Structured dictionary learning using mixed-norms and group-sparsity constraint.

Zivar Ataee Hadis Mohseni

Published in: Vis. Comput. (2020)

Keyphrases

group sparsity
dictionary learning
sparse coding
sparse representation
structured sparsity
low rank
discriminative power
image classification
natural images
linear combination
multiscale
unsupervised learning
learning algorithm
feature space
pattern recognition
face recognition
computer vision