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We recently proposed a general algorithm for approximating nonstandard Bayesian posterior distributions by minimization of their Kullback-Leibler divergence with respect to a more convenient approximating distribution. In this note we offer…

统计计算 · 统计学 2014-01-10 Tim Salimans

In this paper, we introduce a novel theoretical framework for multi-task regression, applying random matrix theory to provide precise performance estimations, under high-dimensional, non-Gaussian data distributions. We formulate a…

This article describes posterior maximization for topic models, identifying computational and conceptual gains from inference under a non-standard parametrization. We then show that fitted parameters can be used as the basis for a novel…

应用统计 · 统计学 2011-12-30 Matthew A. Taddy

In this work, we propose a novel missile guidance algorithm that combines deep learning based trajectory prediction with nonlinear model predictive control. Although missile guidance and threat interception is a well-studied problem,…

系统与控制 · 电气工程与系统科学 2021-04-07 A. Sadik Satir , Umut Demir , Gulay Goktas Sever , N. Kemal Ure

Deep probabilistic time series forecasting has gained attention for its ability to provide nonlinear approximation and valuable uncertainty quantification for decision-making. However, existing models often oversimplify the problem by…

机器学习 · 统计学 2024-10-22 Vincent Zhihao Zheng , Seongjin Choi , Lijun Sun

In many autonomous mapping tasks, the maps cannot be accurately constructed due to various reasons such as sparse, noisy, and partial sensor measurements. We propose a novel map prediction method built upon the recent success of Low-Rank…

机器人学 · 计算机科学 2021-11-02 Zheng Chen , Shi Bai , Lantao Liu

Target localization is a critical task in sensitive applications, where multiple sensing agents communicate and collaborate to identify the target location based on sensor readings. Existing approaches investigated the use of Multi-Agent…

机器学习 · 计算机科学 2025-01-22 Ahmed Alagha , Rabeb Mizouni , Shakti Singh , Jamal Bentahar , Hadi Otrok

We present a modelling framework for multi-target tracking based on possibility theory and illustrate its ability to account for the general lack of knowledge that the target-tracking practitioner must deal with when working with real data.…

统计方法学 · 统计学 2021-03-10 Jeremie Houssineau

Educational policymakers often lack data on student outcomes where standardized tests were not administered. Machine learning can predict unobserved outcomes in target populations using source population data. However, covariate…

This paper addresses the problem of fixed motion and measurement models for multi-target filtering using an adaptive learning framework. This is performed by defining target tuples with random finite set terminology and utilisation of…

计算机视觉与模式识别 · 计算机科学 2018-10-09 Mehryar Emambakhsh , Alessandro Bay , Eduard Vazquez

We consider a distributed learning setup where a network of agents sequentially access realizations of a set of random variables with unknown distributions. The network objective is to find a parametrized distribution that best describes…

最优化与控制 · 数学 2016-05-10 Angelia Nedić , Alex Olshevsky , César Uribe

This paper deals with joint adaptive radar detection and target bearing estimation in the presence of mutual coupling among the array elements. First of all, a suitable model of the signal received by the multichannel radar is developed via…

信号处理 · 电气工程与系统科学 2025-05-13 Augusto Aubry , Antonio De Maio , Lan Lan , Massimo Rosamilia

This paper proposes a novel multi-target tracking (MTT) algorithm for scenarios with arbitrary numbers of measurements per target. We propose the variational probabilistic multi-hypothesis tracking (VPMHT) algorithm based on the variational…

信息论 · 计算机科学 2021-10-26 Shuoyuan Xu , Hyo-Sang Shin , Antonios Tsourdos

We present a control method for improved repetitive path following for a ground vehicle that is geared towards long-term operation where the operating conditions can change over time and are initially unknown. We use weighted Bayesian…

机器人学 · 计算机科学 2019-04-10 Christopher D. McKinnon , Angela P. Schoellig

This paper presents a novel robust predictive controller for constrained nonlinear systems that is able to track piece-wise constant setpoint signals. The tracking model predictive controller presented in this paper extends the nonlinear…

系统与控制 · 电气工程与系统科学 2025-08-21 Marco Polver , Daniel Limon , Fabio Previdi , Antonio Ferramosca

This paper provides an approximate online adaptive solution to the infinite-horizon optimal tracking problem for control-affine continuous-time nonlinear systems with unknown drift dynamics. Model-based reinforcement learning is used to…

系统与控制 · 计算机科学 2017-07-25 Rushikesh Kamalapurkar , Lindsey Andrews , Patrick Walters , Warren E. Dixon

In this paper, the tracking control problem of a class of Euler-Lagrange systems subjected to unknown uncertainties is addressed and an adaptive-robust control strategy, christened as Time-Delayed Adaptive Robust Control (TARC) is…

系统与控制 · 计算机科学 2018-05-10 Spandan Roy , Indra Narayan Kar

In regression modelling approach, the main step is to fit the regression line as close as possible to the target variable. In this process most algorithms try to fit all of the data in a single line and hence fitting all parts of target…

机器学习 · 统计学 2018-05-07 Kumarjit Pathak , Jitin Kapila , Aasheesh Barvey , Nikit Gawande

A new framework for adaptive regulation to invariant sets is proposed. Reaching the target dynamics (invariant set) is to be ensured by state feedback while adaptation to parametric uncertainties is provided by additional adaptation…

最优化与控制 · 数学 2007-05-23 Ivan Tyukin , Denis Efimov , Cees van Leeuwen

Precision matrix estimation is a fundamental topic in multivariate statistics and modern machine learning. This paper proposes an adversarially perturbed precision matrix estimation framework, motivated by recent developments in adversarial…

统计方法学 · 统计学 2026-03-25 Yiling Xie