555 search results - page 40 / 111 » Sparse Topical Coding |
IFIPTCS
2000
13 years 11 months ago
2000
Over the years coding theory and complexity theory have benefited from a number of mutually enriching connections. This article focuses on a new connection that has emerged betwee...
CORR
2006
Springer
13 years 7 months ago
2006
Springer
Abstract-- Recent work has suggested that low-density generator matrix (LDGM) codes are likely to be effective for lossy source coding problems. We derive rigorous upper bounds on ...
CORR
2008
Springer
13 years 7 months ago
2008
Springer
Abstract-- We consider lossy compression of a binary symmetric source by means of a low-density generator-matrix code. We derive two lower bounds on the rate distortion function wh...
VTC
2007
IEEE
14 years 1 months ago
2007
IEEE
— Current UWB systems apply convolutional codes as their channel coding scheme. For next generation systems LDPC codes are in discussion due to their outstanding communications p...
ICIP
2004
IEEE
14 years 9 months ago
2004
IEEE
The dictionary approach to signal and image processing has been massively investigated in the last two decades, proving very attractive for a wide range of applications. The effec...