[HTML][HTML] Image quality in CT: From physical measurements to model observers

FR Verdun, D Racine, JG Ott, MJ Tapiovaara, P Toroi… - Physica Medica, 2015 - Elsevier
Abstract Evaluation of image quality (IQ) in Computed Tomography (CT) is important to
ensure that diagnostic questions are correctly answered, whilst keeping radiation dose to …

Quality assurance phantoms for cone beam computed tomography: a systematic literature review

MVL de Oliveira, A Wenzel, PSF Campos… - Dentomaxillofacial …, 2017 - academic.oup.com
Objectives: To undertake a systematic review on quality assurance (QA) phantoms for CBCT
imaging, including studies on the development and application of phantoms. Methods: The …

Automated development of the contrast–detail curve based on statistical low‐contrast detectability in CT images

C Anam, A Naufal, T Fujibuchi… - Journal of Applied …, 2022 - Wiley Online Library
Purpose We have developed a software to automatically find the contrast–detail (C–D) curve
based on the statistical low‐contrast detectability (LCD) in images of computed tomography …

A comprehensive assessment of physical image quality of five different scanners for head CT imaging as clinically used at a single hospital centre—A phantom study

P Barca, F Paolicchi, G Aringhieri, F Palmas, D Marfisi… - PLoS …, 2021 - journals.plos.org
Nowadays, given the technological advance in CT imaging and increasing heterogeneity in
characteristics of CT scanners, a number of CT scanners with different manufacturers …

Application of an auto-edge counting method for quantification of metal artifacts in CBCT images: a multivariate analysis of object position, field of view size, tube …

A Khosravifard, BV Saberi, N Khosravifard… - Oral Surgery, Oral …, 2021 - Elsevier
Objective The objective was to assess the effects of object position, field of view (FOV) size,
peak kilovoltage (kVp), and a metal artifact reduction (MAR) algorithm on metal artifacts in …

Quantitative analysis of metal artifact reduction using the auto-edge counting method in cone-beam computed tomography

YH Kim, C Lee, SS Han, KJ Jeon, YJ Choi, A Lee - Scientific Reports, 2020 - nature.com
The metal artifact reduction (MAR) algorithm is used in most CBCT unit to reduce artifact
from various dental materials. The performance of MAR program of a CBCT unit according to …

An anthropomorphic maxillofacial phantom using 3-dimensional printing, polyurethane rubber and epoxy resin for dental imaging and dosimetry

SR Badiuk, DK Sasaki, DW Rickey - Dentomaxillofacial …, 2022 - academic.oup.com
Objective: The aim of this study was to construct an anthropomorphic maxillofacial phantom
for dental imaging and dosimetry purposes using three-dimensional (3D) printing …

[PDF][PDF] Application of a newly developed software program for image quality assessment in cone-beam computed tomography

MVL De Oliveira, AC Santos, G Paulo… - Imaging science in …, 2017 - synapse.koreamed.org
Purpose: The purpose of this study was to apply a newly developed free software program,
at low cost and with minimal time, to evaluate the quality of dental and maxillofacial cone …

Quantitative performance characterization of image quality and radiation dose for a CS 9300 dental cone beam computed tomography machine

E Abouei, S Lee, NL Ford - Journal of Medical Imaging, 2015 - spiedigitallibrary.org
This paper aims to characterize the radiation dose and image quality (IQ) performance of a
dental cone beam computed tomography (CBCT) unit over a range of fields of view (FOV) …

Dentists' use of digital radiographic techniques: Part II–extraoral radiography: a questionnaire study of Swedish dentists

B Svenson, K Ståhlnacke, R Karlsson… - Acta Odontologica …, 2019 - Taylor & Francis
Objective: The present study aims to gain knowledge about the dentist's use and choice of
digital extraoral imaging methods, panoramic radiography and cone beam computed …