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Dictionary Learning of Symmetric Positive Definite Data Based on Riemannian Manifold Tangent Spaces and Local Homeomorphism.
Hui He
Shuyu Liu
Zhengming Ma
Weijia Feng
Published in:
IEEE Access (2022)
Keyphrases
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riemannian manifolds
dictionary learning
data sets
euclidean space
data points
image segmentation
data analysis
training data
probabilistic model
low dimensional
sparse representation
vector space
multi class classification