18 search results - page 3 / 4 » Optimizing Combined Volume and Surface Data Ray Casting |
IPMI
2007
Springer
14 years 10 months ago
2007
Springer
Abstract. Volume segmentation is a relatively slow process and, in certain circumstances, the enormous amount of prior knowledge available is underused. Model-based liver segmentat...
IJCV
1998
13 years 9 months ago
1998
This paper presents a method that uses the level sets of volumes to reconstruct the shapes of 3D objects from range data. The strategy is to formulate 3D reconstruction as a stati...
EGH
2009
Springer
13 years 7 months ago
2009
Springer
A major factor for the efficiency of ray tracing is the use of good acceleration structures. Recently, bounding volume hierarchies (BVHs) have become the preferred acceleration st...
ICCV
2003
IEEE
14 years 11 months ago
2003
IEEE
Registration of a preoperative CT (3D) image to one or more X-ray projection (2D) images, a special case of the pose estimation problem, has been attempted in a variety of ways wi...
PG
1999
IEEE
14 years 2 months ago
1999
IEEE
Using object clusters for hierarchical radiosity greatly improves the efficiency and thus usability of radiosity computations. By eliminating the quadratic starting phase very lar...