An Effective Streams Clustering Method for Biomedical Signals

An Effective Streams Clustering Method for Biomedical Signals

Pimwadee Chaovalit (National Science and Technology Development Agency, Thailand)
DOI: 10.4018/978-1-4666-0282-3.ch010


In the healthcare industry, the ability to monitor patients via biomedical signals assists healthcare professionals in detecting early signs of conditions such as blocked arteries and abnormal heart rhythms. Using data clustering, it is possible to interpret these signals to look for patterns that may indicate emerging or developing conditions. This can be accomplished by basing monitoring systems on a fast clustering algorithm that processes fast-paced streams of raw data effectively. This paper presents a clustering method, POD-Clus, which can be useful in computer-aided diagnosis. The proposed method clusters data streams in linear time and outperforms a competing algorithm in capturing changes of clusters in data streams.
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A data stream is a fast-arriving, transient sequence of data values. Data streams’ characteristics (Domingos & Hulten, 2000; Gama, Rodrigues, & Aguilar-Ruiz, 2007) are summarized as follows:

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