58 search results - page 11 / 12 » Lower Bounds on the Rate-Distortion Function of LDGM Codes |
ICASSP
2010
IEEE
13 years 6 months ago
2010
IEEE
The energy-distortion function (E(D)) for a network is defined as the minimum total energy required to achieve a target distortion D at the receiver without putting any restricti...
ECSQARU
1995
Springer
13 years 9 months ago
1995
Springer
The paper presents a method for uncertainty propagation in Bayesian networks in symbolic, as opposed to numeric, form. The algebraic structure of probabilities is characterized. Th...
CORR
2008
Springer
13 years 5 months ago
2008
Springer
A belief-propagation decoder for low-density lattice codes, which represents messages explicitly as a mixture of Gaussians functions, is given. In order to prevent the mixture elem...
ICC
2007
IEEE
14 years 2 days ago
2007
IEEE
—In this paper the Cramér-Rao lower bound (CRLB) of an ultra-wideband (UWB) pulse amplitude modulated (PAM) signal with time hopping (TH) code is derived for the practical case ...
ISAAC
2005
Springer
13 years 11 months ago
2005
Springer
Abstract We study an information-theoretic variant of the graph coloring problem in which the objective function to minimize is the entropy of the coloring. The minimum entropy of ...