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The MagicBook explores how interfaces can be developed that allow for seamless transition between Physical Reality, Augmented Reality (AR), and immersive Virtual Reality (VR) in a collaborative setting. The MagicBook is a normal book and can be read without any additional technology. However, when book pages are viewed through a handheld display three-dimensional virtual images appear overlaid on them. Readers can view these AR scenes from any perspective and can also fly into the scenes and experience them as an immersive VR world. VR users can see other VR users represented as life-sized virtual avatars, while AR users will see VR users as miniature avatars in the scene.
Billinghurst et al. (Mon,) studied this question.