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Vol. 21 (2016) No. 3 p. 401-410




We propose a novel display method, EnchanTable, that can augment a table surface with mid-air images. Users can interact with visual images displayed on the table by using real objects. In our optical design, we place an optical imaging device behind a table, and the light from the device forms a vertically standing mid-air image reflected at the table surface. This design displays the image right on the table. The merit of our method is that the requirement for the table is only a reflective surface. Utilizing this, we can add extra devices, such as touch sensors, around the table, or display mid-air images on a tablet whose surface is sufficiently reflective. Owing to its compactness, this method can be applied to other tabletop-interaction systems.

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