Photographic Subtraction
- 1 November 1975
- journal article
- research article
- Published by SAGE Publications in Acta Radiologica. Diagnosis
- Vol. 16 (6) , 559-564
- https://doi.org/10.1177/028418517501600602
Abstract
The purpose of subtraction of angiographic images is to demonstrate the vessels free of superimposed, disturbing image noise. With the aid of physical film parameters the theoretic basis for an optimum subtraction technique is presented.Keywords
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