Projection-based augmented reality with automated shape scanning

Yoshihiro Yasumuro; Masataka Imura; Yoshitsugu Manabe; Osamu Oshiro; Kunihiro Chihara

doi:10.1117/12.586303

22 March 2005 Projection-based augmented reality with automated shape scanning

Yoshihiro Yasumuro, Masataka Imura, Yoshitsugu Manabe, Osamu Oshiro, Kunihiro Chihara

Proceedings Volume 5664, Stereoscopic Displays and Virtual Reality Systems XII; (2005) https://doi.org/10.1117/12.586303
Event: Electronic Imaging 2005, 2005, San Jose, California, United States

Abstract

We propose a new framework for interactive Augmented Reality (AR) and Mixed Reality (MR) representation using both visible and invisible projection onto physical target objects. Projection-based approach for constructing AR/MR uses physical objects such as walls, books, plaster ornaments and whatever the computer generated contents can be optically projected onto. Namely, projection makes it possible to use real objects as displays. We mainly focus on capturing and utilizing the 3D shape of the object surface, whose information allows the AR/MR system to take into account the visual consistency when merging the physical and rendered objects. 3D shape data of the object can be used to compensate the distortion caused by the difference between positions of projectors and the viewer. The other advantage is the capability to generate proper visual occlusion between physical and virtual objects so that they seem to coexist in front of the viewer. What we demonstrate in this study is to employ near-infrared pattern projection for triangulation so that scanning and updating the geometry data of the object is automatically performed in background process, thus parallel processing to provide AR/MR representation can be achieved according to dynamic physical geometry changes.

Citation Download Citation

Yoshihiro Yasumuro, Masataka Imura, Yoshitsugu Manabe, Osamu Oshiro, and Kunihiro Chihara "Projection-based augmented reality with automated shape scanning", Proc. SPIE 5664, Stereoscopic Displays and Virtual Reality Systems XII, (22 March 2005); https://doi.org/10.1117/12.586303

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