89 search results - page 9 / 18 » Topological Persistence and Simplification |
COMPGEOM
2009
ACM
14 years 2 months ago
2009
ACM
Nonlinear dimensionality reduction (NLDR) algorithms such as Isomap, LLE and Laplacian Eigenmaps address the problem of representing high-dimensional nonlinear data in terms of lo...
COMPGEOM
2011
ACM
12 years 11 months ago
2011
ACM
Given a continuous function f : X → IR on a topological space X, its level set f−1 (a) changes continuously as the real value a changes. Consequently, the connected components...
SIGCOMM
2006
ACM
14 years 1 months ago
2006
ACM
Sensor networks are especially useful in catastrophic or emergency scenarios such as floods, fires, terrorist attacks or earthquakes where human participation may be too dangero...
COMPGEOM
2004
ACM
14 years 1 months ago
2004
ACM
The Reeb graph is a useful tool in visualizing real-valued data obtained from computational simulations of physical processes. We characterize the evolution of the Reeb graph of a...
IJCV
2008
13 years 7 months ago
2008
In this study we concentrate on qualitative topological analysis of the local behavior of the space of natural images. To this end, we use a space of 3 by 3 high-contrast patches ...