Technical details
"Unlimited Corridor" is a VR system that combines redirected walking techniques and visuo-haptic interaction. By storongly manipulating the spatial perception, this system enables us to walk in virtual environment within a limited space.Redirected walking techniques make you feel as if you walk straight, though you walk in a bent way, by correcting the image displayed on the HMD. Conventionally, to make you feel that you are walking straight, you must walk on the circumference of a radius 22m or more. In the "Unlimited Corridor", by visually presenting the virtual plane wall and touching the real curved wall, it will cause the feeling of touching the plane wall. This is the visuo-haptic interaction that is a phenomenon that changes haptic perception under the influence of the visual stimulus received at the same time. By evoking this visuo-haptic interaction, though you walk on the circumference of the radius 3m, it made it possible to make you feel that you are walking straight.
Also, by placing a passage in the center of the semi-circular walls, it made it possible to turn at the three-way intersection. This enable us to extend the applicability of the technique.
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