Proceedings of the 5th International Conference on Computational Linguistics and Intelligent Systems (COLINS2021), 1, 1770–1780p. (2021) http://ceur-ws.org/Vol-2870/paper128.pdf
Applying recurrence plots to classify time series
L. Kirichenko, T. Radivilova, J. StepanenkoThe article describes a new approach to the classification of time series based on the construction of their recurrence plots. After transforming the time series into recurrence plots, two approaches are applied for classification. On the first approach, numerical recurrence characteristics are used for classification as features. In the second case, the time series is interpreted as image of its recurrence plot. A convolutional neural network is chosen for image classification. The data for the classification are the electrocardiograms realizations of 100 values, which contained records of healthy people and patients with a diagnosis of ischemia. Research results showed the advantages of classifying images of recurrence plots, indicate a good classification accuracy in comparison with other methods and the potential capabilities of this approach.
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