Additional file 1 of Artificial intelligence improves the accuracy of residents in the diagnosis of hip fractures: a multicenter study

Additional file 1 : Supplemental methods. Supplemental Figure 1. Image preprocessing. Supplemental Figure 2. Configuration diagram of the EfficientNet-B4 model. Supplemental Figure 3. The machine learning process. Supplemental Figure 4. The diagnostic test for clinicians. Supplemental Figure 5. Validation of the accuracy of heat maps generated by Grad-CAM [34, 35].