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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
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  
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
作者:  Hu, Xiuling;  Chen, Shanzhen;  Chang, Qianshun
收藏  |  浏览/下载:114/0  |  提交时间:2018/07/30
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
作者:  Chang, Qianshun;  Jia, Rong-Qing
收藏  |  浏览/下载:103/0  |  提交时间:2018/07/30
Multigrid algorithms  elliptic equations  multilevel approximation  approximation conditions  smoothing conditions  finite element approximation  
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
作者:  Xu, Qiubin;  Chang, Qianshun
收藏  |  浏览/下载:121/0  |  提交时间:2018/07/30
Ginzburg-Landau equation  difference scheme  time-splitting scheme  convergence  stability  
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
作者:  Chang, Qianshun;  Yang, Tong
收藏  |  浏览/下载:92/0  |  提交时间:2018/07/30
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
作者:  Chang, Qianshun;  Tai, Xuecheng;  Xing, Lily
收藏  |  浏览/下载:93/0  |  提交时间:2018/07/30
Algorithm of denoising  image restoration  total variation  second-order functional  
Numerical computations for long-wave short-wave interaction equations in semi-classical limit 期刊论文
JOURNAL OF COMPUTATIONAL PHYSICS, 2008, 卷号: 227, 期号: 19, 页码: 8489-8507
作者:  Chang, Qianshun;  Wong, Yau-Shu;  Lin, Chi-Kun
收藏  |  浏览/下载:105/0  |  提交时间:2018/07/30
numerical methods  finite-difference schemes  long-wave short-wave interaction equations  semi-classical limit  
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
作者:  Shi, Yuying;  Chang, Qianshun
收藏  |  浏览/下载:98/0  |  提交时间:2018/07/30
image restoration  algebraic multigrid  fixed point method  total variation  reflecting BCs  antireflective BCs  mean BCs  
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
收藏  |  浏览/下载:89/0  |  提交时间:2018/07/30
deblurring  denoising  fixed point iteration  Bergman distance  Weiszfeld's method  
Conditional stability of solitary-wave solutions for generalized Boussinesq equations 期刊论文
CHAOS SOLITONS & FRACTALS, 2007, 卷号: 32, 期号: 3, 页码: 1108-1117
作者:  Zhang, Weiguo;  Feng, Liping;  Chang, Qianshun
收藏  |  浏览/下载:70/0  |  提交时间:2018/07/30