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DATESO
2010

148views Database» more DATESO 2010»

Using Spectral Clustering for Finding Students' Patterns of Behavior in Social Networks

13 years 5 months ago

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Abstract. The high dimensionality of the data generated by social networks has been a big challenge for researchers. In order to solve the problems associated with this phenomenon,...

Gamila Obadi, Pavla Drázdilová, Jan ...

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CVPR
2012
IEEE

251views Computer Vision» more CVPR 2012»

Higher order motion models and spectral clustering

11 years 10 months ago

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Motion segmentation based on point trajectories can integrate information of a whole video shot to detect and separate moving objects. Commonly, similarities are deﬁned between ...

Peter Ochs, Thomas Brox

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CORR
2010
Springer

136views Education» more CORR 2010»

An Inverse Power Method for Nonlinear Eigenproblems with Applications in 1-Spectral Clustering and Sparse PCA

13 years 4 months ago

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Many problems in machine learning and statistics can be formulated as (generalized) eigenproblems. In terms of the associated optimization problem, computing linear eigenvectors a...

Matthias Hein, Thomas Bühler

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IFE
2010

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Modeling the propagation of elastic waves using spectral elements on a cluster of 192 GPUs

13 years 6 months ago