Towards geometrical calibration of x-ray computed tomography systems—a review
Industrial x-ray computed tomography (XCT) is seen as a potentially effective tool for the
industrial inspection of complex parts. In particular, XCT is an attractive solution for the …
industrial inspection of complex parts. In particular, XCT is an attractive solution for the …
Review of high energy x-ray computed tomography for non-destructive dimensional metrology of large metallic advanced manufactured components
W Sun, DR Symes, CM Brenner… - Reports on Progress …, 2022 - iopscience.iop.org
Advanced manufacturing technologies, led by additive manufacturing, have undergone
significant growth in recent years. These technologies enable engineers to design parts with …
significant growth in recent years. These technologies enable engineers to design parts with …
Reliable automatic alignment of tomographic projection data by passive auto‐focus
Purpose: The authors present a robust algorithm that removes the blurring and double‐edge
artifacts in high‐resolution computed tomography (CT) images that are caused by …
artifacts in high‐resolution computed tomography (CT) images that are caused by …
Alignment methods for nanotomography with deep subpixel accuracy
As the resolution of X-ray tomography improves, the limited long-term stability and accuracy
of nanoimaging tools does not allow computing artifact-free three-dimensional (3D) …
of nanoimaging tools does not allow computing artifact-free three-dimensional (3D) …
Self-calibration of cone-beam CT geometry using 3D–2D image registration
Robotic C-arms are capable of complex orbits that can increase field of view, reduce
artifacts, improve image quality, and/or reduce dose; however, it can be challenging to …
artifacts, improve image quality, and/or reduce dose; however, it can be challenging to …
A generic geometric calibration method for tomographic imaging systems with flat‐panel detectors—A detailed implementation guide
X Li, D Zhang, B Liu - Medical physics, 2010 - Wiley Online Library
Purpose To present a generic geometric calibration method for tomographic imaging
systems with flat‐panel detectors in a very detailed manner, in the aim to provide a useful …
systems with flat‐panel detectors in a very detailed manner, in the aim to provide a useful …
A rigid motion correction method for helical computed tomography (CT)
We propose a method to compensate for six degree-of-freedom rigid motion in helical CT of
the head. The method is demonstrated in simulations and in helical scans performed on a …
the head. The method is demonstrated in simulations and in helical scans performed on a …
A novel calibration method incorporating nonlinear optimization and ball‐bearing markers for cone‐beam CT with a parameterized trajectory
Purpose Cone‐beam (CB) CT is a powerful noninvasive imaging modality, and is widely
used in many applications. Accurate geometric parameters are essential for high‐quality …
used in many applications. Accurate geometric parameters are essential for high‐quality …
A nonconvex model‐based combined geometric calibration scheme for micro cone‐beam CT with irregular trajectories
Background Many dedicated cone‐beam CT (CBCT) systems have irregular scanning
trajectories. Compared with the standard CBCT calibration, accurate calibration for CBCT …
trajectories. Compared with the standard CBCT calibration, accurate calibration for CBCT …
Estimation of CT cone‐beam geometry using a novel method insensitive to phantom fabrication inaccuracy: implications for isocenter localization accuracy
J Chetley Ford, D Zheng, JF Williamson - Medical physics, 2011 - Wiley Online Library
Purpose: Mechanical instabilities that occur during gantry rotation of on‐board cone‐beam
computed tomography (CBCT) imaging systems limit the efficacy of image‐guided …
computed tomography (CBCT) imaging systems limit the efficacy of image‐guided …