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Gaussian mixture model approximation of total spatial power spectral density for multiple incoherently distributed sources.
Huigang Wang
Shanlong Li
Huxiong Li
Yang Shi
Published in:
IET Signal Process. (2013)
Keyphrases
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gaussian mixture model
power spectral density
mixture model
feature vectors
maximum likelihood
expectation maximization
em algorithm
fourier transform
background subtraction
spectral analysis
blind separation
density estimation
feature space
machine learning
pattern recognition