Fig. 2

The overall framework of the proposed model. ROI, region of interest; LASSO, least absolute shrinkage and selection operator; KNN, K-Nearest Neighbor. Grad Cam, Gradient-weighted Class Activation Mapping. AUC, area under curve.

The overall framework of the proposed model. ROI, region of interest; LASSO, least absolute shrinkage and selection operator; KNN, K-Nearest Neighbor. Grad Cam, Gradient-weighted Class Activation Mapping. AUC, area under curve.