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A simple digitizer technique for determining the effective center of spoke shots
Author(s) -
Biggs Peter J.
Publication year - 1984
Publication title -
medical physics
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.473
H-Index - 180
eISSN - 2473-4209
pISSN - 0094-2405
DOI - 10.1118/1.595566
Subject(s) - isocenter , simple (philosophy) , center (category theory) , computer science , point (geometry) , ruler , optics , artificial intelligence , computer vision , mathematics , physics , imaging phantom , geometry , philosophy , chemistry , epistemology , crystallography , quantum mechanics
A method is described for computing the effective center of an x‐ray spoke shot pattern and determining its separation from a given reference point, such as the mechanical isocenter. This method is as quick as, but more accurate than, the standard technique of using a ruler.