Table 2. Heterogeneity confusion matrices.
The number of images in the predicted class and true class are shown, with corresponding accuracy, sensitivity/recall, specificity and precision for (vector field; image pixels): (98.72%; 49.97%), (98.83%; 99.85%) and (98.62%; 0.10%), (98.63%; 49.99%), respectively.
| Predicted vector-field cosine similarity | Observed image pixels L2 | |||
|---|---|---|---|---|
| Predicted | Predicted | |||
| Actual | + | − | + | − |
| + | 1937 | 23 | 1957 | 3 |
| − | 27 | 1933 | 1958 | 2 |