22. The behavioral classification system of claim 1 , wherein the classification application further directs the microprocessor to: extract a set of parameters describing the poses and movement of at least the primary and secondary subjects from the plurality of frames from the sequence of frames of image data and from additional sensor data; and the classifier is trained to discriminate between a plurality of social behaviors based upon the set of parameters describing poses and movement of a plurality of subjects extracted from a plurality of frames of image data comprising depth information and additional sensor data.
23. The behavioral classification system of claim 22 , wherein the additional sensor data comprises at least one piece of sensor data selected from the group consisting of: audio data; motion detection data; pressure sensor data; temperature data; and ambient lighting data.