Efficient Shift-Invariant Dictionary Learning.

Guoqing Zheng Yiming Yang Jaime G. Carbonell

Published in: KDD (2016)

Keyphrases

shift invariant
sparse coding
dictionary learning
sparse representation
natural images

image representation
linear combination
unsupervised learning
wavelet domain
image classification

rotation invariant
signal processing
image data
low dimensional
image processing

higher order
wavelet coefficients
discrete wavelet transform
probabilistic model
feature extraction