The accumulation buffer: hardware support for high-quality rendering
SIGGRAPH '90 Proceedings of the 17th annual conference on Computer graphics and interactive techniques
A global illumination solution for general reflectance distributions
Proceedings of the 18th annual conference on Computer graphics and interactive techniques
Fast shadows and lighting effects using texture mapping
SIGGRAPH '92 Proceedings of the 19th annual conference on Computer graphics and interactive techniques
A realistic camera model for computer graphics
SIGGRAPH '95 Proceedings of the 22nd annual conference on Computer graphics and interactive techniques
The hemi-cube: a radiosity solution for complex environments
SIGGRAPH '85 Proceedings of the 12th annual conference on Computer graphics and interactive techniques
A lens and aperture camera model for synthetic image generation
SIGGRAPH '81 Proceedings of the 8th annual conference on Computer graphics and interactive techniques
Casting curved shadows on curved surfaces
SIGGRAPH '78 Proceedings of the 5th annual conference on Computer graphics and interactive techniques
Sensor systems for interactive surfaces
IBM Systems Journal
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Virtual set technology, which evolved from the traditional blue-screen "chromakey" technique, has already started to influence the broadcast industry. The possibility of combining, in real time, actors and realistic-looking computer-generated sets has significant consequences in both economics and creative design. Although today's virtual set technology can undoubtedly be used successfully even in live productions, a long list of problems still awaits solutions. Users typically demand from the virtual set much more complexity andýoddly enoughýrealism than from real sets. This is understandable, because the virtual set is supposed to unleash the imagination; nevertheless, both performance and realism of computer-generated scenes have their limits. Another big issue is the interaction of the actors with the virtual set. This article addresses the main challenges faced by the virtual set today and attempts to define requirements to make virtual sets a more complete and reliable production tool.