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Improved noise power spectral density tracking by a MAP-based postprocessor.
Aleksej Chinaev
Alexander Krueger
Dang Hai Tran Vu
Reinhold Haeb-Umbach
Published in:
ICASSP (2012)
Keyphrases
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power spectral density
power spectrum
fourier transform
spectral analysis
particle filter
maximum a posteriori
signal to noise ratio
prediction error
noisy data
optimal filter
frequency band
noise reduction
hidden markov models
missing data
frequency domain
natural images
scale space