Table 4.
Comparative performance of three different CNNs, each with the addition of few-shot learning layers, in their ability to identify four known categories of pathology in VCE footage (Whipples, ulcer, bleeding, and angioectasia) as well as a fifth unknown category. Abbreviations: Visual Geometry Group (VGG), Residual Network (ResNet).
| Model | Accuracy | Precision | Sensitivity | F-score |
|---|---|---|---|---|
| VGGNet + Few Shot | 89.3% | 89.5% | 88.8% | 89.0% |
| ResNet + Few Shot | 85.4% | 82.3% | 82.4% | 82.4% |
| AlexNet + Few Shot | 90.8% | 91.4% | 90.9% | 91.0% |