Sciweavers

413 search results - page 73 / 83
» An Approach to Data Extraction and Visualisation for Wireles...
Sort
View
AVSS
2009
IEEE
13 years 5 months ago
Multimodal Abandoned/Removed Object Detection for Low Power Video Surveillance Systems
Low-cost and low-power video surveillance systems based on networks of wireless video sensors will enter soon the marketplace with the promise of flexibility, quick deployment an...
Michele Magno, Federico Tombari, Davide Brunelli, ...
GLOBECOM
2009
IEEE
14 years 2 months ago
Data Acquisition through Joint Compressive Sensing and Principal Component Analysis
—In this paper we look at the problem of accurately reconstructing distributed signals through the collection of a small number of samples at a data gathering point. The techniqu...
Riccardo Masiero, Giorgio Quer, Daniele Munaretto,...
IPPS
2007
IEEE
14 years 1 months ago
Aggregate Threshold Queries in Sensor Networks
— An important class of queries over sensor networks are network-wide aggregation queries. In this work we study a class of aggregation queries which we refer to as aggregate thr...
Izchak Sharfman, Assaf Schuster, Daniel Keren
ICDE
2004
IEEE
140views Database» more  ICDE 2004»
14 years 9 months ago
Approximate Aggregation Techniques for Sensor Databases
In the emerging area of sensor-based systems, a significant challenge is to develop scalable, fault-tolerant methods to extract useful information from the data the sensors collec...
Jeffrey Considine, Feifei Li, George Kollios, John...
GIS
2004
ACM
14 years 8 months ago
Supporting spatial aggregation in sensor network databases
Sensor networks are unattended deeply distributed systems whose schema can be conceptualized using the relational model. Aggregation queries on the data sampled at each ode are th...
Mehdi Sharifzadeh, Cyrus Shahabi