155 search results - page 16 / 31 » Minimization of convex functionals over frame operators |
ICASSP
2008
IEEE
14 years 3 months ago
2008
IEEE
Finding sparse approximate solutions to large underdetermined linear systems of equations is a common problem in signal/image processing and statistics. Basis pursuit, the least a...
ICIP
2003
IEEE
14 years 10 months ago
2003
IEEE
This paper proposes a model-based methodology for recognizing and tracking objects in digital image sequences. Objects are represented by attributed relational graphs (or ARGs), w...
ACNS
2007
Springer
14 years 3 months ago
2007
Springer
The one-way function tree (OFT) scheme proposed by Balenson et. al is widely regarded as an efficient key management solution for multicast communication in large dynamic groups. ...
INFOCOM
2006
IEEE
14 years 3 months ago
2006
IEEE
Abstract— Adaptive rate/power control schemes have great potential to increase the throughput of wireless CDMA networks. In this paper, we investigate the additional gains achiev...
ICIP
2002
IEEE
14 years 10 months ago
2002
IEEE
In this paper, we address the issue of joint space-time segmentation of image sequences. Typical approaches to such segmentation consider two image frames at a time, and perform t...