A Hierarchical ICA Method for Unsupervised Learning of Nonlinear Dependencies in Natural Images.

Hyun-Jin Park Te-Won Lee

Published in: ICA (2004)

Keyphrases

natural images
unsupervised learning
higher order
test images
multiscale
input image
probabilistic model
pairwise
object recognition
reinforcement learning
sparse coding
denoising
image denoising
feature extraction
natural scenes
power spectrum
compressed sensing