Research Article
[Retracted] Machine Vision-Based Ping Pong Ball Rotation Trajectory Tracking Algorithm
Table 1
Optimization of migration learning for training.
| ā | Migration learning using Darknet-19 | Without pretraining |
| Minimum epochs required for model convergence | 510 | 960 | Average training time per epoch (s) | 36.52 | 38.52 | Training time to converge (h) | 5.17 | 10.24 |
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