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A comparison of the physical imaging properties of Fuji ST‐V, ST‐VA, and ST‐VN computed radiography image plates
Author(s) -
Kengyelics S. M.,
Davies A. G.,
Cowen A. R.
Publication year - 1998
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 - 10.1118/1.598412
Subject(s) - detective quantum efficiency , kerma , computed radiography , optical transfer function , radiography , optics , nuclear medicine , physics , image (mathematics) , image quality , dosimetry , medicine , computer science , artificial intelligence , nuclear physics
The physical imaging performance of ST‐V, ST‐VA, and ST‐VN computed radiography image plates, read with a Philips AC3 acquisition system, was investigated at 70 kVp with 0.5 mm of copper beam filtration for four different entrance air kerma values: 0.5, 2.6, 26, and 260 μGy. Measurements included characteristic response, presampling‐modulation transfer function, and Wiener spectrum analysis for ( 18 × 24 )   cm 2image plates, sampled at 10 pixels/mm. These results were used to calculate DQE spectral descriptions of system performance. ST‐VN image plates exhibited a slightly superior DQE performance for the two lower entrance air kerma values investigated.

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