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Unique Sharp Local Minimum in L1-minimization Complete Dictionary Learning.
Yu Wang
Siqi Wu
Bin Yu
Published in:
J. Mach. Learn. Res. (2020)
Keyphrases
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dictionary learning
sparse representation
sparse coding
image super resolution
group sparsity
object category recognition
high quality
objective function
image classification
natural images
data sets
neural network
higher order
maximum likelihood