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Deep Gated Recurrent and Convolutional Network Hybrid Model for Univariate Time Series Classification

18 Dec 2018arXiv:1812.07683archive 2025-07-28

Nelly Elsayed, Anthony S. Maida, Magdy Bayoumi

Hybrid LSTM-fully convolutional networks (LSTM-FCN) for time series classification have produced state-of-the-art classification results on univariate time series. We show that replacing the LSTM with a gated recurrent unit (GRU) to create a GRU-fully convolutional network hybrid model (GRU-FCN) can offer even better performance on many time series datasets. The proposed GRU-FCN model outperforms state-of-the-art classification performance in many univariate and multivariate time series datasets. In addition, since the GRU uses a simpler architecture than the LSTM, it has fewer training parameters, less training time, and a simpler hardware implementation, compared to the LSTM-based models.

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ClassificationGeneral ClassificationTime SeriesTime Series AnalysisTime Series Classification

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LSTMSigmoid ActivationTanh Activation

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