41 search results - page 3 / 9 » Sample Based Visibility for Soft Shadows using Alias-free Sh... |
JGTOOLS
2008
13 years 6 months ago
2008
Abstract. Soft shadow mapping is an attractive solution to the problem of realtime soft shadows because it works with any kind of rasterizable geometry (in particular alpha-transpa...
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 ...
CVPR
2007
IEEE
14 years 8 months ago
2007
IEEE
We present an algorithm for performing Lambertian photometric stereo in the presence of shadows. The algorithm has three novel features. First, a fast graph cuts based method is u...
CGF
2006
13 years 6 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...
SIBGRAPI
2006
IEEE
14 years 12 days ago
2006
IEEE
This paper presents a novel image-based approach to render plausible soft shadows for complex dynamic scenes with rectangular light sources. The algorithm's performance is mo...