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Isogeometric finite element approximation of minimal surfaces based on extended loop subdivision 期刊论文
JOURNAL OF COMPUTATIONAL PHYSICS, 2017, 卷号: 343, 页码: 324-339
作者:  Pan, Qing;  Chen, Chong;  Xu, Guoliang
收藏  |  浏览/下载:147/0  |  提交时间:2018/07/30
Extended loop subdivision  Isogeometric analysis  Error estimates  Minimal surfaces  
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
收藏  |  浏览/下载:163/0  |  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 new linearized split Bregman iterative algorithm for image reconstruction in sparse-view X-ray computed tomography 期刊论文
COMPUTERS & MATHEMATICS WITH APPLICATIONS, 2016, 卷号: 71, 期号: 8, 页码: 1537-1559
作者:  Chen, Chong;  Xu, Guoliang
收藏  |  浏览/下载:139/0  |  提交时间:2018/07/30
Linearized split Bregman iteration  Compressed sensing  Robust image reconstruction  Sparse views  X-ray computed tomography  
Isogeometric analysis based on extended Catmull-Clark subdivision 期刊论文
COMPUTERS & MATHEMATICS WITH APPLICATIONS, 2016, 卷号: 71, 期号: 1, 页码: 105-119
作者:  Pan, Qing;  Xu, Guoliang;  Xu, Gang;  Zhang, Yongjie
收藏  |  浏览/下载:128/0  |  提交时间:2018/07/30
Catmull-Clark subdivision  Isogeometric analysis  Computer Aided Design  Finite element analysis  
Localized discrete Laplace-Beltrami operator over triangular mesh 期刊论文
COMPUTER AIDED GEOMETRIC DESIGN, 2015, 卷号: 39, 页码: 67-82
作者:  Li, Xinge;  Xu, Guoliang;  Zhang, Yongjie Jessica
收藏  |  浏览/下载:129/0  |  提交时间:2018/07/30
Laplace-Beltrami operator  Surface triangulation  Discretization  Convergence