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检索条件"主题词=proximal point algorithm"
340 条 记 录,以下是51-60 订阅
排序:
A Self-adaptive proximal point algorithm for Signal Reconstruction in Compressive Sensing
A Self-adaptive Proximal Point Algorithm for Signal Reconstr...
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2016 IEEE International Conference on Signal and Image Processing
作者: Kaizhan Huai Yejun Li Mingfang Ni Zhanke Yu Xiaoguo Wang Institute of Communications Engineering PLA University of Science and Technology Xi'an Communications Institute
Compressive sensing(CS) is a new framework for simulations sensing and *** to reconstruct a sparse signal from limited measurements is the key problem in *** solving the reconstruction problem of a sparse signal, we p... 详细信息
来源: 评论
Comments on "The proximal point algorithm Revisited"
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JOURNAL OF OPTIMIZATION THEORY AND APPLICATIONS 2015年 第1期166卷 343-349页
作者: Dong, Yunda Zhengzhou Univ Sch Math & Stat Zhengzhou 450001 Peoples R China
Very recently, the author gave an upper bound on a decreasing positive sequence. And, he made use of it to improve a classical result of Br,zis and Lions concerning the proximal point algorithm for monotone inclusion ... 详细信息
来源: 评论
A proximal point algorithm for DC fuctions on Hadamard manifolds
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JOURNAL OF GLOBAL OPTIMIZATION 2015年 第4期63卷 797-810页
作者: Souza, J. C. O. Oliveira, P. R. Univ Fed Rio de Janeiro COPPE Sistemas BR-21945970 Rio De Janeiro RJ Brazil Univ Fed Piaui CEAD Teresina PI Brazil
An extension of a proximal point algorithm for difference of two convex functions is presented in the context of Riemannian manifolds of nonposite sectional curvature. If the sequence generated by our algorithm is bou... 详细信息
来源: 评论
A fast proximal point algorithm for l1-minimization problem in compressed sensing
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APPLIED MATHEMATICS AND COMPUTATION 2015年 270卷 777-784页
作者: Zhu, Yun Wu, Jian Yu, Gaohang Gannan Normal Univ Sch Phys & Elect Informat Ganzhou 341000 Peoples R China Harbin Inst Technol Shenzhen Grad Sch Sch Comp Sci & Technol Harbin Peoples R China Gannan Normal Univ Sch Math & Comp Sci Ganzhou 341000 Peoples R China
In this paper, a fast proximal point algorithm (PPA) is proposed for solving l(1)-minimization problem arising from compressed sensing. The proposed algorithm can be regarded as a new adaptive version of customized pr... 详细信息
来源: 评论
Convergence of the generalized contraction-proximal point algorithm in a Hilbert space
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OPTIMIZATION 2015年 第4期64卷 709-715页
作者: Wang, Fenghui Cui, Huanhuan Xi An Jiao Tong Univ Inst Informat & Syst Sci Xian Peoples R China Luoyang Normal Univ Dept Math Luoyang Peoples R China
We study the contraction-proximal point algorithm that has the following iterative form: where is a fixed element, is the resolvent operator and are all real sequences. The algorithm is known to converge strongly unde... 详细信息
来源: 评论
Variance Reduction Techniques for Stochastic proximal point algorithms
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JOURNAL OF OPTIMIZATION THEORY AND APPLICATIONS 2024年 第2期203卷 1910-1939页
作者: Traore, Cheik Apidopoulos, Vassilis Salzo, Saverio Villa, Silvia Univ Genoa Malga Ctr DIMA Genoa Italy Univ Genoa Malga Ctr Dibris Genoa Italy Sapienza Univ Roma Rome Italy
In the context of finite sums minimization, variance reduction techniques are widely used to improve the performance of state-of-the-art stochastic gradient methods. Their practical impact is clear, as well as their t... 详细信息
来源: 评论
Weak and strong convergence of generalized proximal point algorithms with relaxed parameters
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JOURNAL OF GLOBAL OPTIMIZATION 2023年 第4期85卷 969-1002页
作者: Hui Ouyang Univ British Columbia Math Kelowna BC V1V 1V7 Canada
In this work, we propose and study a framework of generalized proximal point algorithms associated with a maximally monotone operator. We indicate sufficient conditions on the regularization and relaxation parameters ... 详细信息
来源: 评论
Approximate Customized proximal point algorithms for Separable Convex Optimization
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Journal of the Operations Research Society of China 2023年 第2期11卷 383-408页
作者: Hong-Mei Chen Xing-Ju Cai Ling-Ling Xu School of Mathematical Sciences Nanjing Normal UniversityNanjing 210023JiangsuChina Jiangsu Key Laboratory for NSLSCS Nanjing Normal UniversityNanjing 210023JiangsuChina
proximal point algorithm(PPA)is a useful algorithm framework and has good convergence *** difficulty is that the subproblems usually only have iterative *** this paper,we propose an inexact customized PPA framework fo... 详细信息
来源: 评论
proximal point algorithms based onS-iterative technique for nearly asymptotically quasi-nonexpansive mappings and applications
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NUMERICAL algorithmS 2021年 第4期86卷 1561-1590页
作者: Sahu, D. R. Kumar, Ajeet Kang, Shin Min Banaras Hindu Univ Inst Sci Dept Math Varanasi 221005 Uttar Pradesh India Gyeongsang Natl Univ Dept Math Jinju 52828 South Korea China Med Univ Ctr Gen Educ Taichung 40402 Taiwan
In this paper, we combine theS-iteration process introduced by Agarwal et al. (J. Nonlinear Convex Anal.,8(1), 61-792007) with the proximal point algorithm introduced by Rockafellar (SIAM J. Control Optim.,14, 877-898... 详细信息
来源: 评论
Entropy-Like Minimization Methods Based On Modified proximal point algorithm
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INFOR 2014年 第3期52卷 147-156页
作者: Hamdi, Abdelouahed Bnouhachem, Abdellah Qatar Univ Dept Math Stat & Phys Doha Qatar Nanjing Univ Sch Management Sci & Engn Nanjing 210093 Jiangsu Peoples R China Ibn Zohr Univ ENSA Agadir Morocco
In this paper we introduce an extension of the proximal point algorithm proposed by Guler for solving convex minimization problems. This extension is obtained by substituting the usual quadratic proximal term by a cla... 详细信息
来源: 评论