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IEEE Trans Med Imaging. 2010 Mar;29(3):790-806. doi: 10.1109/TMI.2009.2036995.

Modeling the performance characteristics of computed radiography (CR) systems.

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1
Department of Radiology, University of Massachusetts Medical School, Worcester, MA 01655, USA. srinivasan.vedantham@umassmed.edu

Abstract

Computed radiography (CR) using storage phosphors is widely used in digital radiography and mammography. A cascaded linear systems approach wherein several parameter values were estimated using Monte Carlo methods was used to model the image formation process of a single-side read ;;flying spot'' CR system using a granular phosphor. Objective image quality metrics such as modulation transfer function and detective quantum efficiency were determined using this model and show good agreement with published empirical data. A model such as that addressed in this work could allow for improved understanding of the effect of storage phosphor physical properties and CR reader parameters on objective image quality metrics for existing and evolving CR systems.

PMID:
20199915
PMCID:
PMC5228607
DOI:
10.1109/TMI.2009.2036995
[Indexed for MEDLINE]
Free PMC Article
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