Similarity induced group sparsity for non-negative matrix factorisation.

Antti Hurmalainen Rahim Saeidi Tuomas Virtanen

Published in: ICASSP (2015)

Keyphrases

group sparsity
structured sparsity
sparse coding
dictionary learning
similarity measure
low rank
sparse representation
statistical learning
discriminative power
learning algorithm
compressive sensing
face recognition
optimization problems
natural images