18 search results - page 4 / 4 » Ray Tracing Height Fields |
GRAPHICSINTERFACE
2003
13 years 6 months ago
2003
We propose a new strategy for raytracing complex scenes without aliasing artifacts. The algorithm intersects anisotropic ray cones with prefiltered surface sample points from a mu...
RT
1998
Springer
13 years 9 months ago
1998
Springer
Most current image-based rendering methods operate under the assumption that all of the visible surfaces in the scene are opaque ideal diffuse (Lambertian) reflectors. This paper i...
CGF
2008
13 years 5 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...