Regularization strategies in statistical image reconstruction of low‐dose x‐ray CT: A review
Statistical image reconstruction (SIR) methods have shown potential to substantially improve
the image quality of low‐dose x‐ray computed tomography (CT) as compared to the …
the image quality of low‐dose x‐ray computed tomography (CT) as compared to the …
Cone-beam CT systems
JH Siewerdsen - Computed Tomography: Approaches, Applications …, 2020 - Springer
Cone-beam CT (CBCT) systems have emerged in a broad variety of forms and clinical
applications. The diversity of platforms includes open-gantry C-arms and U-arms as well as …
applications. The diversity of platforms includes open-gantry C-arms and U-arms as well as …
Variation in CT number and image noise uniformity according to patient positioning in MDCT
TP Szczykutowicz, A DuPlissis… - American Journal of …, 2017 - Am Roentgen Ray Soc
OBJECTIVE. Many algorithms for clinical decision making rely on assessment of the CT
number (expressed as Hounsfield units); however, to our knowledge, few, if any, studies …
number (expressed as Hounsfield units); however, to our knowledge, few, if any, studies …
Reconstruction of three‐dimensional tomographic patient models for radiation dose modulation in CT from two scout views using deep learning
Background A tomographic patient model is essential for radiation dose modulation in x‐ray
computed tomography (CT). Currently, two‐view scout images (also known as topograms) …
computed tomography (CT). Currently, two‐view scout images (also known as topograms) …
Prediction of image noise contributions in proton computed tomography and comparison to measurements
We present a method to accurately predict image noise in proton computed tomography
(pCT) using data generated from a Monte Carlo simulation and a patient or object model that …
(pCT) using data generated from a Monte Carlo simulation and a patient or object model that …
Quantitative accuracy of CT numbers: Theoretical analyses and experimental studies
Purpose The CT number accuracy, that is, CT number bias, plays an important role in
clinical diagnosis. When strategies to reduce radiation dose are discussed, it is important to …
clinical diagnosis. When strategies to reduce radiation dose are discussed, it is important to …
Two-dimensional noise reconstruction in proton computed tomography using distance-driven filtered back-projection of simulated projections
We present a formalism for two-dimensional (2D) noise reconstruction in proton computed
tomography (pCT). This is necessary for the application of fluence modulated pCT (FMpCT) …
tomography (pCT). This is necessary for the application of fluence modulated pCT (FMpCT) …
A prototype spatial–spectral CT system for material decomposition with energy‐integrating detectors
M Tivnan, W Wang, JW Stayman - Medical physics, 2021 - Wiley Online Library
Purpose Spectral CT has great potential for a variety of clinical applications due to improved
tissue and material discrimination over conventional single‐energy CT. Many clinical and …
tissue and material discrimination over conventional single‐energy CT. Many clinical and …
Dynamic fluence field modulation in computed tomography using multiple aperture devices
A novel beam filter consisting of multiple aperture devices (MADs) has been developed for
dynamic fluence field modulation (FFM) in CT. Each MAD achieves spatial modulation of x …
dynamic fluence field modulation (FFM) in CT. Each MAD achieves spatial modulation of x …
Experimental fluence‐modulated proton computed tomography by pencil beam scanning
G Dedes, RP Johnson, M Pankuch, N Detrich… - Medical …, 2018 - Wiley Online Library
Purpose This experimental study is aimed at demonstrating, using a simple cylindrical water
phantom, the feasibility of fluence‐modulated proton computed tomography (FMpCT) by …
phantom, the feasibility of fluence‐modulated proton computed tomography (FMpCT) by …