X-ray computed tomography: from medical imaging to dimensional metrology

H Villarraga-Gómez, EL Herazo, ST Smith - Precision Engineering, 2019 - Elsevier
X-ray computed tomography (also referred to as X-ray CT, CAT scan, or simply 'CT') is a
technological advancement with expanding applications, from medical imaging and …

Artefacts in CBCT: a review

R Schulze, U Heil, D Groβ… - Dentomaxillofacial …, 2011 - academic.oup.com
Artefacts are common in today's cone beam CT (CBCT). They are induced by discrepancies
between the mathematical modelling and the actual physical imaging process. Since …

Iterative reconstruction methods in X-ray CT

M Beister, D Kolditz, WA Kalender - Physica medica, 2012 - Elsevier
Iterative reconstruction (IR) methods have recently re-emerged in transmission x-ray
computed tomography (CT). They were successfully used in the early years of CT, but given …

Metal artifact reduction in CT: where are we after four decades?

L Gjesteby, B De Man, Y Jin, H Paganetti… - Ieee …, 2016 - ieeexplore.ieee.org
Methods to overcome metal artifacts in computed tomography (CT) images have been
researched and developed for nearly 40 years. When X-rays pass through a metal object …

Report of the Task Group 186 on model‐based dose calculation methods in brachytherapy beyond the TG‐43 formalism: current status and recommendations for …

L Beaulieu, Å Carlsson Tedgren, JF Carrier… - Medical …, 2012 - Wiley Online Library
The charge of Task Group 186 (TG‐186) is to provide guidance for early adopters of model‐
based dose calculation algorithms (MBDCAs) for brachytherapy (BT) dose calculations to …

Normalized metal artifact reduction (NMAR) in computed tomography

E Meyer, R Raupach, M Lell, B Schmidt… - Medical …, 2010 - Wiley Online Library
Purpose: While modern clinical CT scanners under normal circumstances produce high
quality images, severe artifacts degrade the image quality and the diagnostic value if metal …

Tensor-based formulation and nuclear norm regularization for multienergy computed tomography

O Semerci, N Hao, ME Kilmer… - IEEE Transactions on …, 2014 - ieeexplore.ieee.org
The development of energy selective, photon counting X-ray detectors allows for a wide
range of new possibilities in the area of computed tomographic image formation. Under the …

Statistical image reconstruction for polyenergetic X-ray computed tomography

IA Elbakri, JA Fessler - IEEE transactions on medical imaging, 2002 - ieeexplore.ieee.org
This paper describes a statistical image reconstruction method for X-ray computed
tomography (CT) that is based on a physical model that accounts for the polyenergetic X-ray …

Distance-driven projection and backprojection in three dimensions

B De Man, S Basu - Physics in Medicine & Biology, 2004 - iopscience.iop.org
Projection and backprojection are operations that arise frequently in tomographic imaging.
Recently, we proposed a new method for projection and backprojection, which we call …

Applications of X-ray computed tomography in the geosciences

F Mees, R Swennen, MV Geet… - … Society, London, Special …, 2003 - lyellcollection.org
X-ray computed tomography (CT) is a non-destructive technique with wide applications in
various geological disciplines. It reveals the internal structure of objects, determined by …