Sparse coding.

Peter Földiák Dominik Endres

Published in: Scholarpedia (2008)

Keyphrases

sparse coding
dictionary learning
sparse representation
natural images
linear combination
image classification
unsupervised learning

sparse codes
generative model
image representation
discriminative power
object category recognition
single image super resolution
group sparsity

feature space
person re identification
visual words
image patches
high dimensional
probabilistic model

signal processing
dimensionality reduction
bag of words
image processing
computer vision
data sets