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Real-time camera tracking in the matris project

: Chandaria, J.; Thomas, G.; Bartczak, B.; Koeser, K.; Koch, R.; Becker, M.; Bleser, G.; Stricker, D.; Wohlleber, C.; Felsberg, M.; Hol, J.; Schön, T.B.; Skoglund, J.; Slycke, P.J.; Smeitz, S.

International Broadcasting Convention -IBC-:
IBC 2006, International Broadcasting Convention : The show is held annually in September at the RAI Exhibition and Congress Centre in Amsterdam, The Netherlands
London, 2006
ISBN: 0-9533673-7-1
International Broadcasting Convention (IBC) <2006, Amsterdam>
Fraunhofer IGD ()
Augmented reality (AR); camera tracking; markerless tracking

In order to insert a virtual object into a TV image, the graphics system needs to know precisely how the camera is moving, so that the virtual object can be rendered in the correct place in every frame. Nowadays this can be achieved relatively easily in post-production, or in a studio equipped with a special tracking system. However, for live shooting on location, or in a studio that is not specially equipped, installing such a system can be difficult or uneconomic. To overcome these limitations, the MATRIS project is developing a real-time system for measuring the movement of a camera. The system uses image analysis to track naturally occurring features in the scene, and data from an inertial sensor. No additional sensors, special markers, or camera mounts are required. This paper gives an overview of the system and presents some results.