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Event Boundary Detection Method Based on Wireless Sensor Network and Linear Neural Network
Pages: 377-384
Year: Issue:  4
Journal: Pattern Recognition and Artificial Intelligence

Keyword:  Wireless Sensor Network(WSN)Linear Neural NetworkAnomaly DetectionEvent Boundary Detection;
Abstract: Environmental monitoring is a typical application in wireless sensor network( WSN),and event boundary detection is important for environmental monitoring. In this paper,a temporal-spatial data model of WSN is established,and then an event boundary detection method based on the linear neural network is presented. Firstly,the temporal correlation of data stream is analyzed,and the abnormal data set is determined based on linear neural network technique. Then,the event boundary is detected by using the spatial correlation of data stream between the neighbor nodes,and both the fault nodes and the event boundary nodes can be found. Thus,the location and the size of the event region can be estimated.Theoretical analysis and experimental results show that the proposed method has a high accuracy of fault node and event boundary detection and a low false positive rate.
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