20 search results - page 3 / 4 » Soft Shadow Maps: Efficient Sampling of Light Source Visibil... |
GRAPHICSINTERFACE
2008
13 years 6 months ago
2008
Recently, several soft shadow mapping algorithms have been introduced which extract micro-occluders from a shadow map and backproject them on the light source to approximately det...
CGVR
2006
13 years 6 months ago
2006
We present Penumbra Limit Maps, a technique for rendering soft shadows from a modified shadow map. The shadow representation used by our method has excellent interpolation propert...
CGF
2004
13 years 4 months ago
2004
This paper presents a general variance reduction method that is a quasi-optimal combination of correlated and importance sampling. The weights of the combination are selected auto...
SIGGRAPH
1999
ACM
13 years 9 months ago
1999
ACM
In this paper we present a technique for computing the direct lighting in a three-dimensional scene containing area light sources. Our method correctly handles partial visibility ...
TOG
2010
12 years 11 months ago
2010
Volumetric effects such as beams of light through participating media are an important component in the appearance of the natural world. Many such effects can be faithfully modele...