Table 3. Anatomical element and animal carcass size of the tooth marked specimens from DS 22B and probability of classification of each tooth mark yielded by the most successful CNN models (ResNet 50 model and VGG19 transfer learning architectures).
| Pits | VGG19 | RESNET 50 | |||||
|---|---|---|---|---|---|---|---|
| Label | Element | Animal size | Prob. Hyena | Prob. Lion | Prob. Hyena | Prob. Lion | Classificaton |
| 410 | metacarpal | 3 | 0.999 | 0.001 | 0.999 | 0.001 | Hyena |
| 1020a | tibia | 3 | 0.999 | 0.001 | 0.983 | 0.017 | Hyena |
| 1020b | tibia | 3 | 0.999 | 0.001 | 0.999 | 0.001 | Hyena |
| 1422 | caudal vertebra | 0.999 | 0.001 | 0.384 | 0.616 | Discarded | |
| 1445a | metapodial | 4–5 | 0.765 | 0.235 | 0.98 | 0.02 | Hyena |
| 2476 | metacarpal | 3 | 0.999 | 0.001 | 0.999 | 0.001 | Hyena |
| 2560 | tibia | 3 | 0.999 | 0.001 | 0.999 | 0.001 | Hyena |
| 2590 | rib | 3 | 0.964 | 0.036 | 0.11 | 0.89 | Discarded |
| 2880 | humerus | 1 | 0.814 | 0.186 | 0.979 | 0.021 | Hyena |
| 2945 | humerus | 3 | 0.992 | 0.008 | 0.997 | 0.003 | Hyena |
| 3121a | metatarsal | 3 | 0.879 | 0.121 | 0.645 | 0.355 | Hyena |
| 3112b | thoracic vertebra | 1 | 0.999 | 0.001 | 0.989 | 0.011 | Hyena |
| 3112c | thoracic vertebra | 1 | 0.999 | 0.001 | 0.999 | 0.001 | Hyena |
| 3125a | tibia | 3 | 0.999 | 0.001 | 0.999 | 0.001 | Hyena |
| 3125b | tibia | 3 | 0.999 | 0.001 | 0.999 | 0.001 | Hyena |
| 3492 | rib | 3 | 0.999 | 0.001 | 0.937 | 0.063 | Hyena |
| 3753b | radius | 3 | 0.999 | 0.001 | 0.999 | 0.001 | Hyena |
| 4288 | mandible | 3 | 0.01 | 0.99 | 0.01 | 0.99 | Lion |
| 4487 | rib | 2 | 0.999 | 0.001 | 0.971 | 0.029 | Hyena |
| 1756 | indet | 3 | 0.999 | 0.001 | 0.976 | 0.024 | Hyena |