Table 5: Back parameters estimation for SPT II, III, IV, V, and VI.

Back STD STD STD STD STD

SPT II 5.3 0.06 0.0115 0.0002 0.5 0.03 46.9 0.15 0.90 0.008
SPT III 5.2 0.44 0.0118 0.0002 0.9 0.057 44.8 0.194 0.91 0.009
SPT IV 15.5 0.93 0.0138 0.0003 1.2 0.039 32.3 0.836 1.02 0.021
SPT V 33.9 0.94 0.0164 0.0003 1.2 0.046 29.6 0.269 1.13 0.022
SPT VI 43.4 0.18 0.0209 0.0001 0.7 0.031 31.0 0.430 1.87 0.058

STD: standard deviation. is the volume fraction of melanosome in %, is the epidermis thickness in mm, is the volume fraction of haemoglobin in %, is the oxygenated haemoglobin in %, and is the dermis thickness in mm.