Simply put, AR is the combination of digital data and real-world human sensory input in real-time that is apparently attached (registered) to the physical space.
AR is most often associated with visual augmentation, where computer graphics are combined with actual world imagery. Using a mobile device, such as a smartphone or tablet, AR combines graphics with video. We refer to this as handheld video see-through. The following is an image of the Pokémon Go game that brought AR to the general public in 2016:
AR is not really new; it has been explored in research labs, military, and other industries since the 1990's. ...