Augmented reality display device, augmented reality display system, augmented reality display method and augmented reality display program

摘要

PROBLEM TO BE SOLVED: To perform prescribed processing on imaging a prescribed subject.SOLUTION: A mobile information device comprises: a camera 202 for outputting a photographic image; an augmented reality information acquisition unit 255 for acquiring augmented reality information including a background image having the same subject as the photographic image; a reality display region determination unit 258 for determining a reality display region that has the same relation as a relative position of the subject in the background image to the display region regarding a relative position to the subject in the photographic image, in which the augmented reality information includes region information indicating a display region determined by a relative position to the subject in the background image and related information related to the subject in addition to the background image; a display control unit 257 for displaying the related information included in the augmented reality information in the reality display region; a different part extraction unit 271 for extracting a different part which is a part different between the background image and the photographic image; and a processing execution unit 273 for executing predetermined processing if the different part is extracted.