32 search results - page 3 / 7 » Exploiting coherence of shadow rays |
VIS
2004
IEEE
14 years 8 months ago
2004
IEEE
We present a space leaping technique for accelerating volume rendering with very low space and run-time complexity. Our technique exploits the ray coherence during ray casting by ...
SIGGRAPH
1999
ACM
13 years 12 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 ...
RT
2001
Springer
14 years 2 days ago
2001
Springer
Abstract. Many disciplines must handle the creation, visualization, and manipulation of huge and complex 3D environments. Examples include large structural and mechanical engineeri...
TOG
2010
13 years 2 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...
3DPVT
2006
IEEE
14 years 1 months ago
2006
IEEE
We present a new algorithm for improving an available (conservative) estimate of the shape of an object using constraints from ray-tracing. In particular, we exploit incoherences ...