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Proceedings Paper

Equivalent Blur Of Intensifying Screens
Author(s): Perry Sprawls
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Paper Abstract

Intensifying screens are a significant source of blur in most medical x-ray imaging systems. In the analysis of x-ray system performance it is desirable to specify intensifying screen blur in terms of a single parameter which can be easily combined with focal-spot blur. This is achieved by describing screen performance in terms of equivalent blur, which is defined as the dimension of a square blur pattern which has a uniform intensity distribution. This paper describes a simple method for obtaining equivalent blur values from the MTF of intensifying screens and gives the values for representative screens.

Paper Details

Date Published: 27 December 1977
PDF: 4 pages
Proc. SPIE 0127, Application of Optical Instrumentation in Medicine VI, (27 December 1977); doi: 10.1117/12.955922
Show Author Affiliations
Perry Sprawls, Emory University (United States)


Published in SPIE Proceedings Vol. 0127:
Application of Optical Instrumentation in Medicine VI
Joel E. Gray; William R. Hendee, Editor(s)

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