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Noise Covariance Matrix Estimation for Rotating Microphone Arrays.
Alastair H. Moore
Wei Xue
Patrick A. Naylor
Mike Brookes
Published in:
IEEE ACM Trans. Audio Speech Lang. Process. (2019)
Keyphrases
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covariance matrix
estimation error
covariance matrices
principal component analysis
mahalanobis distance
sample size
gaussian mixture
pseudo inverse
geometrical interpretation
multivariate gaussian
noise level
positive definite
objective function
image noise
correlation matrix
gaussian noise
np hard
computer vision