335 search results - page 8 / 67 » Non-negative sparse coding |
163
Voted
SDM
2011
SIAM
14 years 14 days ago
2011
SIAM
Latent semantic analysis (LSA), as one of the most popular unsupervised dimension reduction tools, has a wide range of applications in text mining and information retrieval. The k...
ICPR
2010
IEEE
15 years 3 months ago
2010
IEEE
Given a sequence of observable features of a linear dynamical system (LDS), we propose the problem of finding a representation of the LDS which is sparse in terms of a given dict...
ICS
1997
Tsinghua U.
15 years 1 months ago
1997
Tsinghua U.
Standard restructuring compiler tools are based on polyhedral algebra and cannot be used to analyze or restructure sparse matrix codes. We have recently shown that tools based on ...
EMMCVPR
2005
Springer
15 years 3 months ago
2005
Springer
Abstract. Reverse-convex programming (RCP) concerns global optimization of a specific class of non-convex optimization problems. We show that a recently proposed model for sparse ...
104
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MVA
2007
14 years 9 months ago
2007
Neural networks in the visual system may be performing sparse coding of learnt local features that are qualitatively