TABLE 1.
Overview of social‐media (WEB)* and field‐video (ULM) databases for dugong detection
| Database | Number of videos | Mean duration (minutes: seconds) | Total duration (hours: minutes: seconds) | Number of images | Number of images with ≥1 dugong | Mean (SD) image width (pixels) | Mean (SD) image height (pixels) | Mean (SD) bounding box width (pixels) | Mean (SD) bounding box height (pixels) |
|---|---|---|---|---|---|---|---|---|---|
| WEB | 22 | 1: 7 | 0: 24: 38 | 1512 | 1303 | 1938 (443) | 1119 (225) | 155 (112) | 144 (112) |
| ULM | 57 | 11: 45 | 10: 52: 23 | 42464 | 161 | 2704 (0) | 1520 (0) | 40 (16) | 39 (17) |
*
Details in Appendix S1.