Table 1. Optical coefficients for anatomical models described in section 2.2 including baseline absorption coefficients ${\mu }_{a_0}$ [mm⁻¹], scattering coefficients µ_s [mm⁻¹], anisotropic factors g and refractive indexes n; Note that brain tissue included gray and white matters [21].

Tissue	λ = 690 nm				λ = 830 nm
	${\mu }_{a_0}$	µs	g	n	${\mu }_{a_0}$	µs	g	n
Scalp	0.0159	8.0	0.9	1.4	0.0191	6.6	0.9	1.4
Skull	0.0101	10.0	0.9	1.4	0.0136	8.6	0.9	1.4
CSF	0.0004	0.1	0.9	1.4	0.0026	0.1	0.9	1.4
Brain	0.0178	12.5	0.9	1.4	0.0186	11.1	0.9	1.4
Vasculature	0.5745	74.5	0.985	1.4	0.4758	67.5	0.992	1.4