30 search results - page 4 / 6 » Computing Exact Shadow Irradiance Using Splines |
JCST
2010
13 years 6 months ago
2010
Abstract This paper introduces a caching technique based on a volumetric representation that captures low-frequency indirect illumination. This structure is intended for efficient ...
ICPR
2000
IEEE
14 years 8 months ago
2000
IEEE
This paper describes a new method to recover the sign of the local Gaussian curvature at each point on the visible surface of a 3-D object. Multiple (p > 3) shaded images are a...
CVPR
2009
IEEE
14 years 2 months ago
2009
IEEE
Illuminant estimation from shadows typically relies on accurate segmentation of the shadows and knowledge of exact 3D geometry, while shadow estimation is difficult in the presen...
CGF
2002
13 years 7 months ago
2002
Texture mapping has become indispensable in image synthesis as an inexpensive source of rich visual detail. Less obvious, but just as useful, is its ability to mask image errors d...
CGF
1998
13 years 7 months ago
1998
Thin plate splines are a well known entity of geometric design. They are defined as the minimizer of a variational problem whose differential operators approximate a simple notio...