Výsledky vyhľadávania - "proximal gradient algorithm"

Convergence of Stochastic Proximal Gradient Algorithm Autor 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…”
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A Proximal Gradient Algorithm for Decentralized Composite Optimization Autor 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…”
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Online Learning Over Dynamic Graphs via Distributed Proximal Gradient Algorithm Autor 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…”
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Unmatched Preconditioning of the Proximal Gradient Algorithm Autor 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…”
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A general double-proximal gradient algorithm for d.c. programming Autor 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…”
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Approximate bregman proximal gradient algorithm for relatively smooth nonconvex optimization Autor Takahashi, Shota, Takeda, Akiko

“…In this paper, we propose the approximate Bregman proximal gradient algorithm (ABPG) for solving composite nonconvex optimization problems…”
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On the Proximal Gradient Algorithm with Alternated Inertia Autor Iutzeler, Franck, Malick, Jérôme

“…In this paper, we investigate attractive properties of the proximal gradient algorithm with inertia…”
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Proximal gradient algorithm with dual momentum for robust compressive sensing MRI Autor 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…”
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Proximal gradient algorithm with trust region scheme on Riemannian manifold Autor Zhao, Shimin, Yan, Tao, Zhu, Yuanguo

“… We develop a Riemannian proximal gradient algorithm with a trust region scheme for the problem…”
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An accelerated preconditioned proximal gradient algorithm with a generalized Nesterov momentum for PET image reconstruction Autor 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…”
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A smoothing proximal gradient algorithm with extrapolation for the relaxation of ℓ0 regularization problem Autor 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…”
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A smoothing proximal gradient algorithm for matrix rank minimization problem Autor 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…”
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Inexact proximal gradient algorithm with random reshuffling for nonsmooth optimization Autor Jiang, Xia, Fang, Yanyan, Zeng, Xianlin, Sun, Jian, Chen, Jie

“…Proximal gradient algorithms are popularly implemented to achieve convex optimization with nonsmooth regularization…”
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An approximation proximal gradient algorithm for nonconvex-linear minimax problems with nonconvex nonsmooth terms Autor 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…”
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Projected Nesterov's Proximal-Gradient Algorithm for Sparse Signal Recovery Autor 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…”
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A diagonal finite element-projection-proximal gradient algorithm for elliptic optimal control problem Autor Lin, Jitong, Chen, Xuesong

“… •A diagonal finite element-projection-proximal gradient algorithm for elliptic optimal control problem is proposed…”
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Multi-objective k-way parallel hypergraph partitioning with proximal gradient algorithm Autor Li, Yingying, Liu, Hongwei, You, Hailong, Liu, Zexian, Zhang, Fang

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Solving constrained nonsmooth group sparse optimization via group Capped-ℓ1 relaxation and group smoothing proximal gradient algorithm Autor 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…”
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A proximal-gradient algorithm for crystal surface evolution Autor 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…”
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Adaptive accelerated proximal gradient algorithm for auto-regressive exogenous models with outliers Autor 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…”
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