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Two New Algorithms for Maximum Likelihood Estimation of Sparse Covariance Matrices With Applications to Graphical Modeling.
Ghania Fatima
Prabhu Babu
Petre Stoica
Published in:
IEEE Trans. Signal Process. (2024)
Keyphrases
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maximum likelihood estimation
covariance matrices
covariance matrix
maximum likelihood
learning algorithm
face recognition
feature extraction
high dimensional
worst case