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检索条件"主题词=Block-iterative algorithm"
7 条 记 录,以下是1-10 订阅
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Space-time finite element procedure with block-iterative algorithm for dam-reservoir-soil interaction during earthquake loading
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INTERNATIONAL JOURNAL FOR NUMERICAL METHODS IN ENGINEERING 2019年 第3期120卷 263-282页
作者: Sharma, Vikas Fujisawa, Kazunori Murakami, Akira Kyoto Univ Grad Sch Agr Kyoto 6068502 Japan Kyoto Univ Grad Sch Agr Sakyo Ku Kitashirakawa Oiwake Cho Kyoto 6068502 Japan
This paper presents a time-discontinuous Galerkin space-time finite element method for the seismic analysis of dam-reservoir-soil system. For the reservoir domain an auxiliary variable q, a first-order time derivative... 详细信息
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Improved SAGE algorithm for PET image reconstruction using rescaled block-iterative method
Improved SAGE algorithm for PET image reconstruction using r...
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26th Annual International Conference of the IEEE-Engineering-in-Medicine-and-Biology-Society
作者: Zhu, HQ Zhou, J Shu, HZ Li, SY Luo, LM Southeast Univ Dept Biol Sci & Med Engn Nanjing 210096 Peoples R China
iterative reconstruction methods such as the expectation maximization maximum likelihood (EMML) method can be accelerated by using a resealed block-iterative (RBI) algorithm. It was demonstrated that the space-alterna... 详细信息
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Asynchronous block-iterative primal-dual decomposition methods for monotone inclusions
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MATHEMATICAL PROGRAMMING 2018年 第1-2期168卷 645-672页
作者: Combettes, Patrick L. Eckstein, Jonathan UPMC Univ Paris 06 Lab Jacques Louis Lions CNRS UMR 7598 F-75005 Paris France Rutgers State Univ Dept Managemement Sci & Informat Syst Piscataway NJ 08854 USA Rutgers State Univ RUTCOR Piscataway NJ 08854 USA
We propose new primal-dual decomposition algorithms for solving systems of inclusions involving sums of linearly composed maximally monotone operators. The principal innovation in these algorithms is that they are blo... 详细信息
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A decomposition method for solving multicommodity network equilibria
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OPERATIONS RESEARCH LETTERS 2022年 第1期50卷 40-44页
作者: Bui, Minh N. North Carolina State Univ Dept Math Raleigh NC 27695 USA
We consider the numerical aspect of the multicommodity network equilibrium problem proposed by Rockafellar in 1995. Our method relies on the flexible monotone operator splitting framework recently proposed by Combette... 详细信息
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Parallel block-iterative Reconstruction algorithms for Binary Tomography
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Electronic Notes in Discrete Mathematics 2005年 20卷 263-280页
作者: Capricelli, Thomas D. Combettes, Patrick L. Laboratoire Jacques-Louis Lions Université Pierre et Marie Curie - Paris 6 75005 Paris France
A convex programming approach to binary tomographic image reconstruction in noisy environments is proposed. Conventional constraints are mixed with new constraints on the sinogram. A convex objective is then minimized... 详细信息
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A Variational Inequality Model for Learning Neural Networks  48
A Variational Inequality Model for Learning Neural Networks
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48th IEEE International Conference on Acoustics, Speech and Signal Processing, ICASSP 2023
作者: Combettes, Patrick L. Pesquet, Jean-Christophe Repetti, Audrey North Carolina State University Department of Mathematics Raleigh United States Unversité Paris-Saclay Centre de Vision Numérique CentraleSupélec Inria Gif sur Yvette France Heriot-Watt University Maxwell Inst. for Mathematical Sciences Inst. of Sensors Signals and Systems Edinburgh United Kingdom
Neural networks have become ubiquitous tools for solving signal and image processing problems, and they often outperform standard approaches. Nevertheless, training the layers of a neural network is a challenging task... 详细信息
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Multivariate Monotone Inclusions in Saddle Form
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MATHEMATICS OF OPERATIONS RESEARCH 2022年 第2期47卷 1082-1109页
作者: Bui, Minh N. Combettes, Patrick L. North Carolina State Univ Dept Math Raleigh NC 27695 USA
We propose a novel approach to monotone operator splitting based on the notion of a saddle operator. Under investigation is a highly structured multivariate monotone inclusion problem involving a mix of set-valued, co... 详细信息
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