Sciweavers

93 search results - page 10 / 19
» Reductions to Sets of Low Information Content
Sort
View
JSAC
2008
106views more  JSAC 2008»
13 years 7 months ago
Enhanced multiuser random beamforming: dealing with the not so large number of users case
We consider the downlink of a wireless system with an M-antenna base station and K single-antenna users. A limited feedback-based scheduling and precoding scenario is considered th...
Marios Kountouris, David Gesbert, Thomas Sälz...
MIR
2005
ACM
176views Multimedia» more  MIR 2005»
14 years 1 months ago
Hybrid visual and conceptual image representation within active relevance feedback context
Many of the available image databases have keyword annotations associated with the images. In spite of the availability of good quality low-level visual features that reflect wel...
Marin Ferecatu, Nozha Boujemaa, Michel Crucianu
MMM
2007
Springer
128views Multimedia» more  MMM 2007»
14 years 1 months ago
Video Histogram: A Novel Video Signature for Efficient Web Video Duplicate Detection
The explosive growth of information technology and digital content industry stimulates various video applications over the Internet. Since it is quite easy to copy, reformat, modif...
Lu Liu, Wei Lai, Xian-Sheng Hua, Shi-Qiang Yang
DIAL
2004
IEEE
170views Image Analysis» more  DIAL 2004»
13 years 11 months ago
A General System for the Retrieval of Document Images from Digital Libraries
Large collections of scanned documents (books and journals) are now available in Digital Libraries. The most common method for retrieving relevant information from these collectio...
Simone Marinai, Emanuele Marino, Francesca Cesarin...
INFOCOM
2010
IEEE
13 years 6 months ago
Delay Analysis for Cognitive Radio Networks with Random Access: A Fluid Queue View
Abstract—We consider a cognitive radio network where multiple secondary users (SUs) contend for spectrum usage, using random access, over available primary user (PU) channels. Ou...
Shanshan Wang, Junshan Zhang, Lang Tong