279 search results - page 48 / 56 » Implicit Convex Polygons |
WG
2010
Springer
13 years 6 months ago
2010
Springer
Motivated by questions in computer vision and sensor networks, Alpert et al. [3] introduced the following definitions. Given a graph G, an obstacle representation of G is a set of...
COMPGEOM
2007
ACM
13 years 9 months ago
2007
ACM
Computing shadow boundaries is a difficult problem in the case of non-point light sources. A point is in the umbra if it does not see any part of any light source; it is in full l...
FCT
2003
Springer
14 years 26 days ago
2003
Springer
The purpose of this paper is to investigate the properties of a certain class of highly visible spaces. For a given geometric space C containing obstacles specified by disjoint s...
PR
2008
13 years 7 months ago
2008
The computation of a shape's orientation is a common task in the area of computer vision and image processing, being used for example to define a local frame of reference and...
MMM
2003
Springer
14 years 27 days ago
2003
Springer
Computer animation is one of the key components of a multimedia document or presentation. Shape transformation between objects of different topology and positions is an open model...