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» Parsimonious dictionary learning
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112
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COLING
2008
15 years 5 months ago
Weakly Supervised Supertagging with Grammar-Informed Initialization
Much previous work has investigated weak supervision with HMMs and tag dictionaries for part-of-speech tagging, but there have been no similar investigations for the harder proble...
Jason Baldridge
128
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COLT
2010
Springer
15 years 1 months ago
Sparse Recovery in Convex Hulls of Infinite Dictionaries
Let S be an arbitrary measurable space, T R and (X, Y ) be a random couple in S
Vladimir Koltchinskii, Stas Minsker
126
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ICML
2010
IEEE
15 years 4 months ago
Proximal Methods for Sparse Hierarchical Dictionary Learning
We propose to combine two approaches for modeling data admitting sparse representations: on the one hand, dictionary learning has proven effective for various signal processing ta...
Rodolphe Jenatton, Julien Mairal, Guillaume Obozin...
140
Voted
ICML
2009
IEEE
16 years 4 months ago
Online dictionary learning for sparse coding
Sparse coding--that is, modelling data vectors as sparse linear combinations of basis elements--is widely used in machine learning, neuroscience, signal processing, and statistics...
Julien Mairal, Francis Bach, Jean Ponce, Guillermo...
170
Voted
CVPR
2012
IEEE
13 years 6 months ago
Submodular dictionary learning for sparse coding
A greedy-based approach to learn a compact and discriminative dictionary for sparse representation is presented. We propose an objective function consisting of two components: ent...
Zhuolin Jiang, Guangxiao Zhang, Larry S. Davis