Figure 3
(a) A tomographic slice of a lung for the 2.9 µm-pixel-size optics. Regions for calculating CNR are defined by the rectangles, the red dashed line indicates the input for the line-profile plot in (b) and the solid magenta line indicates the edge line plot in (c). (d) Mean PSD from many line plots with the calculated noise baseline and the respective resolution criterion.  [article HTML]