37 search results - page 3 / 8 » Performance Comparison of Techniques for Approximating Image... |
CGF
2008
13 years 6 months ago
2008
Authors' version: This paper presents a novel approach to obtain plausible soft shadows for complex dynamic scenes and a rectangular light source. We estimate the lights occl...
VC
2008
13 years 6 months ago
2008
It is difficult to render caustic patterns at interactive frame rates. This paper introduces new rendering techniques that relax current constraints, allowing scenes with moving, n...
CIMAGING
2009
13 years 7 months ago
2009
Space-varying convolution often arises in the modeling or restoration of images captured by optical imaging systems. For example, in applications such as microscopy or photography...
CVPR
2009
IEEE
15 years 19 days ago
2009
IEEE
Most active scene recovery techniques assume that a scene point is illuminated only directly by the illumination source. Consequently, global illumination effects due to inter-refl...
PAMI
2006
13 years 6 months ago
2006
In this paper, we propose two novel methods for face recognition under arbitrary unknown lighting by using spherical harmonics illumination representation, which require only one t...