700 search results - page 28 / 140 » Design of Optimal Quantizers for Distributed Source Coding |
ICC
2009
IEEE
13 years 5 months ago
2009
IEEE
In this paper, we study power allocation (PA) in a single-relay OFDM system with limited feedback. We propose a PA scheme that uses a codebook of quantized PA vectors designed offl...
CORR
2010
Springer
13 years 7 months ago
2010
Springer
Abstract--We consider the problem of communicating information over a network secretly and reliably in the presence of a hidden adversary who can eavesdrop and inject malicious err...
ICMCS
2007
IEEE
13 years 11 months ago
2007
IEEE
The Lagrangian multiplier based rate-distortion optimization has been proved to be an effective way in hybrid video coding. In this paper, an advanced Lagrange multiplier selectio...
CORR
2010
Springer
13 years 5 months ago
2010
Springer
The problem of secret sharing over the Gaussian wiretap channel is considered. A source and a destination intend to share secret information over a Gaussian channel in the presenc...
ICIP
2009
IEEE
13 years 5 months ago
2009
IEEE
In this paper we describe a robust watermarking scheme for image tampering identification and localization. A compact representation of the image is first produced by assembling a...