9 search results - page 2 / 2 » Improved shading model in spectral-based ray tracing method |
CGF
2008
13 years 8 months ago
2008
The visibility function in direct illumination describes the binary visibility over a light source, e.g., an environment map. Intuitively, the visibility is often strongly correla...
SIGGRAPH
1999
ACM
14 years 25 days 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 ...
EUROGRAPHICS
2010
Eurographics
14 years 5 months ago
2010
Eurographics
Hierarchical culling is a key acceleration technique used to efficiently handle massive models for ray tracing, collision detection, etc. To support such hierarchical culling, bo...
ICCSA
2003
Springer
14 years 1 months ago
2003
Springer
Abstract. This paper describes how function-based shape modeling can be expanded to web visualization, as well as how web-based visualization can be greatly improved by using the f...