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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:139/0  |  提交时间:2022/04/02
X-ray transform  intersection length  projection matrix  non-vanishing intersectability  ambiguity and flexibility  tomographic image reconstruction  
Image reconstruction through metamorphosis 期刊论文
Inverse Problems, 2020, 卷号: 36, 期号: 2
作者:  Gris,Barbara;  Chen,Chong;  ?ktem,Ozan
收藏  |  浏览/下载:153/0  |  提交时间: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
作者:  Chen, Chong;  Gris, Barbara;  Oktem, Ozan
收藏  |  浏览/下载:141/0  |  提交时间:2020/09/23
spatiotemporal imaging  image reconstruction  motion estimation  joint variational model  shape theory  large diffeomorphic deformations  
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
作者:  Chen, Chong;  Oktem, Ozan
收藏  |  浏览/下载:164/0  |  提交时间:2018/07/30
indirect image registration  shape theory  large deformations  diffeomorphisms  shape regularization  image reconstruction  tomography  
Shape-based image reconstruction using linearized deformations 期刊论文
Inverse Problems, 2017, 卷号: 33, 期号: 3
作者:  ?ktem,Ozan;  Chen,Chong;  Onur Domani?,Nevzat;  Ravikumar,Pradeep;  Bajaj,Chandrajit
收藏  |  浏览/下载:141/0  |  提交时间:2018/07/30
tomography  image reconstruction  indirect image matching  computational anatomy  shape analysis  inverse problems  
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  
On direct methods for time-limited signal and image reconstruction and enhancement 期刊论文
INTERNATIONAL JOURNAL OF WAVELETS MULTIRESOLUTION AND INFORMATION PROCESSING, 2007, 卷号: 5, 期号: 1, 页码: 51-68
作者:  Wang, Yanfei;  Wen, Zaiwen;  Nashed, Zuhair;  Sun, Qiyu
收藏  |  浏览/下载:139/0  |  提交时间:2018/07/30
signal reconstruction  discrete Fourier transform  singular value decomposition  signal and image enhancement  
A trust region-CG algorithm for deblurring problem in atmospheric image reconstruction 期刊论文
SCIENCE IN CHINA SERIES A-MATHEMATICS PHYSICS ASTRONOMY, 2002, 卷号: 45, 期号: 6, 页码: 731-740
作者:  Wang, YF;  Yuan, YX;  Zhang, HC
收藏  |  浏览/下载:148/0  |  提交时间:2018/07/30
image reconstruction  ill-posed problems  truncated CG  trust region