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Ultra-high dimensional longitudinal data are increasingly common and the analysis is challenging both theoretically and methodologically. We offer a new automatic procedure for finding a sparse semivarying coefficient model, which is widely…

统计方法学 · 统计学 2014-09-24 Ming-Yen Cheng , Toshio Honda , Jialiang Li , Heng Peng

We present a novel approach for constrained Bayesian inference. Unlike current methods, our approach does not require convexity of the constraint set. We reduce the constrained variational inference to a parametric optimization over the…

机器学习 · 计算机科学 2013-09-27 Oluwasanmi Koyejo , Joydeep Ghosh

Sparse Conditional Random Field (CRF) is a powerful technique in computer vision and natural language processing for structured prediction. However, solving sparse CRFs in large-scale applications remains challenging. In this paper, we…

计算机视觉与模式识别 · 计算机科学 2021-11-30 Weizhong Zhang , Shuang Qiu

Estimating the clutter-plus-noise covariance matrix in high-dimensional STAP is challenging in the presence of Internal Clutter Motion (ICM) and a high noise floor. The problem becomes more difficult in low-sample regimes, where the Sample…

信号处理 · 电气工程与系统科学 2025-05-13 Shashwat Jain , Vikram Krishnamurthy , Muralidhar Rangaswamy , Sandeep Gogineni , Bosung Kang , Sean M. O'Rourke

In this paper, an evolutionary-based sparse regression algorithm is proposed and applied onto experimental data collected from a Duffing oscillator setup and numerical simulation data. Our purpose is to identify the Coulomb friction terms…

计算工程、金融与科学 · 计算机科学 2020-05-19 Saeideh Khatiry Goharoodi , Kevin Dekemele , Mia Loccufier , Luc Dupre , Guillaume Crevecoeur

Medical prediction applications often need to deal with small sample sizes compared to the number of covariates. Such data pose problems for prediction and variable selection, especially when the covariate-response relationship is…

机器学习 · 统计学 2024-11-05 Jeroen M. Goedhart , Thomas Klausch , Jurriaan Janssen , Mark A. van de Wiel

Across many areas, from neural tracking to database entity resolution, manual assessment of clusters by human experts presents a bottleneck in rapid development of scalable and specialized clustering methods. To solve this problem we…

机器学习 · 统计学 2020-03-20 Hanlin Zhu , Xue Li , Liuyang Sun , Fei He , Zhengtuo Zhao , Lan Luan , Ngoc Mai Tran , Chong Xie

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

We present the Koopman State Estimator (KoopSE), a framework for model-free batch state estimation of control-affine systems that makes no linearization assumptions, requires no problem-specific feature selections, and has an inference…

机器人学 · 计算机科学 2021-12-07 Zi Cong Guo , Vassili Korotkine , James R. Forbes , Timothy D. Barfoot

Motivated by the growing interest in integrated sensing and communication for 6th generation (6G) networks, this paper presents a cognitive Multiple-Input Multiple-Output (MIMO) radar system enhanced by reinforcement learning (RL) for…

信号处理 · 电气工程与系统科学 2025-02-10 Adam Umra , Aya Mostafa Ahmed , Aydin Sezgin

A key component of cognitive radar is the ability to generalize, or achieve consistent performance across a range of sensing environments, since aspects of the physical scene may vary over time. This presents a challenge for learning-based…

信息论 · 计算机科学 2023-02-08 Charles E. Thornton , R. Michael Buehrer , Anthony F. Martone

Reinforcement learning (RL) provides a principled framework for decision-making in partially observable environments, which can be modeled as Markov decision processes and compactly represented through dynamic decision Bayesian networks.…

Abrupt maneuvers by surrounding vehicles (SVs) can typically lead to safety concerns and affect the task efficiency of the ego vehicle (EV), especially with model uncertainties stemming from environmental disturbances. This paper presents a…

机器人学 · 计算机科学 2024-03-08 Lei Zheng , Rui Yang , Zengqi Peng , Wei Yan , Michael Yu Wang , Jun Ma

Motivated by the maneuvering target tracking with sensors such as radar and sonar, this paper considers the joint and recursive estimation of the dynamic state and the time-varying process noise covariance in nonlinear state space models.…

系统与控制 · 电气工程与系统科学 2023-05-09 Hua Lan , Jinjie Hu , Zengfu Wang , Qiang Cheng

In this paper, we address the theoretical limitations in reconstructing sparse signals (in a known complete basis) using compressed sensing framework. We also divide the CS to non-blind and blind cases. Then, we compute the Bayesian…

信息论 · 计算机科学 2010-05-25 Hadi Zayyani , Massoud Babaie-Zadeh , Christian Jutten

The growing environmental footprint of artificial intelligence (AI), especially in terms of storage and computation, calls for more frugal and interpretable models. Sparse models (e.g., linear, neural networks) offer a promising solution by…

机器学习 · 统计学 2025-09-23 Sylvain Sardy , Maxime van Cutsem , Xiaoyu Ma

Floating-point neural networks dominate modern machine learning but incur substantial inference costs, motivating emerging interest in Boolean networks for resource-constrained deployments. Since Boolean networks use only Boolean…

人工智能 · 计算机科学 2026-05-13 Shengpu Wang , Yuhao Mao , Yani Zhang , Martin Vechev

Sparse Bayesian learning (SBL) has emerged as a fast and competitive method to perform sparse processing. The SBL algorithm, which is developed using a Bayesian framework, approximately solves a non-convex optimization problem using fixed…

Energy consumption is an important issue in continuous wireless telemonitoring of physiological signals. Compressed sensing (CS) is a promising framework to address it, due to its energy-efficient data compression procedure. However, most…

信息论 · 计算机科学 2014-11-18 Zhilin Zhang , Tzyy-Ping Jung , Scott Makeig , Zhouyue Pi , Bhaskar D. Rao

In recent years, impressive performance of deep learning technology has been recognized in Synthetic Aperture Radar (SAR) Automatic Target Recognition (ATR). Since a large amount of annotated data is required in this technique, it poses a…

计算机视觉与模式识别 · 计算机科学 2024-08-08 Yikui Zhai , Wenlve Zhou , Bing Sun , Jingwen Li , Qirui Ke , Zilu Ying , Junying Gan , Chaoyun Mai , Ruggero Donida Labati , Vincenzo Piuri , Fabio Scotti