Fig 1.
Example images of HCC (1a), cyst (1b), hemangioma (1c), FFS (1d), and FFI (1e) included in the study. Left panels show original images inputted into the AI system. Right panels show AI-outputted bounding boxes around each lesion along with the predicted diagnoses and its confidence value for prediction.
Fig 2.
Process of AI system training and evaluation.
Table 1.
Number of USG images from 3 participating hospitals, along with allocation of images for AI training and performance evaluation.
Table 2.
Performance of the AI system on the internal test set and external validation cohorts.
Table 3.
Confusion matrix for classification results on internal test set and external validation set.