1. A system comprising: a motion detection processor; a motion tracking processor coupled to the motion detection processor; an object detection processor; a controller coupled to the motion tracking processor; a fusion processor coupled to the controller processor and the people detection processor; an appearance model generator processor coupled to the fusion processor; a database coupled to the appearance model generator processor; a search processor coupled to the database; and a matching processor coupled to the database and the fast search processor; wherein the motion detection processor, the motion tracking processor, the controller, the people detection processor, the fusion processor, and the appearance model generator processor comprise an analytics pipeline, and wherein the database and the fast search processor comprise a data index pipeline.