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Robust Estimation of Structured Covariance Matrix for Heavy-Tailed Elliptical Distributions.
Ying Sun
Prabhu Babu
Daniel Pérez Palomar
Published in:
IEEE Trans. Signal Process. (2016)
Keyphrases
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heavy tailed
robust estimation
covariance matrix
covariance matrices
least squares
principal component analysis
generalized gaussian
heavy tails
sample size
motion field
objective function
gaussian mixture
maximum a posteriori
model selection
search space
face recognition
computer vision