Figure 2. ROC curves of kNN, SVM, and Random Forest analysis. The classifiers on image (A) are applied to all images. (A) ROC curve from a T1-weighted image with the five best-ranked features. (B) ROC curve from T1 C+ image with the five best-ranked features. (C) ROC curve from T2-weighted image with the five best-ranked features. (D) ROC curve from DWI with the five best-ranked features. (E) ROC curve from FLAIR image with the five best-ranked features.