Step-Wedge Sensitometry

descriptionPublicationkeyboard_double_arrow_right Article 01 Sep 1978 English Publisher:Radiological Society of North America (RSNA)Journal:Radiology, volume 128, pages 820-821 (issn: 0033-8419, eissn: 1527-1315,

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Authors: J, Hale; P, Bloch;

doi: 10.1148/128.3.820

pmid: 674670

Step-Wedge Sensitometry

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Abstract

An aluminum step-wedge filter placed far from the film cassette provides the constant variation of subject contrast required for quantitative sensitometry while virtually eliminating scatter radiations. Attenuation curves made with this configuration are almost exponentially linear.

Keywords

Radiography

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