Metal artifact reduction for practical dental computed tomography by improving interpolation-based reconstruction with deep learning.
Sign Up to like & getrecommendations! Published in 2019 at "Medical physics"
DOI: 10.1002/mp.13644
Abstract: PURPOSE Metal artifact is a quite common problem in diagnostic dental computed tomography (CT) images. Due to the high attenuation of heavy materials such as metal, severe global artifacts can occur in reconstructions. Typical metal… read more here.
Keywords: reconstruction; network; metal artifact; artifact reduction ... See more keywords
DL-based inpainting for metal artifact reduction for cone beam CT using metal path length information.
Sign Up to like & getrecommendations! Published in 2022 at "Medical physics"
DOI: 10.1002/mp.15909
Abstract: BACKGROUND Metallic implants, which are inserted into the patient's body during trauma interventions, are the main cause of heavy artifacts in 3D X-ray acquisitions. These artifacts then hinder the evaluation of the correct implant's positioning,… read more here.
Keywords: based inpainting; metal artifact; metal path; artifact reduction ... See more keywords
A nonlinear scaling-based normalized metal artifact reduction to reduce low-frequency artifacts in energy-integrating and photon-counting CT.
Sign Up to like & getrecommendations! Published in 2023 at "Medical physics"
DOI: 10.1002/mp.16461
Abstract: BACKGROUND Metal within the scan plane can cause severe artifacts when reconstructing X-ray computed tomography (CT) scans. Both in clinical use and recent research, normalized metal artifact reduction (NMAR) has established as the reference method… read more here.
Keywords: frequency artifacts; low frequency; artifact reduction; interpolation ... See more keywords
Radial streak artifact reduction using phased array beamforming
Sign Up to like & getrecommendations! Published in 2019 at "Magnetic Resonance in Medicine"
DOI: 10.1002/mrm.27689
Abstract: A new method for streak artifact reduction in radial MRI based on phased array filtering. read more here.
Keywords: phased array; artifact reduction; streak artifact;
High-resolution metal artifact reduction MR imaging of the lumbosacral plexus in patients with metallic implants
Sign Up to like & getrecommendations! Published in 2017 at "Skeletal Radiology"
DOI: 10.1007/s00256-017-2630-9
Abstract: ObjectiveTo assess the quality and accuracy of metal artifact reduction sequence (MARS) magnetic resonance imaging (MRI) for the diagnosis of lumbosacral neuropathies in patients with metallic implants in the pelvis.Materials and methodsTwenty-two subjects with lumbosacral… read more here.
Keywords: mars mri; patients metallic; metal artifact; artifact reduction ... See more keywords
Reduction of artifacts caused by orthopedic hardware in the spine in spectral detector CT examinations using virtual monoenergetic image reconstructions and metal-artifact-reduction algorithms
Sign Up to like & getrecommendations! Published in 2017 at "Skeletal Radiology"
DOI: 10.1007/s00256-017-2776-5
Abstract: ObjectiveAim of this study was to assess the artifact reduction in patients with orthopedic hardware in the spine as provided by (1) metal-artifact-reduction algorithms (O-MAR) and (2) virtual monoenergetic images (MonoE) as provided by spectral… read more here.
Keywords: kev; reduction; mar; orthopedic hardware ... See more keywords
Influence of head orientation and implantation site of a novel transcutaneous bone conduction implant on MRI metal artifact reduction sequence
Sign Up to like & getrecommendations! Published in 2022 at "European Archives of Oto-Rhino-Laryngology"
DOI: 10.1007/s00405-022-07272-3
Abstract: The use of magnetic resonance imaging (MRI) is often limited in patients with auditory implants because of the presence of metallic components and magnets. The aim of this study was to evaluate the clinical usefulness… read more here.
Keywords: artifact reduction; sequence; metal artifact; mri ... See more keywords
Optimization of Monoenergetic Extrapolations in Dual-Energy CT for Metal Artifact Reduction in Different Body Regions and Orthopedic Implants.
Sign Up to like & getrecommendations! Published in 2019 at "Academic radiology"
DOI: 10.1016/j.acra.2018.06.008
Abstract: RATIONALE AND OBJECTIVES To define an optimal monoenergetic extrapolation (ME) in dual-energy computed tomography (DECT) for metal artifact reduction (MAR) including different body regions and orthopedic implants. MATERIAL AND METHODS DECT scans were acquired with… read more here.
Keywords: energy; metal artifact; metal; orthopedic implants ... See more keywords
[P276] Impact on proton range estimates using a novel mr-based artifact reduction algorithm
Sign Up to like & getrecommendations! Published in 2018 at "Physica Medica"
DOI: 10.1016/j.ejmp.2018.06.553
Abstract: Purpose Metal implants lead to streak and cupping artifacts in computed tomography (CT) images, causing erroneous CT number estimates for radiation therapy (RT) planning. We recently introduced kerMAR, a novel Magnetic Resonance (MR)-based CT metal… read more here.
Keywords: kermar; proton range; range; metal ... See more keywords
Metal artifact reduction by dual-layer computed tomography using virtual monoenergetic images.
Sign Up to like & getrecommendations! Published in 2017 at "European journal of radiology"
DOI: 10.1016/j.ejrad.2017.05.013
Abstract: OBJECTIVE The aim of the study was to investigate the performance and diagnostic value of metal artifact reduction in virtual monoenergetic images generated from dual-layer computed tomography (DLCT). METHODS 35 patients that received a DLCT… read more here.
Keywords: dual layer; metal artifact; virtual monoenergetic; artifact reduction ... See more keywords
Beam-hardening in 70-kV Coronary CT angiography: Artifact reduction using an advanced post-processing algorithm.
Sign Up to like & getrecommendations! Published in 2018 at "European journal of radiology"
DOI: 10.1016/j.ejrad.2018.02.016
Abstract: PURPOSE To investigate the effect of an iterative beam-hardening correction algorithm (iBHC) on artifact reduction and image quality in coronary CT angiography (cCTA) with low tube voltage. MATERIAL AND METHODS Thirty-six patients (17 male, mean… read more here.
Keywords: image quality; algorithm; beam hardening; artifact reduction ... See more keywords