Table 5.
Results analyzing 383 images[60]depicting Sellaphora valves (plus one centric diatom)
| Identified as Sellaphora pupula | Identified as other 1) | |
|---|---|---|
| Ranking 0 |
318 |
4 |
| Ranking 1 |
25 |
7 |
| Ranking 2 | 2 | 1 |
1)One centric diatom was present in the data set, the other valves identified as being not Sellaphora have a similar shape and therefore cannot be distinguished when using the large template set.
All five segmentation methods were used (RATS with σ range 1 to 11) and contour optimization was applied.