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Shift-Invariant Sparse Image Representations Using Tree-Structured Dictionaries.
Makoto Nakashizuka
Hidenari Nishiura
Youji Iiguni
Published in:
IEICE Trans. Fundam. Electron. Commun. Comput. Sci. (2009)
Keyphrases
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shift invariant
image representation
sparse coding
sparse representation
image classification
multiscale
feature space
image features
image patches
object recognition
bag of words
visual words
image retrieval
wavelet coefficients
wavelet domain
co occurrence
rotation invariant