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Prior iterative reconstruction (PIR) to lower radiation dose and preserve radiologist performance for multiphase liver CT: a multi-reader pilot study

Autor: Bernard Schmidt, Eric C. Ehman, Shane Dirks, Cynthia H. McCollough, Joel G. Fletcher, Payam Mohammadinejad, Avinash Nehra, David R. Holmes, Sudhakar K. Venkatesh, Ryan Lowe, Rickey E. Carter, Yong Suk Lee, David M. Hough, Ahmed F. Halaweish, Rogerio N. Vasconcelos

Publikováno v: Abdominal radiology (New York). 45(1)

Prior iterative reconstruction (PIR) spatially registers CT image data from multiple phases of enhancement to reduce image noise. We evaluated PIR in contrast-enhanced multiphase liver CT. Patients with archived projection CT data with proven maligna

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::d2232678ded574e55c82c6ed36c05805
https://pubmed.ncbi.nlm.nih.gov/31705250

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Performance of a Small-Orifice Rocket Injector Utilizing Additive Manufacturing

Autor: Alexander Kaplan, Nicholas Gloria, James Kolano, Akshay Gupta, Wade Bassett, Ian Vorbach, Ian Rall, Nick Folz, Shane Dirks

Publikováno v: AIAA Propulsion and Energy 2019 Forum.

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::15eb0ca325dcf7c1d884e2c05137cef9
https://doi.org/10.2514/6.2019-4231

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MP01-08 USE OF DEDICATED STONE ANALYSIS SOFTWARE TO ASSESS URINARY STONE SIZE: TOWARDS SEMI-AUTOMATED METRICS TO ENHANCE PREDICTION OF SPONTANEOUS STONE PASSAGE

Autor: Roy P. Marcus, Shane Dirks, Cynthia H. McCollough, John C. Lieske, John Knoedler, Scott Heiner, Joel G. Fletcher

Publikováno v: Journal of Urology. 197

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::c39ea1907a3b267ab1c1fafbb4375375
https://doi.org/10.1016/j.juro.2017.02.083

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A virtual clinical trial using projection-based nodule insertion to determine radiologist reader performance in lung cancer screening CT

Autor: Lifeng Yu, Megan J. Hora, Cynthia H. McCollough, Shuai Leng, Edwin A. Takahashi, Chi Wan Koo, Baiyu Chen, Shane Dirks, Qiyuan Hu, David L. Levin, Tucker F. Johnson, Joel G. Fletcher, Kyle McMillan

Publikováno v: Medical Imaging 2017: Physics of Medical Imaging.

Task-based image quality assessment using model observers is promising to provide an efficient, quantitative, and objective approach to CT dose optimization. Before this approach can be reliably used in practice, its correlation with radiologist perf

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::62898d3c665db1350ee077e55332051e
https://doi.org/10.1117/12.2255593

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