Table 3. Multi-stream framework analysis.
| Model architecture | P | R | F1 | A1 | A3 |
|---|---|---|---|---|---|
| 2D stream | 0.71 | 0.52 | 0.56 | 0.69 | 0.91 |
| 2D + t stream @ FR/2 | 0.63 | 0.59 | 0.58 | 0.70 | 0.89 |
| 2D + t stream @ FR/4 | 0.73 | 0.66 | 0.66 | 0.75 | 0.93 |
| 2D + t stream @ FR/8 | 0.77 | 0.66 | 0.67 | 0.77 | 0.92 |
| Multi-stream late fusion | 0.77 | 0.65 | 0.66 | 0.76 | 0.94 |