13 search results - page 2 / 3 » Cycle bases of graphs and sampled manifolds |
COMPGEOM
2011
ACM
12 years 9 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...
ICASSP
2010
IEEE
13 years 6 months ago
2010
IEEE
We propose an algorithm for detecting bridges and estimating geodesic distances from a set of noisy samples of an underlying manifold. Finding geodesics on a nearest neighbors gra...
CVPR
2007
IEEE
14 years 7 months ago
2007
IEEE
Matching and registration of shapes is a key issue in Computer Vision, Pattern Recognition, and Medical Image Analysis. This paper presents a shape representation framework based ...
NIPS
2003
13 years 7 months ago
2003
Spectral methods for nonlinear dimensionality reduction (NLDR) impose a neighborhood graph on point data and compute eigenfunctions of a quadratic form generated from the graph. W...
ICCV
2007
IEEE
14 years 3 days ago
2007
IEEE
The matching of planar shapes can be cast as a problem of finding the shortest path through a graph spanned by the two shapes, where the nodes of the graph encode the local simil...