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Optical Engineering

Comparison Of Imaging Characteristics Of Digital Subtraction Angiography Utilizing Geometrical Magnification And Electro-Optical Magnification Techniques
Author(s): Pei-Jan Paul Lin; Richard A. Mintzer
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Paper Abstract

The resolution characteristics of a digital subtraction angiography (DSA) system have been evaluated under two different magnification techniques, namely, the geometrical magnification technique and the electro-optical magnification technique. It has been found that the DSA system resolution is less dependent on the focal spot size [or modulation transfer function (MTF)] than that of routine radiographic angiographic studies. The evaluation results have been utilized to reestablish the DSA examination procedure.

Paper Details

Date Published: 1 April 1984
PDF: 5 pages
Opt. Eng. 23(2) 232224 doi: 10.1117/12.7973415
Published in: Optical Engineering Volume 23, Issue 2
Show Author Affiliations
Pei-Jan Paul Lin, Northwestern University Medical School (United States)
Richard A. Mintzer, Northwestern University Medical School (United States)

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