Fig. 9From: Deep learning for gastroscopic images: computer-aided techniques for clinicians(Reproduced with permission from Ref. [22]. Copyright 2020 Elsevier Publishing)Attention maps generated using the Grad-CAM method. The yellow wireframe areas are the lesion regions of GIM annotated by an experienced endoscopist. The attention map is a heatmap laid over the original image, where a warmer colour indicates a higher contribution to the classification decision.Back to article page