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* Corresponding author 1 MPII - Max Planck Institut für Informatik 2 iMAGIS - Models, Algorithms and Geometry for Computer Generated Image Graphics GRAVIR - IMAG - Graphisme, Vision et Robotique, Inria Grenoble - Rhône-Alpes 3 GGG - Girona Graphics Group

Abstract : The ability to perform interactive walkthroughs of global illumination solutions including glossy effects is a challenging open problem. In this paper we overcome certain limitations of previous approaches. We first introduce a novel, memory- and compute-efficient representation of incoming illumination, in the context of a hierarchical radiance clustering algorithm. We then represent outgoing radiance with an adaptive hierarchical basis, in a manner suitable for interactive display. Using appropriate refinement and display strategies, we achieve walkthroughs of glossy solutions at interactive rates for non-trivial scenes. In addition, our implementation has been developed to be portable and easily adaptable as an extension to existing, diffuse-only, hierarchical radiosity systems. We present results of the implementation of glossy global illumination in two independent global illumination systems.

Keywords : global illumination glossy reflection interactive viewing

Autor: Marc Stamminger - Annette Scheel - Xavier Granier - Frederic Perez-Cazorla - George Drettakis - François X. Sillion -

Fuente: https://hal.archives-ouvertes.fr/


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