Deterministic ray models:trends Speed up techniques to decrease CPU time,e.g.parallelization on Graphical Processing Units A-priori determination of computation parameters,"active"database area and ray selection Exploitation of the multidimensional prediction potential Integration of statistical elements into the deterministic model such as diffuse scattering 10 • Speed up techniques to decrease CPU time, e.g. parallelization on Graphical Processing Units • A-priori determination of computation parameters, “active” database area and ray selection • Exploitation of the multidimensional prediction potential • Integration of statistical elements into the deterministic model such as diffuse scattering Deterministic ray models: trends 10