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Figure 5
Optimal magnification Mopt as a function of the ratio of the detector resolution to the X-ray source size, Δdet/Δsrc (= σdet/σsrc), in the cases of: (1) PBI contrast, Mopt = MC = 1 + Δdet/Δsrc (dotted line); (2) CNR, Mopt = MCNR (solid line); (3) biomedical X-ray imaging quality in 2D PBI images, Mopt = MQ2 = Mathematical equation (dashed line); (4) biomedical X-ray imaging quality in PB-CT reconstructions: Mopt = MQ3 (dash-dotted line) (MQ2 and MQ3 are defined in Section 4[link]).

Journal logoJOURNAL OF
SYNCHROTRON
RADIATION
ISSN: 1600-5775
Volume 33| Part 2| March 2026| Pages 395-408
https://doi.org/10.1107/S1600577525010732
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