27 search results - page 1 / 6 » Efficient Shadows for Sampled Environment Maps |
JGTOOLS
2006
13 years 6 months ago
2006
This paper addresses the problem of efficiently calculating shadows from environment maps in the context of ray-tracing. Since accurate rendering of shadows from environment maps ...
CGF
2006
13 years 7 months ago
2006
Shadows, particularly soft shadows, play an important role in the visual perception of a scene by providing visual cues about the shape and position of objects. Several recent alg...
ICCV
1999
IEEE
13 years 11 months ago
1999
IEEE
This paper describes a new method for estimating the illumination distribution of a real scene from a radiance distribution inside shadows cast by an object in the scene. First, t...
RT
2001
Springer
13 years 11 months ago
2001
Springer
Opacity shadow maps approximate light transmittance inside a complex volume with a set of planar opacity maps. A volume made of standard primitives (points, lines, and polygons) i...
ICCV
1999
IEEE
14 years 8 months ago
1999
IEEE
This paper describes a new method for estimating the illumination distribution of a real scene from a radiance distribution inside shadows cast by an object in the scene. First, t...