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Decentralized Dictionary Learning Over Time-Varying Digraphs.
Amir Daneshmand
Ying Sun
Gesualdo Scutari
Francisco Facchinei
Brian M. Sadler
Published in:
J. Mach. Learn. Res. (2019)
Keyphrases
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dictionary learning
sparse representation
sparse coding
image super resolution
sparse codes
group sparsity
object category recognition
sparsity constraints
computer vision
dimensionality reduction
image classification