ICASSP
2011
IEEE
2011
IEEE
An evaluation of noise power spectral density estimation algorithms in adverse acoustic environments
12 years 8 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...
TSP
2010
12 years 11 months ago
2010
This work addresses the problem of deciding whether a set of realizations of a vector-valued time series with unknown temporal correlation are spatially correlated or not. For wide...
ISSPIT
2010
12 years 11 months ago
2010
In a scenario where a cognitive radio unit wishes to transmit, it needs to know over which frequency bands it can operate. It can obtain this knowledge by estimating the power spe...
ICASSP
2010
IEEE
12 years 11 months ago
2010
IEEE
An operational framework is developed for testing stationarity relatively to an observation scale. The proposed method makes use of a family of stationary surrogates for defining ...
ICPR
2010
IEEE
13 years 4 months ago
2010
IEEE
—In this paper we propose an approach for the problem of single channel source separation of speech and music signals. Our approach is based on representing each source’s power...
ICASSP
2010
IEEE
13 years 4 months ago
2010
IEEE
Most speech enhancement algorithms heavily depend on the noise power spectral density (PSD). Because this quantity is unknown in practice, estimation from the noisy data is necess...
DATE
2005
IEEE
13 years 10 months ago
2005
IEEE
Ultra-wideband (UWB) communication is an emerging wireless technology that promises high data rates over short distances and precise locationing. The large available bandwidth and...
IWNAS
2008
IEEE
13 years 10 months ago
2008
IEEE
∗ As one type of stealthy and hard-to-detect attack, lowrate TCP-targeted DDoS attack can seriously throttle the throughput of normal TCP flows for a long time without being noti...
CISS
2008
IEEE
13 years 10 months ago
2008
IEEE
— We consider a network setting, where a single Service Provider (SP) provides wireless data services to a group of users in the downlink. The transmission model is similar to OF...
ICIP
2004
IEEE
14 years 6 months ago
2004
IEEE
In this paper, we derive and evaluate theoretical ratedistortion performance bounds for scalable video compression algorithms which use a single motion-compensated prediction (MCP...