Skip to main content
. 2020 Feb 1;9(2):392. doi: 10.3390/jcm9020392

Figure 5.

Figure 5

Original and Grad-CAM sample images of correctly predicted by the best-performing deep CNN model (VGG16-TR-TF) for DPR image-based osteoporosis screening are illustrated. Below each original sample images, a Grad-CAM image is superimposed over the original image. The bright red in each Grad-CAM image indicate the region that has the greatest impact on screening osteoporosis patients.