PAMI
2011
13 years 5 months ago
2011
—Triangulated meshes have become ubiquitous discrete surface representations. In this paper, we address the problem of how to maintain the manifold properties of a surface while ...
DC
2008
13 years 10 months ago
2008
A MAC protocol specifies how nodes in a sensor network access a shared communication channel. Desired properties of a MAC protocol are: it should be contention-free (avoid collisio...
TIP
2008
13 years 10 months ago
2008
The implicit framework of the level-set method has several advantages when tracking propagating fronts. Indeed, the evolving contour is embedded in a higher dimensional level-set f...
IVC
2008
13 years 11 months ago
2008
A novel mathematical framework inspired on Morse Theory for topological triangle characterization in 2D meshes is introduced that is useful for applications involving the creation...
COMPGEOM
2010
ACM
14 years 4 months ago
2010
ACM
The best known upper bound on the number of topological changes in the Delaunay triangulation of a set of moving points in R2 is (nearly) cubic, even if each point is moving with ...
ER
2005
Springer
14 years 4 months ago
2005
Springer
Generalization of spatial databases consists of complicated operations including not only geometric transformations but also topological changes. The changes often result in an inc...
CVBIA
2005
Springer
14 years 4 months ago
2005
Springer
We present a novel framework to exert topology control over a level set evolution. Level set methods offer several advantages over parametric active contours, in particular automat...
INFOCOM
2008
IEEE
14 years 5 months ago
2008
IEEE
Abstract—We study the problem of contour tracking with binary sensors, an important problem for monitoring spatial signals and tracking group targets. In particular, we track the...
SMA
2009
ACM
14 years 5 months ago
2009
ACM
Collision detection in geometrically complex scenes is crucial in physical simulations and real time applications. Works based on spatial hierarchical structures have been propose...
ICNP
2009
IEEE
14 years 5 months ago
2009
IEEE
— We propose a routing and load-balancing approach with the primary goal of being robust to sudden topological changes and significant traffic matrix variations. The proposed m...