Research Article

Investigation of Attenuation Correction for Small-Animal Single Photon Emission Computed Tomography

Figure 2

The attenuation correction factor matrix corresponds to the projection data of 41th slice of (a) the rat-sized phantom, (b) the four-quarter phantom, (c) the concentric phantom, and (d) the rat experiment.
430276.fig.002a
(a)
430276.fig.002b
(b)
430276.fig.002c
(c)
430276.fig.002d
(d)