35 search results - page 1 / 7 » Computing the antipenumbra of an area light source |
SIGGRAPH
1992
ACM
13 years 8 months ago
1992
ACM
We define the antiumbra and the antipenumbra of a convex area light source shining through a sequence of convex areal holes in three dimensions. The antiumbra is the volume from w...
ICPR
2004
IEEE
14 years 5 months ago
2004
IEEE
Most illuminant estimation algorithms worked on point light sources or directional light sources. Little attempt has been made, however, to estimate area light sources. In this pa...
CGVR
2006
13 years 6 months ago
2006
The computation of soft shadows created by area light sources is a well-known problem in computer graphics. Due to the complexity of the problem, soft shadows commonly are generat...
SIGGRAPH
1994
ACM
13 years 8 months ago
1994
ACM
The fast identification of shadow regions due to area light sources is necessary for realistic rendering and for discontinuity meshing for global illumination. A new shadow-determ...
RT
1997
Springer
13 years 9 months ago
1997
Springer
Abstract: An object space algorithm for computing shadows in dynamic scenes illuminated by area light sources is presented. A mesh with the shadow boundaries as well as other disco...