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An efficient algorithm for dictionary learning with a mixed-norm regularizer for sparsity based on proximal operator.
Zhenni Li
Shuxue Ding
Takafumi Hayashi
Wuhui Chen
Yujie Li
Published in:
ICSPCS (2015)
Keyphrases
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dictionary learning
learning algorithm
sparse representation
probabilistic model
sparsity constraints
k means
high resolution
input data
em algorithm
sparse coding