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 …

Automatic pedicle screw planning using atlas-based registration of anatomy and reference trajectories

R Vijayan, T De Silva, R Han, X Zhang… - Physics in Medicine …, 2019 - iopscience.iop.org
An algorithm for automatic spinal pedicle screw planning is reported and evaluated in
simulation and first clinical studies. A statistical atlas of the lumbar spine (N= 40 members) …

Sinogram+ image domain neural network approach for metal artifact reduction in low-dose cone-beam computed tomography

MD Ketcha, M Marrama, A Souza… - Journal of Medical …, 2021 - spiedigitallibrary.org
Purpose: Cone-beam computed tomography (CBCT) is commonly used in the operating
room to evaluate the placement of surgical implants in relation to critical anatomical …

Optimization of image quality and radiation dose using different cone-beam CT exposure parameters

I Yel, C Booz, MH Albrecht, T Gruber-Rouh… - European journal of …, 2019 - Elsevier
Purpose To investigate and optimize the impact of different exposure parameters on image
quality and radiation dose for a latest generation orthopedic cone-beam CT system …

Low-dose x-ray CT simulation from an available higher-dose scan

M Elhamiasl, J Nuyts - Physics in Medicine & Biology, 2020 - iopscience.iop.org
In computed tomography (CT)-imaging an optimal compromise between the radiation
burden and the image quality for the imaging task is needed. Lower-dose CT is desirable …

Multi-body 3D–2D registration for image-guided reduction of pelvic dislocation in orthopaedic trauma surgery

R Han, A Uneri, M Ketcha, R Vijayan… - Physics in Medicine …, 2020 - iopscience.iop.org
Surgical reduction of pelvic dislocation is a challenging procedure with poor long-term
prognosis if reduction does not accurately restore natural morphology. The procedure often …

Cone‐beam imaging with tilted rotation axis: method and performance evaluation

C Zhao, M Herbst, S Vogt, L Ritschl, S Kappler… - Medical …, 2020 - Wiley Online Library
Purpose The recently introduced robotic x‐ray systems provide the flexibility to acquire cone‐
beam computed tomography (CBCT) data using customized, application‐specific source …

Stationary CT Imaging of Intracranial Hemorrhage with Diffusion Posterior Sampling Reconstruction

A Lopez-Montes, T McSkimming, A Skeats… - arXiv preprint arXiv …, 2024 - arxiv.org
Diffusion Posterior Sampling (DPS) can be used in Computed Tomography (CT)
reconstruction by leveraging diffusion-based generative models for unconditional image …

A robotic X-ray cone-beam CT system: trajectory optimization for 3D imaging of the weight-bearing spine

C Zhao, M Herbst, S Vogt, L Ritschl… - … 2019: Physics of …, 2019 - spiedigitallibrary.org
Purpose: We optimize scan orbits and acquisition protocols for 3D imaging of the weight-
bearing spine on a twin-robotic x-ray system (Multitom Rax). An advanced Cone-Beam CT …

Slot‐scan dual‐energy bone densitometry using motorized X‐ray systems

C Zhao, M Herbst, T Weber, C Luckner, S Vogt… - Medical …, 2021 - Wiley Online Library
Purpose We investigate the feasibility of slot‐scan dual‐energy (DE) bone densitometry on
motorized radiographic equipment. This approach will enable fast quantitative …