An L1 criterion for dictionary learning by subspace identification.

Florent Jaillet Rémi Gribonval Mark D. Plumbley Hadi Zayyani

Published in: ICASSP (2010)

Keyphrases

dictionary learning
sparse representation
sparse coding
image super resolution
group sparsity
high dimensional data
high dimensional
object category recognition
dimensionality reduction
feature selection
sparse codes
principal component analysis
feature space
natural images
denoising
feature extraction
data sets