Browsing by Author "Ria, Francesco"

Expanding the Concept of Diagnostic Reference Levels to Noise and Dose Reference Levels in CT.

Ria, Francesco; Davis, Joseph T; Solomon, Justin B; Wilson, Joshua M; Smith, Taylor B; Frush, Donald P; Samei, Ehsan (AJR. American journal of roentgenology, 2019-06-10)

OBJECTIVE. Diagnostic reference levels were developed as guidance for radiation dose in medical imaging and, by inference, diagnostic quality. The objective of this work was to expand the concept of diagnostic reference ...

Organ Doses from CT Localizer Radiographs: Development, Validation, and Application of a Monte Carlo Estimation Technique.

Sharma, Shobhit; Ria, Francesco; Hoye, Jocelyn; Zhang, Yakun; Fu, Wanyi; Kapadia, Anuj; Segars, W Paul; ... (9 authors) (Medical physics, 2019-08-23)

PURPOSE:The purpose of this study was to simulate and validate organ doses from different CT localizer radiograph geometries using Monte Carlo methods for a population of patients. METHODS:A Monte Carlo method was developed ...

Validation of Algorithmic CT Image Quality Metrics with Preferences of Radiologists.

Ria, Francesco; Cheng, Yuan; Abadi, Ehsan; Brunton Smith, Taylor; Meyer, Mathias; Marin, Daniele; Samei, Ehsan (Medical physics, 2019-08-29)

PURPOSE:Automated assessment of perceptual image quality on clinical Computed Tomography (CT) data by computer algorithms has the potential to greatly facilitate data-driven monitoring and optimization of CT image acquisition ...