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ICASSP
2011
IEEE
13 years 2 months ago
2011
IEEE
Cashiers in retail stores usually exhibit certain repetitive and periodic activities when processing items. Detecting such activities plays a key role in most retail fraud detecti...
ICASSP
2011
IEEE
13 years 2 months ago
2011
IEEE
This paper presents a novel method for audio event classi cation in overlapping conditions. The method is based on Jump Function Kolmogorov (JFK), a stochastic representation, whi...
ICASSP
2011
IEEE
13 years 2 months ago
2011
IEEE
—We develop sub-Nyquist sampling systems for analog signals comprised of several, possibly overlapping, finite duration pulses with unknown shapes and time positions. Efficient...
ICASSP
2011
IEEE
2011
IEEE
An evaluation of noise power spectral density estimation algorithms in adverse acoustic environments
13 years 2 months ago
Noise power spectral density estimation is an important component of speech enhancement systems due to its considerable effect on the quality and the intelligibility of the enhanc...
ICASSP
2011
IEEE
13 years 2 months ago
2011
IEEE
Many works on speech processing have dealt with auto-regressive (AR) models for spectral envelope and formant frequency estimation, mostly focusing on the estimation of the AR par...