75 search results - page 10 / 15 » Ray Maps for Global Illumination |
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CGF
2006
14 years 9 months ago
2006
Generating soft shadows in real time is difficult. Exact methods (such as ray tracing, and multiple light source simulation) are too slow, while approximate methods often overesti...
PG
2007
IEEE
15 years 4 months ago
2007
IEEE
Standard density estimation approaches suffer from visible bias due to low-pass filtering of the lighting function. Therefore, most photon density estimation methods have been us...
CGF
2010
14 years 10 months ago
2010
Area lights add tremendous realism, but rendering them interactively proves challenging. Integrating visibility is costly, even with current shadowing techniques, and existing met...
CGF
2008
14 years 10 months ago
2008
We describe a global illumination method combining two well known techniques: photon mapping and irradiance caching. The photon mapping method has the advantage of being view inde...
PG
2007
IEEE
15 years 4 months ago
2007
IEEE
A fundamental challenge for existing shadow map based algorithms is dealing with partially illuminated surfaces. A conventional shadow map built with a pinhole camera only determi...