K-SVD with reference: an initialization method for dictionary learning.

Pingmei Cai Guinan Wang Hongjuan Zhang

Published in: Neural Comput. Appl. (2014)

Keyphrases

dictionary learning
sparse coding
sparse representation
group sparsity
em algorithm
neural network
computer vision
image segmentation
similarity measure
pattern recognition
probabilistic model
ground truth
expectation maximization
unsupervised learning
linear combination