52 search results - page 2 / 11 » Practical Product Importance Sampling for Direct Illuminatio... |
VC
2008
13 years 7 months ago
2008
Abstract We present an efficient method for importance sampling the product of multiple functions. Our algorithm computes a quick approximation of the product on-the-fly, based on ...
CGF
2008
13 years 7 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...
IJCV
2007
13 years 7 months ago
2007
Abstract. The appearance of an object greatly changes under different lighting conditions. Even so, previous studies have demonstrated that the appearance of an object under varyin...
EMMCVPR
2011
Springer
12 years 7 months ago
2011
Springer
Abstract. We present two data-driven importance distributions for particle filterbased articulated tracking; one based on background subtraction, another on depth information. In ...
SIGGRAPH
1991
ACM
13 years 11 months ago
1991
ACM
A general light transfer simulation algorithm for environments composed of materials with arbitrary reflectance functions is presented. This algorithm removes the previous practic...