Extended Finite Element Method with Simplified Spherical Harmonics Approximation for the Forward Model of Optical Molecular Imaging

Table 1

Optical parameters of phantom.

Material	𝜇𝑎[mm^−1]	𝜇𝑠[mm^−1]	𝑔
Muscle	0.01	4.0	0.9
Lung	0.35	23.0	0.94
Heart	0.2	16.0	0.85
Liver	0.002	20.0	0.9
Bone	0.035	6.0	0.9