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» Three-Clustering of Points in the Plane
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WG
2010
Springer
13 years 8 months ago
Graphs with Large Obstacle Numbers
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...
Padmini Mukkamala, János Pach, Deniz Sari&o...
BIOSIG
2010
152views Biometrics» more  BIOSIG 2010»
13 years 8 months ago
Biometric Systems in Future Preventive Scenarios - Legal Issues and Challenges
: The privacy and data protection challenges posed by biometric systems have been discussed in detail in the last years. Both security opportunities and privacy risks however may d...
Gerrit Hornung, Monika Desoi, Matthias Pocs
MICCAI
2008
Springer
14 years 11 months ago
A Novel Explicit 2D+t Cyclic Shape Model Applied to Echocardiography
In this paper, we propose a novel explicit 2D+t cyclic shape model that extends the Point Distribution Model (PDM) to shapes like myocardial contours with cyclic dynamics. We also ...
Ramón Casero, J. Alison Noble
ICDM
2009
IEEE
126views Data Mining» more  ICDM 2009»
14 years 4 months ago
Convex Non-negative Matrix Factorization in the Wild
Abstract—Non-negative matrix factorization (NMF) has recently received a lot of attention in data mining, information retrieval, and computer vision. It factorizes a non-negative...
Christian Thurau, Kristian Kersting, Christian Bau...
WADS
2009
Springer
291views Algorithms» more  WADS 2009»
14 years 4 months ago
On the Power of the Semi-Separated Pair Decomposition
Abstract. A Semi-Separated Pair Decomposition (SSPD), with parameter s > 1, of a set S ⊂ Rd is a set {(Ai, Bi)} of pairs of subsets of S such that for each i, there are balls ...
Mohammad Ali Abam, Paz Carmi, Mohammad Farshi, Mic...