6.2.2. Scattering Simulation
In order to model a skin layer bounded by rough surfaces, Stam extended the work by Stamnes and Conklin [233] for a skin layer bounded by a smooth surface. This work is based on the discrete-ordinate approximation of the radiative transfer equation [41]. The method of discrete-ordinates divides the radiative transport equation into n discrete fluxes to obtain n equations with n unknowns [201]. These equations were solved numerically by Stam [232] using Fourier transforms and eigenanalysis [99]. His approach was inspired by the work of Jin and Stammes [134].
Surface Reflection
The DO model takes into account the reflection and refraction from the rough surfaces by extending the BRDF model proposed by Cook and Torrance ...
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