203537.fig.001a
(a)
203537.fig.001b
(b)
203537.fig.001c
(c)
Figure 1: (a) Mouse chest phantom composed of muscle, lungs, heart, and bone, with one source in right lung. (b) The forward discretized mesh and the photon distribution on the surface. (c) The initial mesh used in the adaptive reconstruction, with average edge size 1.637 mm.