42 search results - page 3 / 9 » A lattice vector quantizer for generalized Gaussian sources |
TIT
2002
13 years 5 months ago
2002
Abstract--The Lagrangian formulation of variable-rate vector quantization is known to yield useful necessary conditions for quantizer optimality and generalized Lloyd algorithms fo...
ICASSP
2009
IEEE
14 years 16 days ago
2009
IEEE
Audio coding at low bitrates suffers from artifacts due to spectrum truncation. Typical audio codecs code multi-channel sources using transforms across the channels to remove redu...
DCC
2003
IEEE
14 years 5 months ago
2003
IEEE
We address the problem of designing optimal quantizers for distributed source coding. The generality of our formulation includes both the symmetric and asymmetric scenarios, toget...
DCC
2006
IEEE
14 years 5 months ago
2006
IEEE
This paper considers the development of a general framework for the analysis of transmit beamforming methods in multiple antenna systems with finite-rate feedback. Inspired by the...
CORR
2008
Springer
13 years 5 months ago
2008
Springer
We study the joint source channel coding problem of transmitting an analog source over a Gaussian channel in two cases - (i) the presence of interference known only to the transmit...