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Online Neural Networks for Change-Point Detection

2020-10-03 16:55:59
Mikhail Hushchyn, Kenenbek Arzymatov, Denis Derkach
arXiv_AI
           
Abstract

Moments when a time series changes its behaviour are called change points. Detection of such points is a well-known problem, which can be found in many applications: quality monitoring of industrial processes, failure detection in complex systems, health monitoring, speech recognition and video analysis. Occurrence of change point implies that the state of the system is altered and its timely detection might help to prevent unwanted consequences. In this paper, we present two online change-point detection approaches based on neural networks. These algorithms demonstrate linear computational complexity and are suitable for change-point detection in large time series. We compare them with the best known algorithms on various synthetic and real world data sets. Experiments show that the proposed methods outperform known approaches.

Abstract (translated)

URL

https://arxiv.org/abs/2010.01388

PDF

https://arxiv.org/pdf/2010.01388.pdf

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