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相关论文: Multi-target Radar Detection within a Sparsity Fra…

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We are motivated by problems that arise in a number of applications such as Online Marketing and explosives detection, where the observations are usually modeled using Poisson statistics. We model each observation as a Poisson random…

统计理论 · 数学 2016-11-17 D. Motamedvaziri , M. H. Rohban , V. Saligrama

This paper presents a framework designed for the multi-object detection purposes and adjusted for the application of product search on the market shelves. The framework uses a single feedback loop and a pattern resizing mechanism to…

计算机视觉与模式识别 · 计算机科学 2015-12-31 Grzegorz Kurzejamski , Jacek Zawistowski , Grzegorz Sarwas

Advancements in Sonar image capture have enabled researchers to apply sophisticated object identification algorithms in order to locate targets of interest in images such as mines. Despite progress in this field, modern sonar automatic…

计算机视觉与模式识别 · 计算机科学 2016-01-05 John McKay , Raghu Raj , Vishal Monga , Jason Isaacs

In the area of near-field millimeter-wave imaging, the generalized sparse array synthesis (SAS) method is in great demand. The traditional methods usually employ the greedy algorithms, which may have the convergence problem. This paper…

信号处理 · 电气工程与系统科学 2022-08-10 Shuoguang Wang , Shiyong Li , Ahmad Hoorfar , Ke Miao , Guoqiang Zhao , Houjun Sun

The existence of multipath brings extra "looks" of targets. This paper considers the extended target detection problem with a narrow band Multiple-Input Multiple-Output(MIMO) radar in the presence of multipath from the view of…

信号处理 · 电气工程与系统科学 2020-09-29 Zhou Xu , Chongyi Fan , Jian Wang , Xiaotao Huang

Accurate targets detection and tracking with mmWave radar is a key sensing capability that will enable more intelligent systems, create smart, efficient, automated system. This paper proposes an end-to-end detection-estimation-track…

信号处理 · 电气工程与系统科学 2025-07-30 Jiang Zhu , Menghuai Xu , Ruohai Guo , Fangyong Wang , Guangying Zheng , Fengzhong Qu

The central problem we address in this work is estimation of the parameter support set S, the set of indices corresponding to nonzero parameters, in the context of a sparse parametric likelihood model for discrete multivariate time series.…

统计方法学 · 统计学 2025-03-07 Trevor D. Ruiz , Sharmodeep Bhattacharyya , Sarah C. Emerson

Until recently mass-mapping techniques for weak gravitational lensing convergence reconstruction have lacked a principled statistical framework upon which to quantify reconstruction uncertainties, without making strong assumptions of…

宇宙学与河外天体物理 · 物理学 2021-02-08 Matthew A. Price , Xiaohao Cai , Jason D. McEwen , Marcelo Pereyra , Thomas D. Kitching

This paper develops a new empirical Bayesian inference algorithm for solving a linear inverse problem given multiple measurement vectors (MMV) of under-sampled and noisy observable data. Specifically, by exploiting the joint sparsity across…

数值分析 · 数学 2021-03-30 Jiahui Zhang , Anne Gelb , Theresa Scarnati

The research addresses sensor task management for radar systems, focusing on efficiently searching and tracking multiple targets using reinforcement learning. The approach develops a 3D simulation environment with an active electronically…

机器学习 · 计算机科学 2025-02-20 Jan-Hendrik Ewers , David Cormack , Joe Gibbs , David Anderson

Future radar systems are expected to use waveforms of a high bandwidth, where the main advantage is an improved range resolution. In this paper, a technique to design robust wideband waveforms for a Multiple-Input-Single-Output system is…

应用统计 · 统计学 2016-11-17 Ashkan Panahi , Marie Ström , Mats Viberg

Integrated passive radar (IPR) can be regarded as next generation passive radar technology, which aims to integrate communication and radar systems. Unlike conventional passive radar, which does not prioritize communication-centric radar…

信号处理 · 电气工程与系统科学 2024-02-27 Amir Zaimbashi , Maria Sabrina Greco , Fulvio Gini

Designing unimodular waveforms with a desired beampattern, spectral occupancy and orthogonality level is of vital importance in the next generation Multiple-Input Multiple-Output (MIMO) radar systems. Motivated by this fact, in this paper,…

信号处理 · 电气工程与系统科学 2021-12-14 Ehsan Raei , Saeid Sedighi , Mohammad Alaee-Kerahroodi , M. R. Bhavani Shankar

In this paper, we introduce a new detection algorithm for large-scale wireless systems, referred to as post sparse error detection (PSED) algorithm, that employs a sparse error recovery algorithm to refine the estimate of a symbol vector…

信息论 · 计算机科学 2015-12-08 Jun Won Choi , Byonghyo Shim

Sparse recovery is widely applied in many fields, since many signals or vectors can be sparsely represented under some frames or dictionaries. Most of fast algorithms at present are based on solving $l^0$ or $l^1$ minimization problems and…

数值分析 · 数学 2019-03-06 Chong-Jun Li , Yi-Jun Zhong

In this paper, we investigate the theoretical guarantees of penalized $\lun$ minimization (also called Basis Pursuit Denoising or Lasso) in terms of sparsity pattern recovery (support and sign consistency) from noisy measurements with…

信息论 · 计算机科学 2011-09-13 Charles Dossal , Marie-Line Chabanol , Gabriel Peyré , Jalal Fadili

This paper addresses the problem of estimating sparse channels in massive MIMO-OFDM systems. Most wireless channels are sparse in nature with large delay spread. In addition, these channels as observed by multiple antennas in a neighborhood…

应用统计 · 统计学 2015-06-22 Mudassir Masood , Laila H. Afify , Tareq Y. Al-Naffouri

Signal recovery is one of the key techniques of Compressive sensing (CS). It reconstructs the original signal from the linear sub-Nyquist measurements. Classical methods exploit the sparsity in one domain to formulate the L0 norm…

信息论 · 计算机科学 2012-06-05 Yipeng Liu , Ivan Gligorijevic , Vladimir Matic , Maarten De Vos , Sabine Van Huffel

This paper is concerned with the investigation of the bistatic MIMO radar for estimating various multitarget parameters of interest in the presence of clutter and noise. The parameters of interest include Direction of Departure (DOD),…

信号处理 · 电气工程与系统科学 2024-11-08 Nadeem Dar , Athanassios Manikas

Infrared small target detection is crucial for the efficacy of infrared search and tracking systems. Current tensor decomposition methods emphasize representing small targets with sparsity but struggle to separate targets from complex…

计算机视觉与模式识别 · 计算机科学 2024-07-23 Fei Zhou , Maixia Fu , Yulei Qian , Jian Yang , Yimian Dai