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An objective of blind source separation (BSS) is to recover potential source signals from their mixtures without a prior knowledge of the mixing process. In this paper, a new underdetermined blind source separation (UDBSS) approach, based on the local mean decomposition (LMD) method and the AMUSE algorithm, is proposed. To make the UDBSS problem simpler, some extra observation signals are first constructed...
The randomness of the network behaviors poses serious challenges for discovering the abnormal patterns in network traffic flows. This paper presents a method based on blind source separation approach for detecting abnormal traffic flows. It decomposes the network traffic into two components: the routine pattern and the abnormal pattern. The scale-space filter with adaptive scale is applied to filter...
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