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Figure 5
Number of incident photons on the sample required per pixel area to distinguish between the embedded object and the surrounding material with a 1σ statistical certainty. The presented values are for an ideal detector with zero background noise and unity DQE and gain at all energies. (a) 1 mm of bone embedded in 5 cm of soft tissue. (b) 1 mm of adipose tissue embedded in 5 cm of soft tissue. (c) 1 mm of bone embedded in 5 cm of adipose tissue. (d) 1 mm of soft tissue embedded in 5 cm of adipose tissue. (1) Absorption-based imaging using a crossed anti-scatter grid and no propagation phase-contrast enhancement; (2) ABI using Si(1,1,1); (3) ABI using Si(2,2,0); (4) ABI using Si(4,4,0); (5) ABI using Si(3,3,3).

Journal logoJOURNAL OF
SYNCHROTRON
RADIATION
ISSN: 1600-5775
Volume 20| Part 3| March 2013| Pages 405-412
doi:10.1107/S090904951300232X
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