Table 1 Data annotation statistics. (source: authors’ data).
Insertion depth | Number of annotated frames | Average number of frames per video | Average duration per video (sec) |
|---|---|---|---|
Shallow | 74300 | 542.42 | 18.08 |
Glottic Zone | 216553 | 1640.55 | 54.68 |
Deep | 8102 | 61.38 | 2.04 |
All | 298,955 | 2264.81 | 75.49 |