77 search results - page 2 / 16 » Low cost spatial watermarking |
CCS
2005
ACM
13 years 11 months ago
2005
ACM
Peer-to-peer VoIP calls are becoming increasingly popular due to their advantages in cost and convenience. When these calls are encrypted from end to end and anonymized by low lat...
APWEB
2004
Springer
13 years 10 months ago
2004
Springer
Abstract. Spatial data has now been used extensively in the Web environment, providing online customized maps and supporting map-based applications. The full potential of Web-based...
JEA
2008
13 years 5 months ago
2008
The Spatial Approximation Tree (sa-tree) is a recently proposed data structure for searching in metric spaces. It has been shown that it compares favorably against alternative data...
SEDE
2008
13 years 6 months ago
2008
In this paper we present an energy efficient framework for processing spatial alarms on mobile clients, while maintaining low computation and storage costs. Our approach to spatia...
GSN
2009
Springer
13 years 10 months ago
2009
Springer
We propose energy-efficient compressed sensing for wireless sensor networks using spatially-localized sparse projections. To keep the transmission cost for each measurement low, we...