Zobrazeno 1 - 10 of 36 pro vyhledávání: '"Sean D Rose"'
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Akademický článek
Sub pixel resolution using spectral-spatial encoding in x-ray imaging.
Autor: Timothy P Szczykutowicz, Sean D Rose, Alexander Kitt
Publikováno v: PLoS ONE, Vol 16, Iss 10, p e0258481 (2021)
PurposePrevious efforts at increasing spatial resolution have relied on decreasing focal spot and or detector element size. Many "super resolution" methods require physical movement of a component of the imaging system. This work describes a method f
Externí odkaz: https://doaj.org/article/217d4e82ea984c8ca96290858b94b98a
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4
Applying a New CT Quality Metric in Radiology: How CT Pulmonary Angiography Repeat Rates Compare Across Institutions
Autor: Jeffery P. Kanne, Timothy P. Szczykutowicz, Sean D. Rose, Ben Viggiano, Carrie Bartels, Robert K. Bour
Publikováno v: Journal of the American College of Radiology. 18:962-968
To quantify overall CT repeat and reject rates at five institutions and investigate repeat and reject rates for CT pulmonary angiography (CTPA).In this retrospective study, we apply an automated repeat rate analysis algorithm to 103,752 patient exami
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::9ef1aadda5dfb6a5025d73c3a913b506
https://doi.org/10.1016/j.jacr.2021.02.014
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5
Effect of contrast agent administration on water equivalent diameter in CT
Autor: Benjamin Viggiano, Timothy P. Szczykutowicz, Sean D. Rose
Publikováno v: Medical Physics. 48:1117-1124
PURPOSE Water equivalent diameter (WED) is the preferred surrogate for patient size in computed tomography (CT). It is better than geometric size surrogates and patient weight/height/BMI/age because it correlates the best with x-ray attenuation. The
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::b181a00566404e2682a4dac3818a2c1a
https://doi.org/10.1002/mp.14721
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6
Estimated size of the clinical medical imaging physics workforce in the United States
Autor: Sean D, Rose, David W, Jordan, Nicholas B, Bevins, Jaydev K, Dave, David E, Hintenlang, Brad K, Lofton, Pankaj, Patel
Publikováno v: Journal of Applied Clinical Medical Physics. 23
There is no current authoritative accounting of the number of clinical imaging physicists practicing in the United States. Information about the workforce is needed to inform future efforts to secure training pathways and opportunities. In this study
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::d1d01209c712835efe2fc15d9feb9e30
https://doi.org/10.1002/acm2.13664
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7
Sub pixel resolution using spectral-spatial encoding in x-ray imaging
Autor: Sean D. Rose, Timothy P. Szczykutowicz, Alexander Kitt
Publikováno v: PLoS ONE, Vol 16, Iss 10, p e0258481 (2021)
PLoS ONE
PLoS ONE, Vol 16, Iss 10 (2021)
Purpose Previous efforts at increasing spatial resolution have relied on decreasing focal spot and or detector element size. Many “super resolution” methods require physical movement of a component of the imaging system. This work describes a met
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::1975b8644ec85c9be2fa1afc8e72d6f9
https://doaj.org/article/217d4e82ea984c8ca96290858b94b98a
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8
A Multiinstitutional Study on Wasted CT Scans for Over 60,000 Patients
Autor: Carrie Bartels, Timothy P. Szczykutowicz, Sean D. Rose, Robert K. Bour, Ben Viggiano
Publikováno v: AJR. American journal of roentgenology. 215(5)
OBJECTIVE. Repeated imaging is an unnecessary source of patient radiation exposure, a detriment to patient satisfaction, and a waste of time and money. Although analysis of rates of repeated and rejected images is mandated in mammography and recommen
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::6d514c3f1074444f46f7ad75d99f58d9
https://pubmed.ncbi.nlm.nih.gov/32960668
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9
CT Fluoroscopy for Image-Guided Procedures: Physician Radiation Dose During Full-Rotation and Partial-Angle CT Scanning
Autor: Jeff Radtke, Dan R. Anderson, Sean D. Rose, Meghan G. Lubner, J. Louis Hinshaw, Timothy P. Szczykutowicz, Fred T. Lee, Emily A. Knott, Annie M. Zlevor, Martin G. Wagner
Publikováno v: Journal of vascular and interventional radiology : JVIR. 32(3)
PURPOSE To determine physician radiation exposure when using partial-angle computed tomography (CT) fluoroscopy (PACT) vs conventional full-rotation CT and whether there is an optimal tube/detector position at which physician dose is minimized. MATER
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::519b24de5e9b465d70918565b42fa5da
https://pubmed.ncbi.nlm.nih.gov/33414069
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10
A Convex Reconstruction Model for X-Ray Tomographic Imaging With Uncertain Flat-Fields
Autor: Emil Y. Sidky, Sean D. Rose, Hari Om Aggrawal, Martin S. Andersen
Publikováno v: Aggrawal, H O, Andersen, M S, Rose, S & Sidky, E Y 2018, ' A Convex Reconstruction Model for X-ray Tomographic Imaging with Uncertain Flat-fields ' I E E E Transactions on Computational Imaging, vol. 4, no. 1, pp. 17-31 . https://doi.org/10.1109/TCI.2017.2723246
Classical methods for X-ray computed tomography are based on the assumption that the X-ray source intensity is known, but in practice, the intensity is measured and hence uncertain. Under normal operating conditions, when the exposure time is suffici
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::2b265c60ef7cdd4e7a5405bf20a7d3e4
https://doi.org/10.1109/tci.2017.2723246
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