Proceedings of the Annual Conference of the Institute of Image Electronics Engineers of Japan
Online ISSN : 2436-4398
Print ISSN : 2436-4371
Proceedings of Visual Computing / Graphics and CAD Joint Symposium 2006
Session ID : 06-5
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14:00-15:30 Chair: Masanori KAKIMOTO, SGI Japan, Ltd.
Precomputed Radiance Transfer for Dynamic Scenes with Diffuse Interreflection
*Kei IWASAKIYoshinori DOBASHINaoki TAMURAHenry JOHANFujiichi YOSHIMOTOTomoyuki NISHITA
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CONFERENCE PROCEEDINGS FREE ACCESS

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Abstract

Real-time rendering of dynamic scenes taking into account global illumination is one of the challenging tasks in computer graphics. This paper proposes a new precomputed radiance transfer method for rendering dynamic scenes taking into account diffuse interreflection between objects. The interreflection of light between objects is calculated by considering the objects as light sources where the illumination distribution on the surface of objects, are expressed by Fourier series. This makes it possible to render dynamic scenes efficiently with diffuse interreflection whereas this is not possible using conventional precomputed radiance transfer methods. We also propose a method that runs on GPU and demonstrate that our method can render dynamic scenes with diffuse interreflection at interactive frame rates.

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© 2006 The Institute of Image Electronics Engineers of Japan
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