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A novel algorithm for the recovery of low-rank matrices acquired via compressive linear measurements is proposed and analyzed. The algorithm, a variation on the iterative hard thresholding algorithm for low-rank recovery, is designed to…

数值分析 · 数学 2018-10-30 Simon Foucart , Srinivas Subramanian

We study the problem of estimating low-rank matrices from linear measurements (a.k.a., matrix sensing) through nonconvex optimization. We propose an efficient stochastic variance reduced gradient descent algorithm to solve a nonconvex…

机器学习 · 统计学 2017-01-17 Xiao Zhang , Lingxiao Wang , Quanquan Gu

In this paper we study the problem of recovering a low-rank matrix from a number of random linear measurements that are corrupted by outliers taking arbitrary values. We consider a nonsmooth nonconvex formulation of the problem, in which we…

信息论 · 计算机科学 2019-07-16 Xiao Li , Zhihui Zhu , Anthony Man-Cho So , Rene Vidal

Low-rank matrix estimation plays a central role in various applications across science and engineering. Recently, nonconvex formulations based on matrix factorization are provably solved by simple gradient descent algorithms with strong…

信号处理 · 电气工程与系统科学 2021-04-07 Cong Ma , Yuanxin Li , Yuejie Chi

We consider the problem of estimation of a low-rank matrix from a limited number of noisy rank-one projections. In particular, we propose two fast, non-convex \emph{proper} algorithms for matrix recovery and support them with rigorous…

机器学习 · 统计学 2017-05-23 Mohammadreza Soltani , Chinmay Hegde

We study the problem of learning mixtures of low-rank models, i.e. reconstructing multiple low-rank matrices from unlabelled linear measurements of each. This problem enriches two widely studied settings -- low-rank matrix sensing and mixed…

机器学习 · 统计学 2021-03-10 Yanxi Chen , Cong Ma , H. Vincent Poor , Yuxin Chen

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

We consider the problem of recovering low-rank matrices from random rank-one measurements, which spans numerous applications including covariance sketching, phase retrieval, quantum state tomography, and learning shallow polynomial neural…

信息论 · 计算机科学 2018-12-04 Yuanxin Li , Cong Ma , Yuxin Chen , Yuejie Chi

Recent work has demonstrated the effectiveness of gradient descent for directly recovering the factors of low-rank matrices from random linear measurements in a globally convergent manner when initialized properly. However, the performance…

信息论 · 计算机科学 2017-09-26 Yuanxin Li , Yuejie Chi , Huishuai Zhang , Yingbin Liang

This paper studies the problem of recovering a low-rank matrix from several noisy random linear measurements. We consider the setting where the rank of the ground-truth matrix is unknown a priori and use an objective function built from a…

最优化与控制 · 数学 2025-07-29 Lijun Ding , Zhen Qin , Liwei Jiang , Jinxin Zhou , Zhihui Zhu

Given the superposition of a low-rank matrix plus the product of a known fat compression matrix times a sparse matrix, the goal of this paper is to establish deterministic conditions under which exact recovery of the low-rank and sparse…

信息论 · 计算机科学 2013-10-01 Morteza Mardani , Gonzalo Mateos , Georgios B. Giannakis

We study the problem of estimating a low-rank positive semidefinite (PSD) matrix from a set of rank-one measurements using sensing vectors composed of i.i.d. standard Gaussian entries, which are possibly corrupted by arbitrary outliers.…

信息论 · 计算机科学 2016-12-21 Yuanxin Li , Yue Sun , Yuejie Chi

We revisit the inductive matrix completion problem that aims to recover a rank-$r$ matrix with ambient dimension $d$ given $n$ features as the side prior information. The goal is to make use of the known $n$ features to reduce sample and…

机器学习 · 统计学 2018-03-06 Xiao Zhang , Simon S. Du , Quanquan Gu

We study the low-rank phase retrieval problem, where we try to recover a $d_1\times d_2$ low-rank matrix from a series of phaseless linear measurements. This is a fourth-order inverse problem, as we are trying to recover factors of matrix…

信息论 · 计算机科学 2020-07-07 Kiryung Lee , Sohail Bahmani , Yonina Eldar , Justin Romberg

We establish theoretical recovery guarantees of a family of Riemannian optimization algorithms for low rank matrix recovery, which is about recovering an $m\times n$ rank $r$ matrix from $p < mn$ number of linear measurements. The…

数值分析 · 数学 2016-04-12 Ke Wei , Jian-Feng Cai , Tony F. Chan , Shingyu Leung

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

This paper considers the problem of recovery of a low-rank matrix in the situation when most of its entries are not observed and a fraction of observed entries are corrupted. The observations are noisy realizations of the sum of a low rank…

统计理论 · 数学 2016-07-05 Olga Klopp , Karim Lounici , Alexandre B. Tsybakov

We study the robust recovery of a low-rank matrix from sparsely and grossly corrupted Gaussian measurements, with no prior knowledge on the intrinsic rank. We consider the robust matrix factorization approach. We employ a robust $\ell_1$…

最优化与控制 · 数学 2021-10-27 Lijun Ding , Liwei Jiang , Yudong Chen , Qing Qu , Zhihui Zhu

We propose a unified framework for estimating low-rank matrices through nonconvex optimization based on gradient descent algorithm. Our framework is quite general and can be applied to both noisy and noiseless observations. In the general…

机器学习 · 统计学 2016-10-18 Lingxiao Wang , Xiao Zhang , Quanquan Gu

In this paper, we propose a new algorithm for recovery of low-rank matrices from compressed linear measurements. The underlying idea of this algorithm is to closely approximate the rank function with a smooth function of singular values,…

信息论 · 计算机科学 2016-11-18 Mohammadreza Malek-Mohammadi , Massoud Babaie-Zadeh , Mikael Skoglund
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