534 search results - page 36 / 107 » Data Separation by Sparse Representations |
PAKDD
2010
ACM
14 years 2 months ago
2010
ACM
Abstract. We report a surprising, persistent pattern in large sparse social graphs, which we term EigenSpokes. We focus on large Mobile Call graphs, spanning about 186K nodes and m...
ICASSP
2011
IEEE
13 years 1 months ago
2011
IEEE
Spike detection and sorting is a fundamental step in the analysis of extracellular neural recording. Here, we propose a combined spike detection-feature extraction algorithm that ...
PAMI
2012
12 years 16 days ago
2012
—Modeling data with linear combinations of a few elements from a learned dictionary has been the focus of much recent research in machine learning, neuroscience, and signal proce...
ESANN
2001
13 years 11 months ago
2001
We investigate the use of an unsupervised artificial neural network to form a sparse representation of the underlying causes in a data set. By using fixed lateral connections that...
ICASSP
2010
IEEE
13 years 5 months ago
2010
IEEE
In this paper we propose an iterative algorithm for solving the problem of extracting a sparse source signal when a reference signal for the desired source signal is available. In...