Augmented reality refers to the utilisation of computers to modify reality, usually in order to provide additional assistance when a human user is interacting with the real environment. The real world around humans provides a wealth of information which the human user must absorb and process through their senses. The most useful and informative of all human senses is the sense of vision and a huge amount of information about the ambiance is required to be sensed as well as processed by the human visual system. Computers are useful because they can provide an overlay of information to assist with the human processing of the information which they perceive through their senses, mostly the visual sense. As an example, a human who is walking around an urban area can be provided additional information through a head mounted display which superimposes textual information about identification of buildings and other important landmarks Continue reading