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相关论文: GMM-Based Time-Varying Coverage Control

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Task Parametrized Gaussian Mixture Models (TP-GMM) are a sample-efficient method for learning object-centric robot manipulation tasks. However, there are several open challenges to applying TP-GMMs in the wild. In this work, we tackle three…

机器人学 · 计算机科学 2024-10-24 Jan Ole von Hartz , Tim Welschehold , Abhinav Valada , Joschka Boedecker

In this work, we propose a Gaussian mixture model (GMM)-based pilot design scheme for downlink (DL) channel estimation in single- and multi-user multiple-input multiple-output (MIMO) frequency division duplex (FDD) systems. In an initial…

信息论 · 计算机科学 2024-08-08 Nurettin Turan , Benedikt Böck , Benedikt Fesl , Michael Joham , Deniz Gündüz , Wolfgang Utschick

Coverage control is essential for the optimal deployment of agents to monitor or cover areas with sensory demands. While traditional coverage involves single-task robots, increasing autonomy now enables multitask operations. This paper…

系统与控制 · 电气工程与系统科学 2026-03-13 Lai Wei , Andrew McDonald , Vaibhav Srivastava

Many records in environmental sciences exhibit asymmetric trajectories and there is a need for simple and tractable models which can reproduce such features. In this paper we explore an approach based on applying both a time change and a…

统计方法学 · 统计学 2015-10-09 Pierre Ailliot , Bernard Delyon , Valérie Monbet , Marc Prevosto

Graphical Transformation Models (GTMs) are introduced as a novel approach to effectively model multivariate data with intricate marginals and complex dependency structures semiparametrically, while maintaining interpretability through the…

统计方法学 · 统计学 2025-08-28 Matthias Herp , Johannes Brachem , Michael Altenbuchinger , Thomas Kneib

Coverage motion planning is essential to a wide range of robotic tasks. Unlike conventional motion planning problems, which reason over temporal sequences of states, coverage motion planning requires reasoning over the spatial distribution…

机器人学 · 计算机科学 2025-11-17 Max M. Sun , Jueun Kwon , Todd Murphey

We introduce a variational algorithm to estimate the likelihood of a rare event within a nonequilibrium molecular dynamics simulation through the evaluation of an optimal control force. Optimization of a control force within a chosen basis…

统计力学 · 物理学 2021-01-14 Avishek Das , David T. Limmer

We present a new framework to detect various types of variable objects within massive astronomical time-series data. Assuming that the dominant population of objects is non-variable, we find outliers from this population by using a…

天体物理仪器与方法 · 物理学 2010-01-17 Min-Su Shin , Michael Sekora , Yong-Ik Byun

Contextual optimization enhances decision quality by leveraging side information to improve predictions of uncertain parameters. However, existing approaches face significant challenges when dealing with multimodal or mixtures of…

最优化与控制 · 数学 2025-09-19 YoungChul Yoon , Grani A. Hanasusanto , Yijie Wang

Forecasting on sparse multivariate time series (MTS) aims to model the predictors of future values of time series given their incomplete past, which is important for many emerging applications. However, most existing methods process MTS's…

This letter presents a continuous probabilistic modeling methodology for spatial point cloud data using finite Gaussian Mixture Models (GMMs) where the number of components are adapted based on the scene complexity. Few hierarchical and…

机器学习 · 计算机科学 2023-03-14 Kshitij Goel , Nathan Michael , Wennie Tabib

The Gaussian Graphical Model (GGM) is a popular tool for incorporating sparsity into joint multivariate distributions. The G-Wishart distribution, a conjugate prior for precision matrices satisfying general GGM constraints, has now been in…

统计计算 · 统计学 2012-05-15 Yuan Cheng , Alex Lenkoski

In this paper, we study the finite-horizon optimal density steering problem for discrete-time stochastic linear dynamical systems. Specifically, we focus on steering probability densities represented as Gaussian mixture models which are…

系统与控制 · 电气工程与系统科学 2023-12-19 Isin M. Balci , Efstathios Bakolas

In this work, we propose variations of a Gaussian mixture model (GMM) based channel estimator that was recently proven to be asymptotically optimal in the minimum mean square error (MMSE) sense. We account for the need of low computational…

信息论 · 计算机科学 2023-06-06 Benedikt Fesl , Michael Joham , Sha Hu , Michael Koller , Nurettin Turan , Wolfgang Utschick

Unsupervised learning has been widely used in many real-world applications. One of the simplest and most important unsupervised learning models is the Gaussian mixture model (GMM). In this work, we study the multi-task learning problem on…

机器学习 · 统计学 2025-12-29 Ye Tian , Haolei Weng , Lucy Xia , Yang Feng

Microgrids are resources that can be used to restore critical loads after a natural disaster, enhancing resilience of a distribution network. To deal with the stochastic nature of intermittent energy resources, such as wind turbines (WTs)…

系统与控制 · 计算机科学 2017-09-25 Zhiwen Wang , Chen Shen , Yin Xu , Feng Liu , Xiangyu Wu , Chen-Ching Liu

This work proposes a coverage controller that enables an aerial team of distributed autonomous agents to collaboratively generate non-myopic coverage plans over a rolling finite horizon, aiming to cover specific points on the surface area…

Recently, a versatile limited feedback scheme based on a Gaussian mixture model (GMM) was proposed for frequency division duplex (FDD) systems. This scheme provides high flexibility regarding various system parameters and is applicable to…

信息论 · 计算机科学 2023-11-29 Nurettin Turan , Benedikt Fesl , Wolfgang Utschick

We consider the problem of finite-horizon optimal control of a discrete linear time-varying system subject to a stochastic disturbance and fully observable state. The initial state of the system is drawn from a known Gaussian distribution,…

最优化与控制 · 数学 2017-11-08 Maxim Goldshtein , Panagiotis Tsiotras

Unmanned Aerial Vehicles (UAVs) dynamic encirclement is an emerging field with great potential. Researchers often get inspiration from biological systems, either from macro-world like fish schools or bird flocks etc, or from micro-world…

机器人学 · 计算机科学 2024-10-28 Yuwei Cai , Huanlin Li , Zhun Fan , Juncao Hong , Peng Xu , Hui Cheng , Xiaomi Zhu , Bingliang Hu , Zhifeng Hao