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Point cloud surface segmentation based on volumetric eigenfunctions of the Laplace-Beltrami operator 期刊论文
COMPUTER AIDED GEOMETRIC DESIGN, 2019, 卷号: 71, 页码: 157-175
作者:  Li, Xinge;  Zhang, Yongjie Jessica;  Yang, Xuyang;  Xu, Haibo;  Xu, Guoliang
收藏  |  浏览/下载:148/0  |  提交时间:2020/01/10
Point cloud surface  Segmentation  Level set form of Laplace-Beltrami operator  Volumetric eigenfunction  Split Bregman iteration  
Isogeometric analysis of minimal surfaces on the basis of extended Catmull-Clark subdivision 期刊论文
COMPUTER METHODS IN APPLIED MECHANICS AND ENGINEERING, 2018, 卷号: 337, 页码: 128-149
作者:  Pan, Qing;  Rabczuk, Timon;  Chen, Chong;  Xu, Guoliang;  Pan, Kejia
收藏  |  浏览/下载:149/0  |  提交时间:2018/07/30
Isogeometric analysis  Extended Catmull-Clark subdivision  Error estimation  Minimal surfaces  
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:111/0  |  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:119/0  |  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:112/0  |  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:99/0  |  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:105/0  |  提交时间:2018/07/30
Laplace-Beltrami operator  Surface triangulation  Discretization  Convergence  
Single-particle reconstruction using L-2-gradient flow 期刊论文
JOURNAL OF STRUCTURAL BIOLOGY, 2011, 卷号: 176, 期号: 3, 页码: 259-267
作者:  Li, Ming;  Xu, Guoliang;  Sorzano, Carlos O. S.;  Sun, Fei;  Bajaj, Chandrajit L.
收藏  |  浏览/下载:105/0  |  提交时间:2018/07/30
L-2-gradient flow  Reconstruction Electron microscopy  Single-particle analysis  
An Algebraic Spline Model of Molecular Surfaces for Energetic Computations 期刊论文
IEEE-ACM TRANSACTIONS ON COMPUTATIONAL BIOLOGY AND BIOINFORMATICS, 2011, 卷号: 8, 期号: 6, 页码: 1458-1467
作者:  Zhao, Wenqi;  Xu, Guoliang;  Bajaj, Chandrajit
收藏  |  浏览/下载:138/0  |  提交时间:2018/07/30
Polynomial splines  molecular surfaces  prismatic scaffolds  Bernstein-Bezier basis  solvation energetics  error bounds  rate of convergence  
INVERSION OF ELECTRON TOMOGRAPHY IMAGES USING L-2-GRADIENT FLOWS - COMPUTATIONAL METHODS 期刊论文
JOURNAL OF COMPUTATIONAL MATHEMATICS, 2011, 卷号: 29, 期号: 5, 页码: 501-525
作者:  Xu, Guoliang;  Li, Ming;  Gopinath, Ajay;  Bajaj, Chandrajit L.
收藏  |  浏览/下载:104/0  |  提交时间:2018/07/30
Computational Inversion  Reconstruction  Electric Tomography