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PG
2007
IEEE
14 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...
PG
2007
IEEE
14 years 4 months ago
2007
IEEE
Animations of two avatars tangled with each other often appear in battle or fighting scenes in movies or games. However, creating such scenes is difficult due to the limitations...
PG
2007
IEEE
14 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...
PG
2007
IEEE
14 years 4 months ago
2007
IEEE
Caustics are important visual phenomena, as well as challenging global illumination effects in computer graphics. Physically caustics can be interpreted from one of two perspectiv...
PG
2007
IEEE
14 years 4 months ago
2007
IEEE
We introduce QAS, an efficient quadratic approximation of subdivision surfaces which offers a very close appearance compared to the true subdivision surface but avoids recursion,...