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157
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TSP
2010
15 years 1 months ago
2010
We address covariance estimation in the sense of minimum mean-squared error (MMSE) when the samples are Gaussian distributed. Specifically, we consider shrinkage methods which are ...
157
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ICASSP
2011
IEEE
2011
IEEE
A time-warping framework for speech turbulence-noise component estimation during aperiodic phonation
14 years 10 months ago
The accurate estimation of turbulence noise affects many areas of speech processing including separate modification of the noise component, analysis of degree of speech aspiration...
122
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ICASSP
2011
IEEE
14 years 10 months ago
2011
IEEE
In this paper, a new method is proposed for delay and Doppler estimation using copula theory. Copula analysis helps to explore the underlying inter-dependence between the desired ...
137
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ICASSP
2011
IEEE
14 years 10 months ago
2011
IEEE
This paper proposes a method for analyzing the direction of the arrival of sound by estimating the sound intensity vector from the pressure and energy gradients of closely-spaced ...
185
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ICASSP
2011
IEEE
14 years 10 months ago
2011
IEEE
The estimation of the time delay of arrival (TDOA) or the direction of arrival (DOA) has been an important research topic within the last few decades. In several applications, e.g...