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科研机构
数学与系统科学研究... [12]
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期刊论文 [12]
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专题:数学与系统科学研究院
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Proximal-Like Incremental Aggregated Gradient Method with Linear Convergence Under Bregman Distance Growth Conditions
期刊论文
MATHEMATICS OF OPERATIONS RESEARCH, 2021, 卷号: 46, 期号: 1, 页码: 61-81
作者:
Zhang, Hui
;
Dai, Yu-Hong
;
Guo, Lei
;
Peng, Wei
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浏览/下载:47/0
  |  
提交时间:2021/04/26
incremental aggregated gradient
linear convergence
Lipschitz-like/convexity
relative smoothness
Bregman distance growth
Smoothing quadratic regularization method for hemivariational inequalities
期刊论文
OPTIMIZATION, 2020, 页码: 24
作者:
Zhang, Yanfang
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  |  
浏览/下载:12/0
  |  
提交时间:2020/05/24
Hemivariational inequality
contact mechanics
nonmonotone
nonsmooth optimization problem
smoothing quadratic regularization
Regularized HSS iteration methods for stabilized saddle-point problems
期刊论文
IMA JOURNAL OF NUMERICAL ANALYSIS, 2019, 卷号: 39, 期号: 4, 页码: 1888-1923
作者:
Bai, Zhong-Zhi
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  |  
浏览/下载:57/0
  |  
提交时间:2020/01/10
stabilized saddle-point problem
Hermitian and skew-Hermitian splitting
stationary iteration method
inexact implementation
preconditioning
convergence
A general framework of piecewise-polynomial Mumford-Shah model for image segmentation
期刊论文
INTERNATIONAL JOURNAL OF COMPUTER MATHEMATICS, 2017, 卷号: 94, 期号: 10, 页码: 1981-1997
作者:
Chen, Chong
;
Leng, Juelin
;
Xu, Guoliang
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  |  
浏览/下载:22/0
  |  
提交时间:2018/07/30
Image segmentation
piecewise-polynomial approximation
anisotropic control
intensity heterogeneity
split Bregman iteration
11Y11
11Y16
11G20
11G99
68W20
A Nonlocal TV-Based Variational Method for PolSAR Data Speckle Reduction
期刊论文
IEEE TRANSACTIONS ON IMAGE PROCESSING, 2016, 卷号: 25, 期号: 6, 页码: 2620-2634
作者:
Nie, Xiangli
;
Qiao, Hong
;
Zhang, Bo
;
Huang, Xiayuan
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  |  
浏览/下载:17/0
  |  
提交时间:2018/07/30
Polarimetric synthetic aperture radar (PolSAR)
speckle reduction
nonlocal total variation (NLTV)
complex Wishart distribution
conjugate function
variational model
On the convergence and worst-case complexity of trust-region and regularization methods for unconstrained optimization
期刊论文
MATHEMATICAL PROGRAMMING, 2015, 卷号: 152, 期号: 1-2, 页码: 491-520
作者:
Grapiglia, Geovani N.
;
Yuan, Jinyun
;
Yuan, Ya-xiang
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  |  
浏览/下载:17/0
  |  
提交时间:2018/07/30
Global convergence
Worst-case complexity
Trust-region methods
Regularization methods
Unconstrained Optimization
Composite nonsmooth optimization
Multiobjective optimization
Recent advances in trust region algorithms
期刊论文
MATHEMATICAL PROGRAMMING, 2015, 卷号: 151, 期号: 1, 页码: 249-281
作者:
Yuan, Ya-xiang
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浏览/下载:18/0
  |  
提交时间:2018/07/30
Trust region algorithms
Nonlinear optimization
Subproblem
Complexity
Convergence
BLOCK-TRIANGULAR PRECONDITIONERS FOR SYSTEMS ARISING FROM EDGE-PRESERVING IMAGE RESTORATION
期刊论文
JOURNAL OF COMPUTATIONAL MATHEMATICS, 2010, 卷号: 28, 期号: 6, 页码: 848-863
作者:
Bai, Zhong-Zhi
;
Huang, Yu-Mei
;
Ng, Michael K.
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  |  
浏览/下载:14/0
  |  
提交时间:2018/07/30
Block system of equations
Matrix preconditioner
Edge-preserving
Image restoration
Half-quadratic regularization
Convergence of fixed point iteration for deblurring and denoising problem
期刊论文
APPLIED MATHEMATICS AND COMPUTATION, 2007, 卷号: 189, 期号: 2, 页码: 1178-1185
作者:
Shi, Yuying
;
Chang, Qianshun
;
Xu, Jing
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  |  
浏览/下载:7/0
  |  
提交时间:2018/07/30
deblurring
denoising
fixed point iteration
Bergman distance
Weiszfeld's method
Frozen landweber iteration for nonlinear ill-posed problems
期刊论文
ACTA MATHEMATICAE APPLICATAE SINICA-ENGLISH SERIES, 2007, 卷号: 23, 期号: 2, 页码: 329-336
作者:
Xu, J.
;
Han, B.
;
Li, L.
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  |  
浏览/下载:11/0
  |  
提交时间:2018/07/30
ill-posed problem
regularization
Landweber iteration
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