Sciweavers

ICASSP
2011
IEEE
13 years 2 months ago
Compressive power spectral density estimation
In this paper, we consider power spectral density estimation of bandlimited, wide-sense stationary signals from sub-Nyquist sampled data. This problem has recently received attent...
Michael A. Lexa, Mike E. Davies, John S. Thompson,...
ICASSP
2011
IEEE
13 years 2 months ago
Stability analysis of multiplicative update algorithms for non-negative matrix factorization
Multiplicative update algorithms have encountered a great success to solve optimization problems with non-negativity constraints, such as the famous non-negative matrix factorizat...
Roland Badeau, Nancy Bertin, Emmanuel Vincent
ICASSP
2011
IEEE
13 years 2 months ago
A novel study and analysis on segmental gait sequence recognition
This paper presents a novel study and analysis on two important problems in gait recognition: one is how to perform gait recognition with only segment of a complete gait cycle for...
Nini Liu, Yap-Peng Tan
ICASSP
2011
IEEE
13 years 2 months ago
Reconfigurable decoder architectures for Raptor codes
Decoder architectures for architecture-aware Raptor codes having regular message access-and-processing patterns are presented. Raptor codes are a class of concatenated codes compo...
Hady Zeineddine, Mohammad M. Mansour
ICASSP
2011
IEEE
13 years 2 months ago
Model-based speech enhancement using SNR dependent MMSE estimation
This contribution presents a modified Kalman filter approach for single channel speech enhancement which is operating in the frequency domain. In the first step, temporal corre...
Thomas Esch, Peter Vary
ICASSP
2011
IEEE
13 years 2 months ago
Identification and compensation of Wiener-Hammerstein systems with feedback
Efficient operation of RF power amplifiers requires compensation strategies to mitigate nonlinear behavior. As bandwidth increases, memory effects become more pronounced, and Vo...
Andrew K. Bolstad, Benjamin A. Miller, Joel Goodma...
ICASSP
2011
IEEE
13 years 2 months ago
A comparative analysis of dynamic network decoding
The use of statically compiled search networks for ASR systems using huge vocabularies and complex language models often becomes challenging in terms of memory requirements. Dynam...
David Rybach, Ralf Schlüter, Hermann Ney
ICASSP
2011
IEEE
13 years 2 months ago
Content-aware TCP-friendly congestion control for multimedia transmission
In this paper, we propose a content-aware congestion control for multimedia streaming over TCP/IP networks. Unlike existing congestion control schemes over the Internet that adapt...
Hsien-Po Shiang, Mihaela van der Schaar
ICASSP
2011
IEEE
13 years 2 months ago
Snapshot spectral imaging via compressive random convolution
Spectral imaging is of interest in many applications, including wide-area airborne surveillance, remote sensing, and tissue spectroscopy. Coded aperture spectral snapshot imaging ...
Yao Wu, Gonzalo R. Arce
ICASSP
2011
IEEE
13 years 2 months ago
Robust hyperspectral signal unmixing in the presence of correlated noise
Hyperspectral imaging analysis aims at the estimation of the number of constituent substances, known as endmembers, their spectral signatures as well as their abundance fractions ...
Masoud Farzam, Soosan Beheshti