108 search results - page 13 / 22 » A hierarchical shadow volume algorithm |
CAIP
2007
Springer
14 years 1 months ago
2007
Springer
Abstract. We propose a framework for fast and automated initialization of segmentation algorithms in Computed Tomography images. Based on the idea that time-consuming voxel classi...
MICCAI
2006
Springer
14 years 8 months ago
2006
Springer
In this paper, we present a learning-based method for the detection and segmentation of 3D free-form tubular structures, such as the rectal tubes in CT colonoscopy. This method can...
CGF
2008
13 years 7 months ago
2008
Given a 3D solid model S represented by a tetrahedral mesh, we describe a novel algorithm to compute a hierarchy of convex polyhedra that tightly enclose S. The hierarchy can be b...
ICCV
2009
IEEE
13 years 5 months ago
2009
IEEE
In this paper we present a new method for categorizing video sequences capturing different scene classes. This can be seen as a generalization of previous work on scene classifica...
ISVC
2009
Springer
14 years 2 months ago
2009
Springer
While realistic illumination significantly improves the visual quality and perception of rendered images, it is often very expensive to compute. In this paper, we propose a new al...