Fast Sparse Coding Algorithms for Piece-wise Smooth Signals.

Alexandros Gkillas Dimitris Ampeliotis Kostas Berberidis

Published in: EUSIPCO (2020)

Keyphrases

sparse coding
piece wise
sparse representation
natural images
image classification
dictionary learning
feature space
learning algorithm
image representation
linear combination
conditional random fields
data points
signal processing
active learning
computational complexity
image segmentation
feature selection