Figure 3
(a) Lung phantom sample of solid glass spheres of 90–106 µm diameter suspended in agarose gel, imaged at 30 keV, CB = 0, 15 mm PSW, R2 = 1 m, with the inset showing an area of individually suspended spheres at (b) R2 = 1 m and (c) 5.96 m. The grey scale is the same for all three images. |