Figure 4
From: Predicting extremely low body weight from 12-lead electrocardiograms using a deep neural network
Examples of the heatmap generated by Grad-CAM. (a) True positive (high prediction score and BMI ≤ 12.6 kg/m2), (b) true negative (low prediction score and BMI > 12.6 kg/m2), (c) false positive (high prediction score but BMI > 12.6 kg/m2), and (d) false negative (low prediction score but BMI ≤ 12.6 kg/m2).
