9 search results - page 1 / 2 » Accurate Shadows by Depth Complexity Sampling |
CGF
2008
13 years 5 months ago
2008
The accurate generation of soft shadows is a particularly computationally intensive task. In order to reduce rendering time, most real-time and offline applications decorrelate th...
CGF
2008
13 years 5 months ago
2008
This paper introduces an accurate real-time soft shadow algorithm that uses sample based visibility. Initially, we present a GPU-based alias-free hard shadow map algorithm that ty...
GRAPHICSINTERFACE
2003
13 years 6 months ago
2003
We propose a new strategy for raytracing complex scenes without aliasing artifacts. The algorithm intersects anisotropic ray cones with prefiltered surface sample points from a mu...
RT
2001
Springer
13 years 9 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...
IJCV
1998
13 years 5 months ago
1998
A fundamental problem in depth from defocus is the measurement of relative defocus between images. The performance of previously proposed focus operators are inevitably sensitive t...