Addressing CT metal artifacts using photon-counting detectors and one-step spectral CT image reconstruction.
Sign Up to like & getrecommendations! Published in 2022 at "Medical physics"
DOI: 10.1002/mp.15621
Abstract: PURPOSE The constrained One-Step Spectral CT Image Reconstruction (cOSSCIR) algorithm with a non-convex alternating direction method of multipliers (ADMM) optimizer is proposed for addressing CT metal artifacts caused by beam hardening, noise, and photon starvation.… read more here.
Keywords: cosscir; photon counting; metal artifacts; algorithm ... See more keywords
Picking up the Pieces: Intercultural Interaction in the Great Lakes Region Examined through Copper-Base Metal Artifacts
Sign Up to like & getrecommendations! Published in 2019 at "International Journal of Historical Archaeology"
DOI: 10.1007/s10761-018-0467-0
Abstract: This article presents results of attribute analysis of copper-base metal artifacts from early colonial upper Great Lakes archaeological contexts. Patterns of variation were identified, providing evidence for cultural and technological heterogeneity in the production methods… read more here.
Keywords: metal artifacts; base metal; copper base; great lakes ... See more keywords
Characteristic features of metal artifacts excavated in western Yunnan in the Bronze Age
Sign Up to like & getrecommendations! Published in 2020 at "Archaeological and Anthropological Sciences"
DOI: 10.1007/s12520-020-01074-6
Abstract: Yunnan province is located in Southwest China. A technical study of the metal artifacts unearthed in western Yunnan can not only improve our understanding of the bronze culture but also fill many gaps in the… read more here.
Keywords: western yunnan; characteristic features; bronze; copper ... See more keywords
Visualization of Different Types of Cochlear Implants in Postoperative Cone-Beam CT Imaging.
Sign Up to like & getrecommendations! Published in 2021 at "Academic radiology"
DOI: 10.1016/j.acra.2021.02.025
Abstract: RATIONALE AND OBJECTIVES To evaluate cone-beam computed-tomography (CBCT) images of the temporal bone for radiological delineation, metal artifacts, and accuracy for localization of six different electrode arrays after cochlear device implantation. MATERIALS AND METHODS This… read more here.
Keywords: metal artifacts; visualization; cone beam; electrode ... See more keywords
A novel approach for eliminating metal artifacts based on MVCBCT and CycleGAN
Sign Up to like & getrecommendations! Published in 2022 at "Frontiers in Oncology"
DOI: 10.3389/fonc.2022.1024160
Abstract: Purpose To develop a metal artifact reduction (MAR) algorithm and eliminate the adverse effects of metal artifacts on imaging diagnosis and radiotherapy dose calculations. Methods Cycle-consistent adversarial network (CycleGAN) was used to generate synthetic CT… read more here.
Keywords: metal free; sct images; metal artifacts; mvcbct images ... See more keywords
Advances in Bone Joint Imaging-Metal Artifact Reduction
Sign Up to like & getrecommendations! Published in 2022 at "Diagnostics"
DOI: 10.3390/diagnostics12123079
Abstract: Numerous types of metal implants have been introduced in orthopedic surgery and are used in everyday practice. To precisely evaluate the postoperative condition of arthroplasty or trauma surgery, periprosthetic infection, and the loosening of implants,… read more here.
Keywords: metal artifact; advances bone; metal artifacts; artifact reduction ... See more keywords
Dual-Energy Computed Tomography Applications to Reduce Metal Artifacts in Hip Prostheses: A Phantom Study
Sign Up to like & getrecommendations! Published in 2022 at "Diagnostics"
DOI: 10.3390/diagnostics13010050
Abstract: Metal components of hip prostheses cause severe artifacts in CT images, influencing diagnostic accuracy. Metal artifact reduction (MAR) software and virtual monoenergetic reconstructions on dual-energy CT (DECT) systems are possible solutions that should be considered.… read more here.
Keywords: metal; hip prostheses; dual energy; metal artifacts ... See more keywords
Neural Network Performance Evaluation of Simulated and Genuine Head-and-Neck Computed Tomography Images to Reduce Metal Artifacts
Sign Up to like & getrecommendations! Published in 2022 at "Journal of Medical Signals and Sensors"
DOI: 10.4103/jmss.jmss_159_21
Abstract: Background: This study evaluated the performances of neural networks in terms of denoizing metal artifacts in computed tomography (CT) images to improve diagnosis based on the CT images of patients. Methods: First, head-and-neck phantoms were… read more here.
Keywords: network; computed tomography; head neck; metal artifacts ... See more keywords