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Sketching for Simultaneously Sparse and Low-Rank Covariance Matrices.
Sohail Bahmani
Justin K. Romberg
Published in:
CoRR (2015)
Keyphrases
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covariance matrices
covariance matrix
maximum likelihood
gaussian mixture model
distance measure
vector space
gaussian distribution
multivariate normal
feature vectors
linear classifiers
image segmentation
riemannian manifolds
database systems
support vector
lie group