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相关论文: Low Rank Matrix Recovery for Joint Array Self-Cali…

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Conventional direction of arrival (DOA) estimation algorithms suffer from performance degradation due to antenna pattern distortion and substantial computational complexity in real-time execution. The support vector regression (SVR)…

信号处理 · 电气工程与系统科学 2021-10-20 Md Imrul Hasan , Mohammad Saquib

Accurate, high-resolution, and real-time DOA estimation is a cornerstone of environmental perception in automotive radar systems. While sparse signal recovery techniques offer super-resolution and high-precision estimation, their…

信号处理 · 电气工程与系统科学 2026-02-19 Longxin Bai , Jingchao Zhang , Liyan Qiao

We consider the recovery of a low rank and jointly sparse matrix from under sampled measurements of its columns. This problem is highly relevant in the recovery of dynamic MRI data with high spatio-temporal resolution, where each column of…

数值分析 · 计算机科学 2015-06-03 Sampurna Biswas , Sunrita Poddar , Soura Dasgupta , Raghuraman Mudumbai , Mathews Jacob

We study an estimator with a convex formulation for recovery of low-rank matrices from rank-one projections. Using initial estimates of the factors of the target $d_1\times d_2$ matrix of rank-$r$, the estimator admits a practical…

统计理论 · 数学 2021-01-12 Sohail Bahmani , Kiryung Lee

In this paper, we consider the challenge of reconstructing jointly sparse vectors from linear measurements. Firstly, we show that by utilizing the rank of the output data matrix we can reduce the problem to a full column rank case. This…

数值分析 · 数学 2019-05-28 Armenak Petrosyan , Hoang Tran , Clayton Webster

The task of reconstructing a low rank matrix from incomplete linear measurements arises in areas such as machine learning, quantum state tomography and in the phase retrieval problem. In this note, we study the particular setup that the…

信息论 · 计算机科学 2016-12-12 Holger Rauhut , Ulrich Terstiege

The truncated singular value decomposition (SVD) of the measurement matrix is the optimal solution to the_representation_ problem of how to best approximate a noisy measurement matrix using a low-rank matrix. Here, we consider the…

统计理论 · 数学 2014-04-21 Raj Rao Nadakuditi

We address the challenging problem of estimating the directions-of-arrival (DOAs) of multiple off-grid signals using a single snapshot of one-bit quantized measurements. Conventional DOA estimation methods face difficulties in tackling this…

信号处理 · 电气工程与系统科学 2025-10-23 Yunqiao Hu , Shunqiao Sun , Yimin D. Zhang

Weighted nuclear norm minimization has been recently recognized as a technique for reconstruction of a low-rank matrix from compressively sampled measurements when some prior information about the column and row subspaces of the matrix is…

信息论 · 计算机科学 2022-04-27 Hamideh Sadat Fazael Ardakani , Sajad Daei , Farzan Haddadi

Estimation of low-rank matrices is of significant interest in a range of contemporary applications. In this paper, we introduce a rank-one projection model for low-rank matrix recovery and propose a constrained nuclear norm minimization…

统计理论 · 数学 2014-12-10 T. Tony Cai , Anru Zhang

We introduce and compare new compression approaches to obtain regularized solutions of large linear systems which are commonly encountered in large scale inverse problems. We first describe how to approximate matrix vector operations with a…

数值分析 · 数学 2016-08-12 Sergey Voronin , Dylan Mikesell , Guust Nolet

Distorted sensors could occur randomly and may lead to the breakdown of a sensor array system. We consider an array model within which a small number of sensors are distorted by unknown sensor gain and phase errors. With such an array…

信号处理 · 电气工程与系统科学 2024-10-28 Huiping Huang , Qi Liu , Hing Cheung So , Abdelhak M. Zoubir

Estimating the direction of arrival (DOA) of sources is an important problem in aerospace and vehicular communication, localization and radar. In this paper, we consider a challenging multi-source DOA estimation task, where the receiving…

信号处理 · 电气工程与系统科学 2022-02-17 Tom Tirer , Oded Bialer

Recovering a large matrix from limited measurements is a challenging task arising in many real applications, such as image inpainting, compressive sensing and medical imaging, and this kind of problems are mostly formulated as low-rank…

计算机视觉与模式识别 · 计算机科学 2014-06-12 Yilun Wang , Xinhua Su

Computing eigenvalue decomposition (EVD) of a given linear operator, or finding its leading eigenvalues and eigenfunctions, is a fundamental task in many machine learning and scientific computing problems. For high-dimensional eigenvalue…

机器学习 · 计算机科学 2024-08-22 J. Jon Ryu , Xiangxiang Xu , H. S. Melihcan Erol , Yuheng Bu , Lizhong Zheng , Gregory W. Wornell

This letter proposes to estimate low-rank matrices by formulating a convex optimization problem with non-convex regularization. We employ parameterized non-convex penalty functions to estimate the non-zero singular values more accurately…

计算机视觉与模式识别 · 计算机科学 2016-04-14 Ankit Parekh , Ivan W. Selesnick

Dynamic Mode Decomposition (DMD) has emerged as a powerful tool for analyzing the dynamics of non-linear systems from experimental datasets. Recently, several attempts have extended DMD to the context of low-rank approximations. This…

机器学习 · 统计学 2018-05-18 Patrick Héas , Cédric Herzet

The low-rank matrix recovery (LMR) is a rank minimization problem subject to linear equality constraints, and it arises in many fields such as signal and image processing, statistics, computer vision, system identification and control. This…

信息论 · 计算机科学 2011-06-17 Lingchen Kong , Levent Tunçel , Naihua Xiu

Multiple-input multiple-output (MIMO) systems play an essential role in direction-of-arrival (DOA) estimation. A large number of antennas used in a MIMO system imposes a huge complexity burden on the popular DOA estimation algorithms, such…

信号处理 · 电气工程与系统科学 2023-03-16 Md Imrul Hasan , Mohammad Saquib

In this paper, we explore the problems of detecting the number of narrow-band, far-field targets and estimating their corresponding directions of arrivals (DoAs) from single snapshot measurements. We use the principles of sparse signal…

应用统计 · 统计学 2017-09-12 Rakshith Jagannath