High‐quality initial image‐guided 4D CBCT reconstruction

S Zhi, M Kachelrieß, X Mou - Medical physics, 2020 - Wiley Online Library
Purpose Four‐dimensional cone‐beam computed tomography (4D CBCT) has been
developed to provide a sequence of phase‐resolved reconstructions in image‐guided …

Investigation of iterative image reconstruction in low-dose breast CT

J Bian, K Yang, JM Boone, X Han… - Physics in Medicine & …, 2014 - iopscience.iop.org
There is interest in developing computed tomography (CT) dedicated to breast-cancer
imaging. Because breast tissues are radiation-sensitive, the total radiation exposure in a …

Deriving adaptive MRF coefficients from previous normal‐dose CT scan for low‐dose image reconstruction via penalized weighted least‐squares minimization

H Zhang, H Han, J Wang, J Ma, Y Liu, W Moore… - Medical …, 2014 - Wiley Online Library
Purpose: Repeated computed tomography (CT) scans are required for some clinical
applications such as image‐guided interventions. To optimize radiation dose utility, a normal …

Comparison of projection domain, image domain, and comprehensive deep learning for sparse-view X-ray CT image reconstruction

K Liang, H Yang, Y Xing - arXiv preprint arXiv:1804.04289, 2018 - arxiv.org
X-ray Computed Tomography (CT) imaging has been widely used in clinical diagnosis, non-
destructive examination, and public safety inspection. Sparse-view (sparse view) CT has …

TV-based conjugate gradient method and discrete L-curve for few-view CT reconstruction of X-ray in vivo data

X Yang, R Hofmann, R Dapp, T Van de Kamp… - Optics express, 2015 - opg.optica.org
High-resolution, three-dimensional (3D) imaging of soft tissues requires the solution of two
inverse problems: phase retrieval and the reconstruction of the 3D image from a …

Time-resolved cardiac interventional cone-beam CT reconstruction from fully truncated projections using the prior image constrained compressed sensing (PICCS) …

PT Lauzier, J Tang, GH Chen - Physics in Medicine & Biology, 2012 - iopscience.iop.org
C-arm cone-beam CT could replace preoperative multi-detector CT scans in the cardiac
interventional setting. However, cardiac gating results in view angle undersampling and the …

High pitch helical CT reconstruction

JW Hayes, J Montoya, A Budde… - … on Medical Imaging, 2021 - ieeexplore.ieee.org
To avoid severe limited-view artifacts in reconstructed CT images, current multi-row detector
CT (MDCT) scanners with a single x-ray source-detector assembly need to limit table …

Experimental measurement of local noise power spectrum (NPS) in photon counting detector‐CT (PCD‐CT) using a single data acquisition

C Zhang, K Li, R Zhang, GH Chen - Medical physics, 2024 - Wiley Online Library
Background Accurate noise power spectra (NPS) measurement in clinical X‐ray CT exams
is challenging due to the need for repeated scans, which expose patients to high radiation …

High speed 3D overhauser‐enhanced MRI using combined b‐SSFP and compressed sensing

M Sarracanie, BD Armstrong… - Magnetic resonance …, 2014 - Wiley Online Library
Purpose Overhauser‐enhanced MRI is a promising technique for imaging the distribution
and dynamics of free radicals. A key challenge for Overhauser‐enhanced MRI is attaining …

Low-dose lung CT image restoration using adaptive prior features from full-dose training database

Y Zhang, J Rong, H Lu, Y Xing… - IEEE transactions on …, 2017 - ieeexplore.ieee.org
The valuable structure features in full-dose computed tomography (FdCT) scans can be
exploited as prior knowledge for low-dose CT (LdCT) imaging. However, lacking the …