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. 2014 Apr 9;14(4):6535–6566. doi: 10.3390/s140406535

Figure 9.

Figure 9.

Receiver operating curves of the implemented algorithms. (a) Algorithm 1: tracking of crests (stat.moments); (b) Algorithm 2: tracking of crests (energy); (c) Algorithm 3: tonality tracking; (d) Algorithm 4: peak entropy change detection. AUC, area under the curve; TPR, true positive rate; SE, sensitivity; FPR, false positive rate; SP, specificity.