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Tensor Dictionary Learning for Positive Definite Matrices.
Ravishankar Sivalingam
Daniel Boley
Vassilios Morellas
Nikolaos Papanikolopoulos
Published in:
IEEE Trans. Image Process. (2015)
Keyphrases
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dictionary learning
sparse coding
sparse representation
high order
higher order
dimensionality reduction
image classification
linear combination
natural images
face recognition
diffusion tensor
high dimensional
unsupervised learning
image representation