Search Results - "Proximal-gradient algorithm"

Convergence of Stochastic Proximal Gradient Algorithm by Rosasco, Lorenzo, Villa, Silvia, Vũ, Bằng Công

“…We study the extension of the proximal gradient algorithm where only a stochastic gradient estimate is available and a relaxation step is allowed…”
Get full text

A Proximal Gradient Algorithm for Decentralized Composite Optimization by Shi, Wei, Ling, Qing, Wu, Gang, Yin, Wotao

“…This paper proposes a decentralized algorithm for solving a consensus optimization problem defined in a static networked multi-agent system, where the local…”
Get full text

Online Learning Over Dynamic Graphs via Distributed Proximal Gradient Algorithm by Dixit, Rishabh, Bedi, Amrit Singh, Rajawat, Ketan

“…We consider the problem of tracking the minimum of a time-varying convex optimization problem over a dynamic graph. Motivated by target tracking and parameter…”
Get full text

Unmatched Preconditioning of the Proximal Gradient Algorithm by Savanier, Marion, Chouzenoux, Emilie, Pesquet, Jean-Christophe, Riddell, Cyril

“…This work addresses the resolution of penalized least-squares problems using the proximal gradient algorithm (PGA…”
Get full text

A general double-proximal gradient algorithm for d.c. programming by Banert, Sebastian, Boț, Radu Ioan

“…The possibilities of exploiting the special structure of d.c. programs, which consist of optimising the difference of convex functions, are currently more or…”
Get full text

Approximate bregman proximal gradient algorithm for relatively smooth nonconvex optimization by Takahashi, Shota, Takeda, Akiko

“…In this paper, we propose the approximate Bregman proximal gradient algorithm (ABPG) for solving composite nonconvex optimization problems…”
Get full text

On the Proximal Gradient Algorithm with Alternated Inertia by Iutzeler, Franck, Malick, Jérôme

“…In this paper, we investigate attractive properties of the proximal gradient algorithm with inertia…”
Get full text

Proximal gradient algorithm with dual momentum for robust compressive sensing MRI by Xie, Zhonghua, Liu, Lingjun, Chen, Zehong, Wang, Cheng

“…Adopting the new signal acquisition technology Compressive Sensing (CS) to Magnetic Resonance Imaging (MRI) reconstruction has been proved to be an effective…”
Get full text

Proximal gradient algorithm with trust region scheme on Riemannian manifold by Zhao, Shimin, Yan, Tao, Zhu, Yuanguo

“… We develop a Riemannian proximal gradient algorithm with a trust region scheme for the problem…”
Get full text

An accelerated preconditioned proximal gradient algorithm with a generalized Nesterov momentum for PET image reconstruction by Lin, Yizun, He, Yongxin, Schmidtlein, C Ross, Han, Deren

“…This paper presents an accelerated preconditioned proximal gradient algorithm (APPGA) for effectively solving a class of positron emission tomography…”
Get more information

A smoothing proximal gradient algorithm with extrapolation for the relaxation of ℓ0 regularization problem by Zhang, Jie, Yang, Xinmin, Li, Gaoxi, Zhang, Ke

“… (SIAM J Numer Anal 58:858–883, 2020) and propose a smoothing proximal gradient algorithm with extrapolation (SPGE…”
Get full text

A smoothing proximal gradient algorithm for matrix rank minimization problem by Yu, Quan, Zhang, Xinzhen

“…In this paper, we study the low-rank matrix minimization problem, where the loss function is convex but nonsmooth and the penalty term is defined by the…”
Get full text

Inexact proximal gradient algorithm with random reshuffling for nonsmooth optimization by Jiang, Xia, Fang, Yanyan, Zeng, Xianlin, Sun, Jian, Chen, Jie

“…Proximal gradient algorithms are popularly implemented to achieve convex optimization with nonsmooth regularization…”
Get full text

An approximation proximal gradient algorithm for nonconvex-linear minimax problems with nonconvex nonsmooth terms by He, Jiefei, Zhang, Huiling, Xu, Zi

“… In this paper, we propose an efficient approximation proximal gradient algorithm for solving a class of nonsmooth nonconvex-linear minimax problems with a nonconvex nonsmooth term, and the number…”
Get full text

Projected Nesterov's Proximal-Gradient Algorithm for Sparse Signal Recovery by Gu, Renliang, Dogandzic, Aleksandar

“…We develop a projected Nesterov's proximal-gradient (PNPG) approach for sparse signal reconstruction that combines adaptive step size with Nesterov's momentum…”
Get full text

A diagonal finite element-projection-proximal gradient algorithm for elliptic optimal control problem by Lin, Jitong, Chen, Xuesong

“… •A diagonal finite element-projection-proximal gradient algorithm for elliptic optimal control problem is proposed…”
Get full text

Multi-objective k-way parallel hypergraph partitioning with proximal gradient algorithm by Li, Yingying, Liu, Hongwei, You, Hailong, Liu, Zexian, Zhang, Fang

Get full text

Solving constrained nonsmooth group sparse optimization via group Capped-ℓ1 relaxation and group smoothing proximal gradient algorithm by Zhang, Xian, Peng, Dingtao

“…In this paper, we study the constrained group sparse regularization optimization problem, where the loss function is convex but nonsmooth, and the penalty term…”
Get full text

A proximal-gradient algorithm for crystal surface evolution by Craig, Katy, Liu, Jian-Guo, Lu, Jianfeng, Marzuola, Jeremy L., Wang, Li

“…As a counterpoint to recent numerical methods for crystal surface evolution, which agree well with microscopic dynamics but suffer from significant stiffness…”
Get full text

Adaptive accelerated proximal gradient algorithm for auto-regressive exogenous models with outliers by Ji, Xixi, Chen, Jing, Liu, Qiang, Zhu, Quanmin

“…This study introduces an enhanced recursive least-squares algorithm that applies the adaptive accelerated proximal gradient method to identify Auto-Regressive…”
Get full text