US Patent 8102334 Augmenting reality for a user

Augmenting reality for a user including creating a model of a region of the user's environment in a direction of the user's field of vision; determining, in dependence upon the model of the region of the user's environment, that an object located within the user's environment is invisible to the user; determining, in dependence upon the direction of the user's field of vision, the object's location, and the model of the region of the user's environment, a location to display a representation of the object on a transparent display in front of the user's field of vision; and displaying the representation of the object at the determined location on the transparent display in front of the user's field of vision.