Sciweavers

ICASSP
2009
IEEE
14 years 6 months ago
A hybrid method for deconvolution of Bernoulli-Gaussian processes
We investigate a hybrid method which improves the quality of state inference and parameter estimation in blind deconvolution of a sparse source modeled by a Bernoulli-Gaussian pro...
Sinan Yildirim, Ali Taylan Cemgil, Aysin Ertü...
ICASSP
2009
IEEE
14 years 6 months ago
TDOA estimation for cyclostationary sources: New correlations-based bounds and estimators
We consider the problem of Time Difference of Arrival (TDOA) estimation for cyclostationary signals in additive white Gaussian noise. Classical approaches to the problem either ig...
Moshe Teplitsky, Arie Yeredor
ICASSP
2009
IEEE
14 years 6 months ago
Efficacy of a constantly adaptive language modeling technique for web-scale applications
In this paper, we describe CALM, a method for building statistical language models for the Web. CALM addresses several unique challenges dealing with the Web contents. First, CALM...
Kuansan Wang, Xiaolong Li
ICASSP
2009
IEEE
14 years 6 months ago
A criterion for the enhancement of time-frequency masks in missing data recognition
Despite their effectiveness for robust speech processing, missing data techniques are vulnerable to errors in the classification of the input speech signal’s time-frequency poi...
Daniel Pullella, Roberto Togneri
ICASSP
2009
IEEE
14 years 6 months ago
Oscillator Phase Noise compensation using Kalman tracking
Phase Noise (PN) is a serious challenge in wireless transmission systems as it can cause significant degradation of the system performance. Recent publications propose iterative ...
Steffen Bittner, Andreas Frotzscher, Gerhard Fettw...
ICASSP
2009
IEEE
14 years 6 months ago
Detecting bandlimited audio in broadcast television shows
For TV and radio shows containing narrowband speech, Speech-to-text (STT) accuracy on the narrowband audio can be improved by using an acoustic model trained on acoustically match...
Mark C. Fuhs, Qin Jin, Tanja Schultz
ICASSP
2009
IEEE
14 years 6 months ago
One-pass multi-layer rate-distortion optimization for quality scalable video coding
In this paper, a one-pass multi-layer rate-distortion optimization algorithm is proposed for quality scalable video coding. To improve the overall coding efficiency, the MB mode ...
Xiang Li, Peter Amon, Andreas Hutter, André...
ICASSP
2009
IEEE
14 years 6 months ago
Distributed peer-to-peer beamforming for multiuser relay networks
A computationally efficient distributed beamforming technique for multi-user relay networks is developed. The channel state information is assumed to be known at the relays or de...
Haihua Chen, Alex B. Gershman, Shahram Shahbazpana...
ICASSP
2009
IEEE
14 years 6 months ago
Jitter compensation in sampling via polynomial least squares estimation
Sampling error due to jitter, or noise in the sample times, affects the precision of analog-to-digital converters in a significant, nonlinear fashion. In this paper, a polynomial...
Daniel S. Weller, Vivek K. Goyal
ICASSP
2009
IEEE
14 years 6 months ago
Space Kernel Analysis
In this paper, we propose a novel nonparametric modeling technique, namely Space Kernel Analysis (SKA), as a result of the definition of the space kernel. We analyze the uncertai...
Liuling Gong, Dan Schonfeld