Constructing immersive virtual space for HAI with photos

We have developed a method for reconstructing a virtual space consisting of panoramic images for a given area of the real world.

We combinine multiple computer-vision techniques such as structure from motion, multi view stereo, and depth map  (Fig. 1).  As the user virtually walks around the given space, a panoramic image for the location is computed almost in real time.  The current version can automatically re-construct from approximately 1200 digital photos a 3D scene for a 20m x 20m space in 4 days.

Fig.1: Virtual panoramic world creator

References

[Mori 2011] Shingo Mori, Yoshimasa Ohmoto, and Toyoaki Nishida. Constructing immersive virtual space for HAI with photos, GrC 2011 (to be presented)

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