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SMI
2010
IEEE
228views Image Analysis» more  SMI 2010»
15 years 2 months ago
Hierarchical Spline Approximation of the Signed Distance Function
We present a method to compute the medial axis of a smooth curve or surface by using PHT-spline (polynomial splines over hierarchical T-meshes) hierarchical approximation. In part...
Xinghua Song, Bert Jüttler, Adrien Poteaux
TCBB
2010
107views more  TCBB 2010»
15 years 2 months ago
A Metric on the Space of Reduced Phylogenetic Networks
—Phylogenetic networks are leaf-labeled, rooted, acyclic, directed graphs, that are used to model reticulate evolutionary histories. Several measures for quantifying the topologi...
Luay Nakhleh
INFORMS
2010
100views more  INFORMS 2010»
15 years 1 months ago
Two-Step MIR Inequalities for Mixed Integer Programs
Two-step MIR inequalities are valid inequalities derived from a facet of a simple mixedinteger set with three variables and one constraint. In this paper we investigate how to eff...
Sanjeeb Dash, Marcos Goycoolea, Oktay Günl&uu...
CORR
2010
Springer
139views Education» more  CORR 2010»
14 years 11 months ago
A recombination algorithm for the decomposition of multivariate rational functions
In this paper we show how we can compute in a deterministic way the decomposition of a multivariate rational function with a recombination strategy. The key point of our recombinat...
Guillaume Chèze
CVPR
2003
IEEE
16 years 6 months ago
Generalized Principal Component Analysis (GPCA)
This paper presents an algebro-geometric solution to the problem of segmenting an unknown number of subspaces of unknown and varying dimensions from sample data points. We represen...
René Vidal, Shankar Sastry, Yi Ma