摘要
随着传感器网络环境监控应用的发展,传感器网络测量数据的异常检测近年来受到学术界和工业界的高度关注。提出一种基于DBSCAN(Density-Based Spatial Clustering of Application with Noise)的异常数据检测方法,该方法利用距离定义数据的相似度进行划分聚类,使用DBSCAN算法提取环境特征集,并根据特征集对异常数据进行检测。最后,基于真实的传感器网络完成了多组实验,实验结果表明该方法能够实时准确地检测出异常数据。
With the development of applying sensor network to environment monitoring, the abnormal detection on data measurement in sensor network attracts much attentions recently by both academics and industry. A method of abnormal data detection based on DBSCAN (Density-based spatial clustering of application with noise) is proposed in the paper, which uses distance to define the similarity of data for cluster partitioning, and uses DBSCAN to extract the feature set of environment, and to detect the abnormal data according to the feature set. In the end of the paper we present a set of experiments accomplished in real sensor network, the experimental results show that the proposed niethod can detect the abnormal data timely and correctly.
出处
《计算机应用与软件》
CSCD
北大核心
2012年第11期69-72,111,共5页
Computer Applications and Software
基金
国家自然科学基金项目(61174023
90818010)
浙江省自然科学基金项目(Y1110880
Y1110791)
关键词
传感器网络
环境监测
异常数据检测
聚类
Sensor network Environmental monitoring Abnormal data detection Clustering