Assessment of quantification accuracy and image quality of a full‐body dual‐layer spectral CT system
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DOI: 10.1002/acm2.12243
Abstract: Abstract The performance of a recently introduced spectral computed tomography system based on a dual‐layer detector has been investigated. A semi‐anthropomorphic abdomen phantom for CT performance evaluation was imaged on the dual‐layer spectral CT at… read more here.
Keywords: image quality; system; dual layer; layer ... See more keywords
Image quality evaluation of intra‐irradiation cone‐beam computed tomography acquired during one‐ and two‐arc prostate volumetric‐modulated arc therapy delivery: A phantom study
Sign Up to like & getrecommendations! Published in 2020 at "Journal of Applied Clinical Medical Physics"
DOI: 10.1002/acm2.13095
Abstract: Abstract Purpose To evaluate (a) the effects of megavoltage (MV)‐scatter on concurrent kilovoltage (kV) projections (P MVkV) acquired during rotational delivery, and (b) the image quality of intra‐irradiation cone‐beam computed tomography (ii‐CBCT) images acquired during… read more here.
Keywords: phantom; image quality; arc; delivery ... See more keywords
Optimization of 99mTc whole‐body SPECT/CT image quality: A phantom study
Sign Up to like & getrecommendations! Published in 2022 at "Journal of Applied Clinical Medical Physics"
DOI: 10.1002/acm2.13528
Abstract: Abstract Purpose Investigate the impact of acquisition time and reconstruction parameters on single‐photon emission computed tomography/computed tomography (SPECT/CT) image quality with the ultimate aim of finding the shortest possible acquisition time for clinical whole‐body SPECT/CT… read more here.
Keywords: acquisition time; image quality; acquisition;
Performance evaluation of two interventional fluoroscope suites for cardiovascular imaging
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DOI: 10.1002/acm2.13741
Abstract: Abstract Interventional cardiology involves catheter‐based treatment of heart disease, generally through fluoroscopically guided interventional procedures. Patients can be subject to considerable radiation dose due to prolonged fluoroscopy time and radiographic exposure, and therefore efforts to… read more here.
Keywords: image quality; quality; cardiology; evaluation two ... See more keywords
Characterization of time of flight and resolution modeling on image quality in positron emission tomography
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DOI: 10.1002/acm2.13751
Abstract: Abstract Time‐of‐flight (TOF) and resolution modeling (RM) algorithms are frequently used in clinical PET images, and inclusion of these corrections should measurably improve image quality. We quantified the effects of these correction algorithms on reconstructed… read more here.
Keywords: image quality; resolution modeling; image; time flight ... See more keywords
Digital radiography image quality evaluation using various phantoms and software
Sign Up to like & getrecommendations! Published in 2022 at "Journal of Applied Clinical Medical Physics"
DOI: 10.1002/acm2.13823
Abstract: Abstract Purpose To investigate the effect of the exposure parameters on image quality (IQ) metrics of phantom images, obtained automatically using software or from visual evaluation. Methods Three commercial phantoms and a homemade phantom constructed… read more here.
Keywords: software; evaluation; commercial phantoms; image quality ... See more keywords
Restoring statistical validity in group analyses of motion‐corrupted MRI data
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DOI: 10.1002/hbm.25767
Abstract: Motion during the acquisition of magnetic resonance imaging (MRI) data degrades image quality, hindering our capacity to characterise disease in patient populations. Quality control procedures allow the exclusion of the most affected images from analysis.… read more here.
Keywords: mri data; motion; image quality; restoring statistical ... See more keywords
Improving cerebral microvascular image quality of optical coherence tomography angiography with deep learning-based segmentation.
Sign Up to like & getrecommendations! Published in 2021 at "Journal of biophotonics"
DOI: 10.1002/jbio.202100171
Abstract: Optical coherence tomography angiography (OCTA) can map the microvascular networks of the cerebral cortices with micrometer resolution and millimeter penetration. However, the high scattering of the skull and the strong noise in the deep imaging… read more here.
Keywords: image; image quality; segmentation; deep learning ... See more keywords
Ungated nonenhanced radial quiescent interval slice‐selective (QISS) magnetic resonance angiography of the neck: Evaluation of image quality
Sign Up to like & getrecommendations! Published in 2019 at "Journal of Magnetic Resonance Imaging"
DOI: 10.1002/jmri.26781
Abstract: Standard‐of‐care time‐of‐flight (TOF) techniques for nonenhanced magnetic resonance angiography (NEMRA) of the carotid bifurcation and other cervical arteries often provide nondiagnostic image quality due to motion and flow artifacts. read more here.
Keywords: resonance; magnetic resonance; resonance angiography; image quality ... See more keywords
Editorial for “Image Quality Assessment of Fetal Brain MRI Using Multi‐Instance Deep Learning Methods”
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DOI: 10.1002/jmri.27759
Abstract: Editorial for “Image Quality Assessment of Fetal Brain MRI Using Multi-Instance Deep Learning Methods” Ultrasound (US) is currently the predominant modality for primary assessment of fetal anatomy and maternal conditions during pregnancy; however, fetal magnetic… read more here.
Keywords: fetal brain; image; image quality; mri ... See more keywords
Understanding reasons for image rejection by radiologists and radiographers.
Sign Up to like & getrecommendations! Published in 2022 at "Journal of medical radiation sciences"
DOI: 10.1002/jmrs.641
Abstract: INTRODUCTION A core element of a radiographer's role is the decision on whether a radiograph is sufficient for diagnosis, or a repeat examination is needed. Studies illustrate the disagreement on the diagnostic value of radiographs… read more here.
Keywords: image quality; radiographers radiologists; difference; radiographs ... See more keywords