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Arbitrary Shrinkage Rules for Approximation Schemes with Sparsity Constraints.
Martin Ehler
Simone Geisel
Published in:
Structured Decompositions and Efficient Algorithms (2008)
Keyphrases
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approximation schemes
sparsity constraints
sparse representation
approximation algorithms
numerical methods
sparse coding
negative matrix factorization
search algorithm
linear combination
image denoising
data representation
dictionary learning
signal processing