involving the inference of a specimen's spatially varying material properties from noisy…

Unnormalized (or energy-based) models provide a flexible framework for capturing the characteristics of data with complex dependency structures. However, the application of standard Bayesian inference methods has been severely limited…

统计方法学 · 统计学 2026-03-11 Naruki Sonobe , Shonosuke Sugasawa , Daichi Mochihashi , Takeru Matsuda

We develop Bayesian nonparametric models for spatially indexed data of mixed type. Our work is motivated by challenges that occur in environmental epidemiology, where the usual presence of several confounding variables that exhibit complex…

统计方法学 · 统计学 2014-10-17 Georgios Papageorgiou , Sylvia Richardson , Nicky Best

The present paper proposes a novel Bayesian, computational strategy in the context of model-based inverse problems in elastostatics. On one hand we attempt to provide probabilistic estimates of the material properties and their spatial…

统计计算 · 统计学 2015-12-21 P. S. Koutsourelakis

Probabilistic vehicle trajectory prediction is essential for robust safety of autonomous driving. Current methods for long-term trajectory prediction cannot guarantee the physical feasibility of predicted distribution. Moreover, their…

机器学习 · 计算机科学 2019-11-13 Chen Tang , Jianyu Chen , Masayoshi Tomizuka