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3D Live: Real Time Captured Content for Mixed Reality

Prince, S; Cheok, A; Farbiz, F; Williamson, T; Johnson, N; Billinghurst, M; Kato, H; (2002) 3D Live: Real Time Captured Content for Mixed Reality. Presented at: UNSPECIFIED.

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Abstract

We present a complete system for live capture of 3D content and simultaneous presentation in augmented reality. The user sees the real world from his viewpoint, but modified so that the image of a remote collaborator is rendered into the scene. Fifteen cameras surround the collaborator, and the resulting video streams are used to construct a three-dimensional model of the subject using a shape-from-silhouette algorithm. Users view a two-dimensional fiducial marker using a video-see-through augmented reality interface. The geometric relationship between the marker and head-mounted camera is calculated, and the equivalent view of the subject is computed and drawn into the scene. Our system can generate 384 × 288 pixel images of the models at 25 fps, with a latency of < 100 ms. The result gives the strong impression that the subject is a real part of the 3D scene. We demonstrate applications of this system in 3D videoconferencing and entertainment.

Type: Conference item (UNSPECIFIED)
Title: 3D Live: Real Time Captured Content for Mixed Reality
ISBN: 0769517811
DOI: 10.1109/ISMAR.2002.1115062
Publisher version: http://dx.doi.org/10.1109/ISMAR.2002.1115062
UCL classification: UCL > School of BEAMS > Faculty of Engineering Science
UCL > School of BEAMS > Faculty of Engineering Science > Computer Science
URI: http://discovery.ucl.ac.uk/id/eprint/148786
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