On the data acquisition, image reconstruction, cone beam artifacts, and their suppression in axial MDCT and CBCT–a review
X Tang, EA Krupinski, H Xie, AE Stillman - Medical physics, 2018 - Wiley Online Library
Purpose In the clinic, computed tomography (CT) has evolved into an essential modality for
diagnostic imaging by multidetector row CT (MDCT) and image guided intervention by cone …
diagnostic imaging by multidetector row CT (MDCT) and image guided intervention by cone …
Cone-beam CT sampling incompleteness: analytical and empirical studies of emerging systems and source–detector orbits
Purpose Motivated by emerging cone-beam computed tomography (CBCT) systems and
scan orbits, we aim to quantitatively assess the completeness of data for 3D image …
scan orbits, we aim to quantitatively assess the completeness of data for 3D image …
Reduction of ring artifacts in CBCT: Detection and correction of pixel gain variations in flat panel detectors
C Altunbas, CJ Lai, Y Zhong, CC Shaw - Medical physics, 2014 - Wiley Online Library
Purpose: In using flat panel detectors (FPD) for cone beam computed tomography (CBCT),
pixel gain variations may lead to structured nonuniformities in projections and ring artifacts …
pixel gain variations may lead to structured nonuniformities in projections and ring artifacts …
Mitigation of motion‐induced artifacts in cone beam computed tomography using deep convolutional neural networks
M Amirian, JA Montoya‐Zegarra, I Herzig… - Medical …, 2023 - Wiley Online Library
Background Cone beam computed tomography (CBCT) is often employed on radiation
therapy treatment devices (linear accelerators) used in image‐guided radiation therapy …
therapy treatment devices (linear accelerators) used in image‐guided radiation therapy …
Combining scatter reduction and correction to improve image quality in cone‐beam computed tomography (CBCT)
JY Jin, L Ren, Q Liu, J Kim, N Wen, H Guan… - Medical …, 2010 - Wiley Online Library
Purpose: The authors propose a combined scatter reduction and correction method to
improve image quality in cone‐beam computed tomography (CBCT). Although using a …
improve image quality in cone‐beam computed tomography (CBCT). Although using a …
Crescent artifacts in cone‐beam CT
Purpose: In image‐guided radiation therapy, cone‐beam CT has been adopted for three‐
dimensional target localization in the treatment room. In many of these cone‐beam CT …
dimensional target localization in the treatment room. In many of these cone‐beam CT …
John's equation-based consistency condition and corrupted projection restoration in circular trajectory cone beam CT
In transmitted X-ray tomography imaging, the acquired projections may be corrupted for
various reasons, such as defective detector cells and beam-stop array scatter correction …
various reasons, such as defective detector cells and beam-stop array scatter correction …
A fast GPU-based approach to branchless distance-driven projection and back-projection in cone beam CT
D Schlifske, H Medeiros - Medical Imaging 2016: Physics of …, 2016 - spiedigitallibrary.org
Modern CT image reconstruction algorithms rely on projection and back-projection
operations to refine an image estimate in iterative image reconstruction. A widely-used state …
operations to refine an image estimate in iterative image reconstruction. A widely-used state …
Comparing short scan CT reconstruction algorithms regarding cone-beam artifact performance
C Maaß, F Dennerlein, F Noo… - IEEE Nuclear Science …, 2010 - ieeexplore.ieee.org
While circular cone-beam computed tomography (CBCT) has numerous advantages in CT
scanner design, the image reconstruction from circular cone-beam data is known to be …
scanner design, the image reconstruction from circular cone-beam data is known to be …
Empirical scatter correction: CBCT scatter artifact reduction without prior information
P Trapp, J Maier, M Susenburger, S Sawall… - Medical …, 2022 - Wiley Online Library
Background The image quality of cone beam CT (CBCT) scans severely suffers from
scattered radiation if no countermeasures are taken. Scatter artifacts may induce cupping …
scattered radiation if no countermeasures are taken. Scatter artifacts may induce cupping …