Zobrazeno 1 - 10
of 61
pro vyhledávání: '"Yiqiu Dong"'
Publikováno v:
SIAM/ASA Journal on Uncertainty Quantification. 11:31-61
In this work, we describe a Bayesian framework for reconstructing the boundaries of piecewise smooth regions in the X-ray computed tomography (CT) problem in an infinite-dimensional setting. In addition to the reconstruction, we are also able to quan
Publikováno v:
Uribe, F, Bardsley, J M, Dong, Y, Hansen, P C & Riis, N A B 2022, ' A Hybrid Gibbs Sampler for Edge-Preserving Tomographic Reconstruction with Uncertain View Angles ', SIAM-ASA Journal on Uncertainty Quantification, vol. 10, no. 3, pp. 1293-1320 . https://doi.org/10.1137/21M1412268
In computed tomography, data consist of measurements of the attenuation of X-rays passing through an object. The goal is to reconstruct the linear attenuation coeficient of the object's interior. For each position of the X-ray source, characterized b
Publikováno v:
Iranian Journal of Science and Technology, Transactions A: Science. 46:1283-1294
Publikováno v:
Lecture Notes in Computer Science ISBN: 9783031319747
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::1c926f7592c8be6f13e13730c2b47d09
https://doi.org/10.1007/978-3-031-31975-4_9
https://doi.org/10.1007/978-3-031-31975-4_9
Publikováno v:
Journal of Computational Mathematics.
Publikováno v:
SIAM Journal on Scientific Computing; 2023, Vol. 45 Issue 3, pB337-B365, 29p
Publikováno v:
Journal of Mathematical Imaging and Vision. 63:133-143
We propose a new model and a corresponding iterative algorithm for Computed Tomography (CT) when the view angles are uncertain. The uncertainty is described by an additive model discrepancy term which is included in the data fidelity term of a total
Publikováno v:
IEEE Signal Processing Letters. 27:1635-1639
Cauchy noise, as a typical non-Gaussian noise, appears frequently in many important fields, such as radar, medical, and biomedical imaging. In this letter, we focus on image recovery under Cauchy noise. Instead of the celebrated total variation or lo
Autor:
Martin Lauritzen, Reena Murmu Nielsen, Micael Lønstrup, Jingshi Hu, Birger Brodin, Jonas C. Fordsmann, Changsi Cai, Hans Christian Cederberg Helms, Stefan Andreas Zambach, Bjørn Olav Hald, Yiqiu Dong
Publikováno v:
Proc Natl Acad Sci U S A
Zambach, S A, Cai, C, Helms, H C C, Hald, B O, Dong, Y, Fordsmann, J C, Nielsen, R M, Hu, J, Lønstrup, M, Brodin, B & Lauritzen, M J 2021, ' Precapillary sphincters and pericytes at first-order capillaries as key regulators for brain capillary perfusion ', Proceedings of the National Academy of Sciences of the United States of America, vol. 118, no. 26, e2023749118 . https://doi.org/10.1073/pnas.2023749118
Zambach, S A, Cai, C, Helms, H C C, Hald, B O, Dong, Y, Fordsmann, J C, Nielsen, R M, Hu, J, Lønstrup, M, Brodin, B & Lauritzen, M J 2021, ' Precapillary sphincters and pericytes at first-order capillaries as key regulators for brain capillary perfusion ', Proceedings of the National Academy of Sciences of the United States of America, vol. 118, no. 26, e2023749118 . https://doi.org/10.1073/pnas.2023749118
Rises in local neural activity trigger local increases of cerebral blood flow, which is essential to match local energy demands. However, the specific location of microvascular flow control is incompletely understood. Here, we used two-photon microsc
Publikováno v:
Mei, J J, Dong, Y & Huang, T Z 2019, ' Simultaneous image fusion and denoising by using fractional-order gradient information ', Journal of Computational and Applied Mathematics, vol. 351, pp. 212-227 . https://doi.org/10.1016/j.cam.2018.11.012
Image fusion and denoising are significant in image processing because of the availability of multi-sensor and the presence of the noise. The first-order and second-order gradient information have been effectively applied to deal with fusing the nois