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TOG
2008
163views more  TOG 2008»
13 years 4 months ago
Imperfect shadow maps for efficient computation of indirect illumination
We present a method for interactive computation of indirect illumination in large and fully dynamic scenes based on approximate visibility queries. While the high-frequency nature...
Tobias Ritschel, Thorsten Grosch, Min H. Kim, Hans...
JGTOOLS
2008
189views more  JGTOOLS 2008»
13 years 4 months ago
Subtractive Shadows: A Flexible Framework for Shadow Level of Detail
Abstract. We explore the implications of reversing the process of shadow computation for real-time applications that model complex reflectance and lighting (such as that specified ...
Christopher DeCoro, Szymon Rusinkiewicz
JCST
2010
147views more  JCST 2010»
13 years 3 months ago
Volumetric Vector-Based Representation for Indirect Illumination Caching
Abstract This paper introduces a caching technique based on a volumetric representation that captures low-frequency indirect illumination. This structure is intended for efficient ...
Romain Pacanowski, Xavier Granier, Christophe Schl...
SI3D
1992
ACM
13 years 9 months ago
Lights from Highlights and Shadows
Designing the illumination of a scene is a di cult task because one needs to render the whole scene in order to look at the result. Obtaining the correct lighting e ects may requi...
Pierre Poulin, Alain Fournier
SI3D
2009
ACM
13 years 11 months ago
Approximating dynamic global illumination in image space
Physically plausible illumination at real-time framerates is often achieved using approximations. One popular example is ambient occlusion (AO), for which very simple and efficie...
Tobias Ritschel, Thorsten Grosch, Hans-Peter Seide...