An experimental survey of metal artefact reduction in computed tomography

A Mouton, N Megherbi… - Journal of X-ray …, 2013 - content.iospress.com
We present a survey of techniques for the reduction of streaking artefacts caused by metallic
objects in X-ray Computed Tomography (CT) images. A comprehensive review of the …

Virtual monochromatic spectral imaging with fast kilovoltage switching: improved image quality as compared with that obtained with conventional 120-kVp CT

K Matsumoto, M Jinzaki, Y Tanami, A Ueno, M Yamada… - Radiology, 2011 - pubs.rsna.org
Purpose To compare image quality obtained in phantoms with virtual monochromatic
spectral (VMS) imaging with that obtained with conventional 120-kVp computed tomography …

Renal stone assessment with dual-energy multidetector CT and advanced postprocessing techniques: improved characterization of renal stone composition—pilot …

DT Boll, NA Patil, EK Paulson, EM Merkle… - Radiology, 2009 - pubs.rsna.org
Purpose: To prospectively evaluate the capability of noninvasive, simultaneous dual-energy
(DE) multidetector computed tomography (CT) to improve characterization of human renal …

Evaluation of pore structures and cracking in cement paste exposed to elevated temperatures by X-ray computed tomography

KY Kim, TS Yun, KP Park - Cement and Concrete Research, 2013 - Elsevier
When cement-based materials are exposed to the high temperatures induced by fire, which
can rapidly cause temperatures of over 1000° C, the changes in pore structure and density …

Iterative correction of beam hardening artifacts in CT

G Van Gompel, K Van Slambrouck, M Defrise… - Medical …, 2011 - Wiley Online Library
Purpose: To reduce beam hardening artifacts in CT in case of an unknown x‐ray spectrum
and unknown material properties. Methods: The authors assume that the object can be …

[PDF][PDF] Object Recognition using 3D SIFT in Complex CT Volumes.

GT Flitton, TP Breckon, NM Bouallagu - BMVC, 2010 - bmva-archive.org.uk
The automatic detection of objects within complex volumetric imagery is becoming of
increased interest due to the use of dual energy Computed Tomography (CT) scanners as …

A comparison of 3D interest point descriptors with application to airport baggage object detection in complex CT imagery

G Flitton, TP Breckon, N Megherbi - Pattern Recognition, 2013 - Elsevier
We present an experimental comparison of 3D feature descriptors with application to threat
detection in Computed Tomography (CT) airport baggage imagery. The detectors range in …

Metal artifact reduction for polychromatic X-ray CT based on a beam-hardening corrector

HS Park, D Hwang, JK Seo - IEEE transactions on medical …, 2015 - ieeexplore.ieee.org
This paper proposes a new method to correct beam hardening artifacts caused by the
presence of metal in polychromatic X-ray computed tomography (CT) without degrading the …

Virtual monochromatic spectral imaging for the evaluation of hypovascular hepatic metastases: the optimal monochromatic level with fast kilovoltage switching dual …

Y Yamada, M Jinzaki, Y Tanami, T Abe… - Investigative …, 2012 - journals.lww.com
Objectives: The purpose of this study was to select the optimal monochromatic level for
virtual monochromatic spectral (VMS) imaging to minimize the image noise of the liver …

Calcified Vascular Plaque Specimens: Assessment with Cardiac Dual-Energy Multidetector CT in Anthropomorphically Moving Heart Phantom1

DT Boll, EM Merkle, EK Paulson, RA Mirza, TR Fleiter - Radiology, 2008 - pubs.rsna.org
Purpose: To evaluate whether dual-energy multidetector computed tomography (CT) with
image postprocessing techniques enhances accuracy of calcified plaque quantification …