1. A method, comprising: defining an actor input for an actor; defining a command associated with said actor input; defining a region for said actor input; detecting said actor input in said region; executing said command in response to said actor input; identifying at least one structural geometric salient feature of said actor from said actor input associated with said executed command; defining a structural geometric actor model of said actor from said at least one structural geometric salient feature; retaining a data set comprising at least one of said at least one structural geometric salient feature or said structural geometric actor model; and using said data set to identify subsequent actor inputs without requiring further training process from said actor for identifying said salient features of said actor.