1777 search results - page 191 / 356 » Surveillance Event Detection |
175
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SAC
2010
ACM
16 years 1 months ago
2010
ACM
This work proposes and evaluates a sampling algorithm based on wavelet transforms with Coiflets basis to reduce the data sensed in wireless sensor networks applications. The Coiï...
189
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JCDL
2009
ACM
16 years 1 months ago
2009
ACM
A lot of future-related information is available in news articles or Web pages. This information can however differ to large extent and may fluctuate over time. It is therefore di...
169
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ICC
2008
IEEE
16 years 29 days ago
2008
IEEE
— Energy-ef ciency is one of the major concerns in wireless sensor networks since it impacts the network lifetime. In this paper, we investigate the relationship between sensor n...
167
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SARA
2005
Springer
15 years 12 months ago
2005
Springer
Abstract. The presence of long gaps dramatically increases the difficulty of detecting and characterizing complex events hidden in long sequences. In order to cope with this proble...
184
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SNPD
2007
15 years 8 months ago
2007
While wireless sensor networks are proving to be a versatile tool, many of the applications in which they are implemented have sensitive data. In other words, security is crucial ...