Decentralized Dictionary Learning Over Time-Varying Digraphs.

Amir Daneshmand Ying Sun Gesualdo Scutari Francisco Facchinei Brian M. Sadler

Published in: CoRR (2018)

Keyphrases

dictionary learning
sparse representation
sparse coding
image super resolution
object category recognition
small number
data sets
unsupervised learning
high quality
pattern recognition
active learning
em algorithm
linear combination
group sparsity