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ICASSP
2010
IEEE
13 years 11 months ago
Maximizing the lifetime of clusters with Slepian-Wolf coding
In this paper, we propose an iteration-free algorithm to find the optimal configuration, including transmit power and source coding rates, to maximize the lifetime of a cluster ...
Tianqi Wang, Wendi Rabiner Heinzelman, Alireza Sey...
ICASSP
2010
IEEE
13 years 11 months ago
Particle filtering based recovery of noisy GARCH processes
In this paper, we address the problem of enhancement of a noisy GARCH process using a particle filter. We compare our approach experimentally to a previously developed recursive ...
Tomer Michaeli, Israel Cohen
ICASSP
2010
IEEE
13 years 9 months ago
Energy-based multi-speaker voice activity detection with an ad hoc microphone array
In this paper, we propose an energy-based technique to track the power of multiple simultaneous speakers using an ad hoc microphone array with unknown microphone positions. By con...
Alexander Bertrand, Marc Moonen
ICASSP
2010
IEEE
13 years 11 months ago
Generalized Discrete Fourier Transform with optimum correlations
— In this paper, we present design methods to optimize nonlinear phase functions of Generalized DFT (GDFT) for minimized auto and cross correlations. It is shown that GDFT offers...
Ali N. Akansu, Handan Agirman-Tosun
ICASSP
2010
IEEE
13 years 11 months ago
Morphological wavelets and the complexity of dyadic trees
In this paper we reveal a connection between the coefficients of the morphological wavelet transform and complexity measures of dyadic tree representations of level sets. This le...
Zhen James Xiang, Peter J. Ramadge