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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
Authors:  Chang, Qianshun;  Che, Zengyan
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Image restoration  Split Bregman method  Alternating minimization method  L-1/2 norm  L-2 norm  
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
Authors:  Huang, Yakui;  Liu, Hongwei
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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  
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
Authors:  Xu, Jing;  Chang, Qian-shun
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Total variation  image restoration  level set motion  anisotropic diffusion  PSNR  
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
Authors:  Bai, Zhong-Zhi;  Huang, Yu-Mei;  Ng, Michael K.;  Yang, Xi
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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
Authors:  Shi, Yu-ying;  Chang, Qian-shun
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image restoration  Dirichlet BCs  periodic BCs  reflecting BCs  antireflective BCs  mean BCs  
A Lattice Boltzmann Method for Image Denoising 期刊论文
IEEE TRANSACTIONS ON IMAGE PROCESSING, 2009, 卷号: 18, 期号: 12, 页码: 2797-2802
Authors:  Chang, Qianshun;  Yang, Tong
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Algorithm of denoising  fast algorithm  image restoration  lattice Boltzmann method  parallel algorithm  
A Compound Algorithm of Denoising Using Second-Order and Fourth-Order Partial Differential Equations 期刊论文
NUMERICAL MATHEMATICS-THEORY METHODS AND APPLICATIONS, 2009, 卷号: 2, 期号: 4, 页码: 353-376
Authors:  Chang, Qianshun;  Tai, Xuecheng;  Xing, Lily
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Algorithm of denoising  image restoration  total variation  second-order functional  
On Nonmonotone Chambolle Gradient Projection Algorithms for Total Variation Image Restoration 期刊论文
JOURNAL OF MATHEMATICAL IMAGING AND VISION, 2009, 卷号: 35, 期号: 2, 页码: 143-154
Authors:  Yu, Gaohang;  Qi, Liqun;  Dai, Yuhong
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Image restoration  Total variation  Gradient projection  Constrained optimization  
Acceleration methods for image restoration problem with different boundary conditions 期刊论文
APPLIED NUMERICAL MATHEMATICS, 2008, 卷号: 58, 期号: 5, 页码: 602-614
Authors:  Shi, Yuying;  Chang, Qianshun
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image restoration  algebraic multigrid  fixed point method  total variation  reflecting BCs  antireflective BCs  mean BCs  
New time dependent model for image restoration 期刊论文
APPLIED MATHEMATICS AND COMPUTATION, 2006, 卷号: 179, 期号: 1, 页码: 121-134
Authors:  Shi, Yuying;  Chang, Qianshun
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image restoration  nonlinear diffusion