A moving-object position and orientation acquisition section acquires a position and an orientation of a moving object detected by a tracker provided in the moving object to be moved by a user. An AR region determination section determines, as an augmented reality region, a region that corresponds to a partial space occupied by the moving object in a real world and viewed from a viewpoint of the user. The moving object is configured to be moved by the user. An AR generation section generates an augmented reality image in the augmented reality region in a shot image of the real world.