Open Access
Table 1
Visual checking of targets automatically tracked by Sonar5-Pro by use of SMC software.
| True type of target | Number | Percentage |
|---|---|---|
| Individual fish passage | 120 | 48% |
| Fish already tracked (multiple counting) | 59 | 24% |
| Aggregation of small fish | 54 | 22% |
| Drifting objects | 12 | 5% |
| Artefact | 3 | 1% |
| Automatically tracked targets | 248 | 100% |
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