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  • Bimber, Oliver (2)
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Coded Projection and Illumination for Television Studios (2007)
Grundhöfer, Anselm ; Seeger, Manja ; Häntsch, Ferry ; Bimber, Oliver
We propose the application of temporally and spatially coded projection and illumination in modern television studios. In our vision, this supports ad-hoc re-illumination, automatic keying, unconstrained presentation of moderation information, camera-tracking, and scene acquisition. In this paper we show how a new adaptive imperceptible pattern projection that considers parameters of human visual perception, linked with real-time difference keying enables an in-shot optical tracking using a novel dynamic multi-resolution marker technique
Dynamic Adaptation of Projected Imperceptible Codes (2007)
Grundhöfer, Anselm ; Seeger, Manja ; Häntsch, Ferry ; Bimber, Oliver
In this paper we present a novel adaptive imperceptible pattern projection technique that considers parameters of human visual perception. A coded image that is invisible for human observers is temporally integrated into the projected image, but can be reconstructed by a synchronized camera. The embedded code is dynamically adjusted on the fly to guarantee its non-perceivability and to adapt it to the current camera pose. Linked with real-time flash keying, for instance, this enables in-shot optical tracking using a dynamic multi-resolution marker technique. A sample prototype is realized that demonstrates the application of our method in the context of augmentations in television studios.
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