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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
收藏  |  浏览/下载：181/0  |  提交时间：2020/01/10
stabilized saddle-point problem  Hermitian and skew-Hermitian splitting  stationary iteration method  inexact implementation  preconditioning  convergence  
An adaptive algorithm for TV-based model of three norms L-q(q=1/2, 1, 2) in image restoration 期刊论文
APPLIED MATHEMATICS AND COMPUTATION, 2018, 卷号: 329, 页码: 251-265
作者:  Chang, Qianshun;  Che, Zengyan
收藏  |  浏览/下载：124/0  |  提交时间：2018/07/30
Image restoration  Split Bregman method  Alternating minimization method  L-1/2 norm  L-2 norm  
Modulus-based iterative methods for constrained Tikhonov regularization 期刊论文
JOURNAL OF COMPUTATIONAL AND APPLIED MATHEMATICS, 2017, 卷号: 319, 页码: 1-13
作者:  Bai, Zhong-Zhi;  Buccini, Alessandro;  Hayami, Ken;  Reichel, Lothar;  Yin, Jun-Feng;  Zheng, Ning
收藏  |  浏览/下载：102/0  |  提交时间：2018/07/30
Discrete ill-posed problem  Regularization method  Constrained minimization  
Smoothing projected Barzilai-Borwein method for constrained non-Lipschitz optimization 期刊论文
COMPUTATIONAL OPTIMIZATION AND APPLICATIONS, 2016, 卷号: 65, 期号: 3, 页码: 671-698
作者:  Huang, Yakui;  Liu, Hongwei
收藏  |  浏览/下载：145/0  |  提交时间：2018/07/30
Smoothing projected Barzilai-Borwein algorithm  Constrained non-Lipschitz optimization  Nonsmooth nonconvex optimization  Smoothing approximation  l(2)-l(p) problem  Image restoration  Stochastic linear complementarity problem  
A smoothing SQP framework for a class of composite minimization over polyhedron 期刊论文
MATHEMATICAL PROGRAMMING, 2016, 卷号: 158, 期号: 1-2, 页码: 467-500
作者:  Liu, Ya-Feng;  Ma, Shiqian;  Dai, Yu-Hong;  Zhang, Shuzhong
收藏  |  浏览/下载：136/0  |  提交时间：2018/07/30
Composite L-q minimization  epsilon-KKT point  Nonsmooth nonconvex non-Lipschitzian optimization  Optimality condition  Smoothing approximation  Worst-case iteration complexity  
Application of splitting scheme and multigrid method for TV-Stokes denoising 期刊论文
SCIENCE CHINA-INFORMATION SCIENCES, 2011, 卷号: 54, 期号: 4, 页码: 745-756
作者:  Chang QianShun;  Tai XueCheng;  Xing Lili
收藏  |  浏览/下载：100/0  |  提交时间：2018/07/30
image denoising  total variation  Stokes equation  algebraic multigrid method  
New time dependent pretreat models based on total variational image restoration 期刊论文
ACTA MATHEMATICAE APPLICATAE SINICA-ENGLISH SERIES, 2011, 卷号: 27, 期号: 1, 页码: 129-140
作者:  Xu, Jing;  Chang, Qian-shun
收藏  |  浏览/下载：115/0  |  提交时间：2018/07/30
Total variation  image restoration  level set motion  anisotropic diffusion  PSNR  
newtimedependentpretreatmodelsbasedontotalvariationalimagerestoration 期刊论文
actamathematicaeapplicataesinica, 2011, 卷号: 027, 期号: 001, 页码: 129
作者:  Xu Jing;  Chang Qianshun
收藏  |  浏览/下载：98/0  |  提交时间：2020/01/10
Preconditioned Iterative Methods for Algebraic Systems from Multiplicative Half-Quadratic Regularization Image Restorations 期刊论文
NUMERICAL MATHEMATICS-THEORY METHODS AND APPLICATIONS, 2010, 卷号: 3, 期号: 4, 页码: 461-474
作者:  Bai, Zhong-Zhi;  Huang, Yu-Mei;  Ng, Michael K.;  Yang, Xi
收藏  |  浏览/下载：105/0  |  提交时间：2018/07/30
Edge-preserving  image restoration  multiplicative half-quadratic regularization  Newton method  preconditioned conjugate gradient method  constraint preconditioner  eigenvalue bounds  
New model for image restoration with different boundary conditions 期刊论文
ACTA MATHEMATICAE APPLICATAE SINICA-ENGLISH SERIES, 2010, 卷号: 26, 期号: 3, 页码: 369-380
作者:  Shi, Yu-ying;  Chang, Qian-shun
收藏  |  浏览/下载：83/0  |  提交时间：2018/07/30
image restoration  Dirichlet BCs  periodic BCs  reflecting BCs  antireflective BCs  mean BCs