Table 2. Average cluster performance overall phantom samples.

Method	Accuracy	Sensitivity	Specificity
PCA K-Means	93.7	98.4	87.6
PHA K-Means	90.2	97.1	82.6
COM K-Means	92.3	95.6	87.4
SUB K-Means	90.2	96.2	83.4
ACF K-Means	73.9	93.0	64.1
PCA SOM	89.9	97.6	82.4