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Noise power spectrum estimation using constrained variance spectral smoothing and minima tracking.
Nima Derakhshan
Ahmad Akbari
Ahmad Ayatollahi
Published in:
Speech Commun. (2009)
Keyphrases
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power spectrum
power spectral
spectral estimation
frequency analysis
frequency domain
natural images
density function
signal noise ratio
particle filter
visual tracking
density estimation
estimation error
probability distribution
higher order
object tracking
appearance model