Research on inosculation between master of ceremonies or players and virtual scene in virtual studio

Zili Li; Guangxi Zhu; Yaoting Zhu

doi:10.1117/12.497831

1 April 2003 Research on inosculation between master of ceremonies or players and virtual scene in virtual studio

Zili Li, Guangxi Zhu, Yaoting Zhu

Proceedings Volume 4756, Third International Conference on Virtual Reality and Its Application in Industry; (2003) https://doi.org/10.1117/12.497831
Event: Third International Conference on Virtual Reality and Its Application in Industry, 2002, Hangzhou, China

Abstract

A technical principle about construction of virtual studio has been proposed where orientation tracker and telemeter has been used for improving conventional BETACAM pickup camera and connecting with the software module of the host. A model of virtual camera named Camera & Post-camera Coupling Pair has been put forward, which is different from the common model in computer graphics and has been bound to real BETACAM pickup camera for shooting. The formula has been educed to compute the foreground frame buffer image and the background frame buffer image of the virtual scene whose boundary is based on the depth information of target point of the real BETACAM pickup camera's projective ray. The effect of real-time consistency has been achieved between the video image sequences of the master of ceremonies or players and the CG video image sequences for the virtual scene in spatial position, perspective relationship and image object masking. The experimental result has shown that the technological scheme of construction of virtual studio submitted in this paper is feasible and more applicative and more effective than the existing technology to establish a virtual studio based on color-key and image synthesis with background using non-linear video editing technique.

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Zili Li, Guangxi Zhu, and Yaoting Zhu "Research on inosculation between master of ceremonies or players and virtual scene in virtual studio", Proc. SPIE 4756, Third International Conference on Virtual Reality and Its Application in Industry, (1 April 2003); https://doi.org/10.1117/12.497831

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KEYWORDS

Cameras

Virtual reality

Video

3D modeling

Imaging systems

Visualization

Image processing

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