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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  
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
Authors:  Chang, Qianshun;  Che, Zengyan
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Fourth-Order Compact Difference Schemes for 1D Nonlinear Kuramoto-Tsuzuki Equation 期刊论文
NUMERICAL METHODS FOR PARTIAL DIFFERENTIAL EQUATIONS, 2015, 卷号: 31, 期号: 6, 页码: 2080-2109
Authors:  Hu, Xiuling;  Chen, Shanzhen;  Chang, Qianshun
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compact difference scheme  convergence  Kuramoto-Tsuzuki equation  Neumann boundary conditions  priori estimates  
A refined convergence analysis of multigrid algorithms for elliptic equations 期刊论文
ANALYSIS AND APPLICATIONS, 2015, 卷号: 13, 期号: 3, 页码: 255-290
Authors:  Chang, Qianshun;  Jia, Rong-Qing
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Multigrid algorithms  elliptic equations  multilevel approximation  approximation conditions  smoothing conditions  finite element approximation  
thealgorithmsaboutfastnonlocalmeansbasedimagedenoising 期刊论文
actamathematicaeapplicataesinica, 2012, 卷号: 028, 期号: 002, 页码: 247
Authors:  Xing Lili;  Chang Qianshun;  Qiao Tiantian
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Difference Methods for Computing the Ginzburg-Landau Equation in Two Dimensions 期刊论文
NUMERICAL METHODS FOR PARTIAL DIFFERENTIAL EQUATIONS, 2011, 卷号: 27, 期号: 3, 页码: 507-528
Authors:  Xu, Qiubin;  Chang, Qianshun
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Ginzburg-Landau equation  difference scheme  time-splitting scheme  convergence  stability  
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
Authors:  Chang QianShun;  Tai XueCheng;  Xing Lili
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image denoising  total variation  Stokes equation  algebraic multigrid method  
newtimedependentpretreatmodelsbasedontotalvariationalimagerestoration 期刊论文
actamathematicaeapplicataesinica, 2011, 卷号: 027, 期号: 001, 页码: 129
Authors:  Xu Jing;  Chang Qianshun
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newnumericalmethodsforthecouplednonlinearschrodingerequations 期刊论文
actamathematicaeapplicataesinica, 2010, 卷号: 000, 期号: 002, 页码: 205
Authors:  Xu Qiubin;  Chang Qianshun
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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