Reduction of cone‐beam CT artifacts in a robotic CBCT device using saddle trajectories with integrated infrared tracking
Background Cone beam computed tomography (CBCT) is widely used in many medical
fields. However, conventional CBCT circular scans suffer from cone beam (CB) artifacts that …
fields. However, conventional CBCT circular scans suffer from cone beam (CB) artifacts that …
Universal non-circular cone beam CT orbits for metal artifact reduction imaging during image-guided procedures
Innovation in image-guided procedures has been driven by advances in robotic Cone Beam
Computed Tomography (CBCT) systems. A fundamental challenge for CBCT imaging is …
Computed Tomography (CBCT) systems. A fundamental challenge for CBCT imaging is …
Spherical acquisition trajectories for x-ray computed tomography with a robotic sample holder
E Pekel, M Dierolf, F Pfeiffer… - Engineering Research …, 2023 - iopscience.iop.org
This work presents methods for the seamless execution of arbitrary spherical trajectories
with a seven-degree-of-freedom robotic arm as a sample holder. The sample holder is …
with a seven-degree-of-freedom robotic arm as a sample holder. The sample holder is …
Fully automatic online geometric calibration for non‐circular cone‐beam CT orbits using fiducials with unknown placement
Abstract Background Cone‐beam CT (CBCT) with non‐circular scanning orbits can improve
image quality for 3D intraoperative image guidance. However, geometric calibration of such …
image quality for 3D intraoperative image guidance. However, geometric calibration of such …
Investigating 4D respiratory cone-beam CT imaging for thoracic interventions on robotic C-arm systems: a deformable phantom study
Increasingly, interventional thoracic workflows utilize cone-beam CT (CBCT) to improve
navigational and diagnostic yield. Here, we investigate the feasibility of implementing free …
navigational and diagnostic yield. Here, we investigate the feasibility of implementing free …
[HTML][HTML] Practical workflow for arbitrary non-circular orbits for CT with clinical robotic C-arms
Non-circular orbits in cone-beam CT (CBCT) imaging are increasingly being studied for
potential benefits in field-of-view, dose reduction, improved image quality, minimal …
potential benefits in field-of-view, dose reduction, improved image quality, minimal …
Cone-beam CT with a noncircular (sine-on-sphere) orbit: imaging performance of a clinical system for image-guided interventions
AK Jones, M Ahmad, SM Raza… - Journal of Medical …, 2024 - spiedigitallibrary.org
Purpose We aim to compare the imaging performance of a cone-beam CT (CBCT) imaging
system with noncircular scan protocols (sine-on-sphere) to a conventional circular orbit …
system with noncircular scan protocols (sine-on-sphere) to a conventional circular orbit …
Effect of the cone-beam CT acquisition trajectory on image quality in spine surgery: experimental cadaver study
M Fikuart, B Bullert, SY Vetter, J Franke, PA Gruetzner… - The Spine Journal, 2025 - Elsevier
BACKGROUND Intraoperative 3D imaging with cone-beam CT (CBCT) improves
assessment of implant position and reduces complications in spine surgery. It is also used …
assessment of implant position and reduces complications in spine surgery. It is also used …
Comparison of saddle and helical trajectories of a mobile cone beam computed tomography scanner with online calibration correction
In cone-beam computed tomography (CBCT), the conebeam (CB) artefact causes object-
dependent image distortions away from the central plane. Non-circular trajectories such as …
dependent image distortions away from the central plane. Non-circular trajectories such as …