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Image reconstruction through metamorphosis 期刊论文
Inverse Problems, 2020, 卷号: 36, 期号: 2
Authors:  Gris,Barbara;  Chen,Chong;  ?ktem,Ozan
Favorite  |  View/Download:30/0  |  Submit date:2020/03/10
inverse problems  image reconstruction  large deformations  metamorphosis  
A New Variational Model for Joint Image Reconstruction and Motion Estimation in Spatiotemporal Imaging 期刊论文
SIAM JOURNAL ON IMAGING SCIENCES, 2019, 卷号: 12, 期号: 4, 页码: 1686-1719
Authors:  Chen, Chong;  Gris, Barbara;  Oktem, Ozan
Favorite  |  View/Download:18/0  |  Submit date:2020/09/23
spatiotemporal imaging  image reconstruction  motion estimation  joint variational model  shape theory  large diffeomorphic deformations  
A new accelerated alternating minimization method for analysis sparse recovery 期刊论文
SIGNAL PROCESSING, 2018, 卷号: 145, 页码: 167-174
Authors:  Xie, Jiaxin;  Liao, Anping;  Lei, Yuan
Favorite  |  View/Download:34/0  |  Submit date:2018/07/30
Compressed sensing  Moreau proximal smoothing  Accelerated alternating minimization  Sparse recovery  Total variation  
Indirect Image Registration with Large Diffeomorphic Deformations 期刊论文
SIAM JOURNAL ON IMAGING SCIENCES, 2018, 卷号: 11, 期号: 1, 页码: 575-617
Authors:  Chen, Chong;  Oktem, Ozan
Favorite  |  View/Download:29/0  |  Submit date:2018/07/30
indirect image registration  shape theory  large deformations  diffeomorphisms  shape regularization  image reconstruction  tomography  
CP-P Stokes finite element pair on sub-hexahedron tetrahedral grids 期刊论文
CALCOLO, 2017, 卷号: 54, 期号: 4, 页码: 1403-1417
Authors:  Zhang, Shangyou;  Zhang, Shuo
View  |  Adobe PDF(1589Kb)  |  Favorite  |  View/Download:209/30  |  Submit date:2018/07/23
Stokes problem  Mixed finite element  Continuous quadratic velocity  Discontinuous pressure  Hexahedral grid  Tetrahedral grid  
Shape-based image reconstruction using linearized deformations 期刊论文
Inverse Problems, 2017, 卷号: 33, 期号: 3
Authors:  ?ktem,Ozan;  Chen,Chong;  Onur Domani?,Nevzat;  Ravikumar,Pradeep;  Bajaj,Chandrajit
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tomography  image reconstruction  indirect image matching  computational anatomy  shape analysis  inverse problems  
Efficient Fisher Discrimination Dictionary Learning 期刊论文
SIGNAL PROCESSING, 2016, 卷号: 128, 页码: 28-39
Authors:  Jiang, Rui;  Qiao, Hong;  Zhang, Bo
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Fisher discrimination dictionary learning  Nesterov's accelerated gradient method  Face recognition  Domain adaptation  
A smoothing SQP framework for a class of composite minimization over polyhedron 期刊论文
MATHEMATICAL PROGRAMMING, 2016, 卷号: 158, 期号: 1-2, 页码: 467-500
Authors:  Liu, Ya-Feng;  Ma, Shiqian;  Dai, Yu-Hong;  Zhang, Shuzhong
Favorite  |  View/Download:22/0  |  Submit date:2018/07/30
Composite L-q minimization  epsilon-KKT point  Nonsmooth nonconvex non-Lipschitzian optimization  Optimality condition  Smoothing approximation  Worst-case iteration complexity  
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
Authors:  Chen, Chong;  Xu, Guoliang
Favorite  |  View/Download:14/0  |  Submit date:2018/07/30
Linearized split Bregman iteration  Compressed sensing  Robust image reconstruction  Sparse views  X-ray computed tomography  
On direct methods for time-limited signal and image reconstruction and enhancement 期刊论文
Authors:  Wang, Yanfei;  Wen, Zaiwen;  Nashed, Zuhair;  Sun, Qiyu
Favorite  |  View/Download:16/0  |  Submit date:2018/07/30
signal reconstruction  discrete Fourier transform  singular value decomposition  signal and image enhancement