Incoherent dictionary learning with log-regularizer based on proximal operators.

Zhenni Li Shuxue Ding Takafumi Hayashi Yujie Li

Published in: Digit. Signal Process. (2017)

Keyphrases

dictionary learning
sparse representation
sparse coding
image super resolution
semi supervised
object category recognition
image classification
sparse codes
pattern recognition
total variation
group sparsity
prior knowledge
unsupervised learning
dictionary learning for sparse