CGF
2011
12 years 8 months ago
2011
We accelerate the finding of occluders in tree based acceleration structures, such as a packetized BVH and a single ray kd-tree, by deriving the ray termination surface area heur...
MVA
2002
13 years 4 months ago
2002
In the eld of computer vision, bene cial methods of measuring surface shape of transparent objects such as glasses have rarely been proposed. In this paper, we propose a convenien...
TOG
2008
13 years 4 months ago
2008
The quality of a 3D range scan should not depend on the surface properties of the object. Most active range scanning techniques, however, assume a diffuse reflector to allow for a...
CGIM
2003
13 years 5 months ago
2003
Transparency in 3D graphics has traditionally been created by ordering the transparent objects from back-to-front with respect to the viewpoint, and rendering the opaque objects ...
CVPR
2005
IEEE
14 years 6 months ago
2005
IEEE
Abstract. This paper addresses the problem of finding glass objects in images. Visual cues obtained by combining the systematic distortions in background texture occurring at the b...