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Subdivision based isogeometric analysis for geometric flows 期刊论文
INTERNATIONAL JOURNAL FOR NUMERICAL METHODS IN ENGINEERING, 2021, 页码: 24
作者:  Pan, Qing;  Rabczuk, Timon;  Chen, Chong
收藏  |  浏览/下载:112/0  |  提交时间:2022/04/02
extended Loop subdivision  geometric flows  isogeometric analysis  
Phase retrieval from the norms of affine transformations 期刊论文
ADVANCES IN APPLIED MATHEMATICS, 2021, 卷号: 130, 页码: 20
作者:  Huang, Meng;  Xu, Zhiqiang
收藏  |  浏览/下载:103/0  |  提交时间:2021/10/26
Phase retrieval  Determinant variety  Matrix recovery  
An efficient algorithm to compute the X-ray transform 期刊论文
INTERNATIONAL JOURNAL OF COMPUTER MATHEMATICS, 2021, 页码: 19
作者:  Chen, Chong;  Wang, Runqian;  Bajaj, Chandrajit;  Oktem, Ozan
收藏  |  浏览/下载:102/0  |  提交时间:2022/04/02
X-ray transform  intersection length  projection matrix  non-vanishing intersectability  ambiguity and flexibility  tomographic image reconstruction  
Hybrid Regularized Cone-Beam Reconstruction for Axially Symmetric Object Tomography 期刊论文
ACTA MATHEMATICA SCIENTIA, 2021, 页码: 17
作者:  Li, Xinge;  Wei, Suhua;  Xu, Haibo;  Chen, Chong
收藏  |  浏览/下载:105/0  |  提交时间:2022/04/02
high-energy X-ray radiography  cone-beam global reconstruction  inverse problem  total variation  alternating proximal gradient method  
Bounds on antipodal spherical designs with few angles 期刊论文
ELECTRONIC JOURNAL OF COMBINATORICS, 2021, 卷号: 28, 期号: 3, 页码: 21
作者:  Xu, Zhiqiang;  Xu, Zili;  Yu, Wei-Hsuan
收藏  |  浏览/下载:108/0  |  提交时间:2021/10/26
Subset selection for matrices with fixed blocks 期刊论文
ISRAEL JOURNAL OF MATHEMATICS, 2021, 页码: 26
作者:  Xie, Jiaxin;  Xu, Zhiqiang
收藏  |  浏览/下载:133/0  |  提交时间:2021/10/26
The minimizers of the p-frame potential 期刊论文
APPLIED AND COMPUTATIONAL HARMONIC ANALYSIS, 2021, 卷号: 52, 页码: 366-379
作者:  Xu, Zhiqiang;  Xu, Zili
收藏  |  浏览/下载:134/0  |  提交时间:2021/04/26
Frame potential  Tight frames  Spherical designs  
Almost everywhere injectivity conditions for the matrix recovery problem 期刊论文
APPLIED AND COMPUTATIONAL HARMONIC ANALYSIS, 2021, 卷号: 50, 页码: 386-400
作者:  Rong, Yi;  Wang, Yang;  Xu, Zhiqiang
收藏  |  浏览/下载:153/0  |  提交时间:2021/01/14
Low-rank matrix recovery  Determinant variety  Rank minimization  Compressed sensing  
The recovery of complex sparse signals from few phaseless measurements 期刊论文
APPLIED AND COMPUTATIONAL HARMONIC ANALYSIS, 2021, 卷号: 50, 页码: 1-15
作者:  Xia, Yu;  Xu, Zhiqiang
收藏  |  浏览/下载:170/0  |  提交时间:2021/01/14
Almost everywhere generalized phase retrieval 期刊论文
APPLIED AND COMPUTATIONAL HARMONIC ANALYSIS, 2021, 卷号: 50, 页码: 16-33
作者:  Huang, Meng;  Rong, Yi;  Wang, Yang;  Xu, Zhiqiang
收藏  |  浏览/下载:159/0  |  提交时间:2021/01/14
Frames  Phase retrieval