Anomaly detection by clustering ellipsoids in wireless sensor networks

@article{Moshtaghi2009AnomalyDB,
  title={Anomaly detection by clustering ellipsoids in wireless sensor networks},
  author={Masud Moshtaghi and Sutharshan Rajasegarar and Christopher Leckie and Shanika Karunasekera},
  journal={2009 International Conference on Intelligent Sensors, Sensor Networks and Information Processing (ISSNIP)},
  year={2009},
  pages={331-336}
}
A major challenge for the management of low-cost sensor networks is how to ensure the integrity of the data collected, and how to detect unusual events. In this paper, we present a distributed algorithm for anomaly detection in wireless sensor networks, which reduces the amount of data that needs to be communicated through the network. Our approach learns an ellipsoidal boundary for normal data at each sensor, and introduces a method to cluster these ellipsoids at a global level in order to… CONTINUE READING
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