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. 2020 Apr 20;17:52. doi: 10.1186/s12984-020-00684-4

Fig. 5.

Fig. 5

Effect of magnitude-only features. Relationship between feature computation time and model performance (AUROC) for (a) Binary and (b) Multiclass models of tremor and bradykinesia. Shaded regions depict a 95% confidence interval of the mean AUROC. Features derived from the signal magnitude alone can achieve similar performance to combined tri-axial and magnitude features at a fraction of the computation time