148 search results - page 2 / 30 » Global visibility algorithms for illumination computations |
SIGGRAPH
1994
ACM
13 years 9 months ago
1994
ACM
In this paper we identify sources of error in global illumination algorithms and derive bounds for each distinct category. Errors arise from three sources: inaccuracies in the bou...
CGI
1998
IEEE
13 years 9 months ago
1998
IEEE
Ray tracing and Monte-Carlo based global illumination, as well as radiosity and other finite-element based global illumination methods, all require repeated evaluation of quantita...
TOG
2010
13 years 15 hour ago
2010
Accurately rendering glossy materials in design applications, where previewing and interactivity are important, remains a major challenge. While many fast global illumination solu...
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...
SIGGRAPH
1997
ACM
13 years 8 months ago
1997
ACM
Many problems in computer graphics and computer vision require accurate global visibility information. Previous approaches have typically been complicated to implement and numeric...