224 search results - page 39 / 45 » An Object-Oriented Approach to Curves and Surfaces |
SMA
2003
ACM
14 years 18 days ago
2003
ACM
In this paper, we propose a new scheme for free-form skeletondriven global mesh deformations. First a Voronoi-based skeletal mesh is extracted from a given original mesh. Next the...
SIGGRAPH
1994
ACM
13 years 11 months ago
1994
ACM
The irradiance at a point on a surface due to a polyhedral source of uniform brightness is given by a well-known analytic formula. In this paper we derive the corresponding analyt...
CGF
2004
13 years 7 months ago
2004
Hatching lines are often used in line illustrations to convey tone and texture of a surface. In this paper we present methods to generate hatching lines from polygonal meshes and ...
SIGGRAPH
1992
ACM
13 years 11 months ago
1992
ACM
This paper discusses how interval analysis can be used to solve a wide variety of problems in computer graphics. These problems include ray tracing, interference detection, polygo...
MICCAI
2004
Springer
14 years 8 months ago
2004
Springer
Extraction of structures of interest in medical images is often an arduous task because of noisy or incomplete data. However, handsegmented data are often available and most of the...