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The increasing integration of distributed energy resources (DERs) is transforming power systems into complex, decentralized networks, particularly at the distribution level, where active distribution networks (ADNs) introduce new challenges…

最优化与控制 · 数学 2025-07-14 J. G. De la Varga , J. M. Morales , S. Pineda

We provide new recovery bounds for hierarchical compressed sensing (HCS) based on prior support information (PSI). A detailed PSI-enabled reconstruction model is formulated using various forms of PSI. The hierarchical block orthogonal…

信号处理 · 电气工程与系统科学 2025-11-11 Liyang Lu , Haochen Wu , Wenbo Xu , Zhaocheng Wang , H. Vincent Poor

Boundary conditions (BCs) are a key component in every Physics-Informed Neural Network (PINN). By defining the solution to partial differential equations (PDEs) along domain boundaries, BCs constrain the underlying boundary value problem…

机器学习 · 计算机科学 2023-10-05 Sebastian Barschkis

The uncertainty-penalized information criterion (UBIC) has been proposed as a new model-selection criterion for data-driven partial differential equation (PDE) discovery. In this paper, we show that using the UBIC is equivalent to employing…

机器学习 · 计算机科学 2024-04-29 Pongpisit Thanasutives , Ken-ichi Fukui

We introduce a general framework to handle structured models (sparse and block-sparse with possibly overlapping blocks). We discuss new methods for their recovery from incomplete observation, corrupted with deterministic and stochastic…

统计理论 · 数学 2013-02-28 Anatoli Juditsky , Fatma Kılınç Karzan , Arkadi Nemirovski , Boris Polyak

In this paper, we study the support recovery conditions of weighted $\ell_1$ minimization for signal reconstruction from compressed sensing measurements when multiple support estimate sets with different accuracy are available. We identify…

信息论 · 计算机科学 2012-06-01 Hassan Mansour , Ozgur Yilmaz

Compressed sensing deals with the reconstruction of sparse signals using a small number of linear measurements. One of the main challenges in compressed sensing is to find the support of a sparse signal. In the literature, several bounds on…

信息论 · 计算机科学 2009-11-26 Ali Hormati , Amin Karbasi , Soheil Mohajer , Martin Vetterli

One of the key issues in the acquisition of sparse data by means of compressed sensing (CS) is the design of the measurement matrix. Gaussian matrices have been proven to be information-theoretically optimal in terms of minimizing the…

信息论 · 计算机科学 2018-11-26 Ahmed Elzanaty , Andrea Giorgetti , Marco Chiani

In the context of compressed sensing, the nonconvex $\ell_q$ minimization with $0<q<1$ has been studied in recent years. In this paper, by generalizing the sharp bound for $\ell_1$ minimization of Cai and Zhang, we show that the condition…

信息论 · 计算机科学 2015-06-17 Chao-Bing Song , Shu-Tao Xia

Mutual Information (MI) is a crucial measure for capturing dependencies between variables, but exact computation is challenging in high dimensions with intractable likelihoods, impacting accuracy and robustness. One idea is to use an…

机器学习 · 统计学 2025-03-13 Forough Fazeliasl , Michael Minyi Zhang , Bei Jiang , Linglong Kong

A reinforcement-learning-based non-uniform compressed sensing (NCS) framework for time-varying signals is introduced. The proposed scheme, referred to as RL-NCS, aims to boost the performance of signal recovery through an optimal and…

机器学习 · 计算机科学 2021-07-05 Nazmul Karim , Alireza Zaeemzadeh , Nazanin Rahnavard

Model selection in linear regression models is a major challenge when dealing with high-dimensional data where the number of available measurements (sample size) is much smaller than the dimension of the parameter space. Traditional methods…

信号处理 · 电气工程与系统科学 2023-07-05 Prakash B. Gohain , Magnus Jansson

We extend the Physics-Informed Echo State Network (PI-ESN) framework to reconstruct the evolution of an unmeasured state (hidden state) in a chaotic system. The PI-ESN is trained by using (i) data, which contains no information on the…

信号处理 · 电气工程与系统科学 2020-04-08 Nguyen Anh Khoa Doan , Wolfgang Polifke , Luca Magri

Soft sensors have been extensively used to monitor key variables using easy-to-measure variables and mathematical models. Partial differential equations (PDEs) are model candidates for soft sensors in industrial processes with…

机器学习 · 计算机科学 2023-08-14 Aina Wang , Pan Qin , Xi-Ming Sun

In the context of high-dimensional linear regression models, we propose an algorithm of exact support recovery in the setting of noisy compressed sensing where all entries of the design matrix are independent and identically distributed…

统计理论 · 数学 2019-10-23 Mohamed Ndaoud , Alexandre B. Tsybakov

We provide a comprehensive semi-parametric study of Bayesian partially identified econometric models. While the existing literature on Bayesian partial identification has mostly focused on the structural parameter, our primary focus is on…

统计方法学 · 统计学 2017-09-29 Yuan Liao , Anna Simoni

Flexible and accurate noise characterization is crucial for the precise estimation of gravitational-wave parameters. We introduce a Bayesian method for estimating the power spectral density (PSD) of long, stationary time series, explicitly…

广义相对论与量子宇宙学 · 物理学 2026-03-26 Nazeela Aimen , Patricio Maturana-Russel , Avi Vajpeyi , Nelson Christensen , Renate Meyer

We propose a novel data-driven stochastic model predictive control framework for uncertain linear systems with noisy output measurements. Our approach leverages multi-step predictors to efficiently propagate uncertainty, ensuring chance…

系统与控制 · 电气工程与系统科学 2025-03-18 Haldun Balim , Andrea Carron , Melanie N. Zeilinger , Johannes Köhler

Recent advances in quantized compressed sensing and high-dimensional estimation have shown that signal recovery is even feasible under strong non-linear distortions in the observation process. An important characteristic of associated…

信息论 · 计算机科学 2023-08-08 Martin Genzel , Alexander Stollenwerk

In the context of compressed sensing (CS), both Subspace Pursuit (SP) and Compressive Sampling Matching Pursuit (CoSaMP) are very important iterative greedy recovery algorithms which could reduce the recovery complexity greatly comparing…

信息论 · 计算机科学 2015-06-17 Chao-Bing Song , Shu-Tao Xia , Xin-ji Liu