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. 2019 Jun 27;19(13):2863. doi: 10.3390/s19132863

Figure 6.

Figure 6

Performance comparison of the model between band power-based and autoregressive (AR)-based features for subject 4: (a) receiver operating characteristic (ROC) curves for the band power-based and AR-based classifiers; (b) system accuracy with respect to the number of hidden neurons in the artificial neural network (ANN) model; (c) cross-entropy loss during training and testing of the AR model-based classifier.