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Proceedings Paper

Optimization and quality control of computed radiography
Author(s): Charles E. Willis; John C. Weiser; Robert G. Leckie; John R. Romlein; Gary S. Norton
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Paper Abstract

Computed radiography (CR) is a relatively new technique for projection radiography. Few hospitals have CR devices in routine service and only a handful have more than one CR unit. As such, the clinical knowledge base does not yet exist to establish quality control (QC) procedures for CR devices. Without assurance that CR systems are operating within nominal limits, efforts to optimize CR performance are limited in value. A complete CR system includes detector plates that vary in response, cassettes, an electro-optical system for developing the image, computer algorithms for processing the raw image, and a hard copy output device. All of these subsystems are subject to variations in performance that can degrade image quality. Using CR manufacturer documentation, we have defined acceptance protocols for two different Fuji CR devices, the FCR 7000 and the AC1+, and have applied these tests to ten individual machines. We have begun to establish baseline performance measures and to determine measurement frequencies. CR QC is only one component of the overall quality control for totally digital radiology departments.

Paper Details

Date Published: 1 May 1994
PDF: 8 pages
Proc. SPIE 2164, Medical Imaging 1994: Image Capture, Formatting, and Display, (1 May 1994); doi: 10.1117/12.173999
Show Author Affiliations
Charles E. Willis, Univ. of Texas/Houston Health Science Ctr. (United States)
John C. Weiser, MDIS Project Office (United States)
Robert G. Leckie, MDIS Project Office (United States)
John R. Romlein, MDIS Project Office (United States)
Gary S. Norton, Air Force Medical Logistics Office (United States)

Published in SPIE Proceedings Vol. 2164:
Medical Imaging 1994: Image Capture, Formatting, and Display
Yongmin Kim, Editor(s)

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