Research Article
An Improved Object Detection Method for Underwater Sonar Image Based on PP-YOLOv2
Table 3
Ablation experiment for MHSA and DCN position.
| | Backbone | c5-DCN | (%) | (%) | (%) |
| | BotNet50 | (0, 0, 0) | 52.2 | 91.7 | 51.3 | | The first stage | (1, 0, 0) | 51.7 (-0.5) | 92.3 (+0.6) | 52.3 (+1.0) | | The middle stage | (0, 1, 0) | 51.9 (-0.3) | 92.7 (+1.0) | 51.1 (-0.2) | | The last stage | (0, 0, 1) | 52.6 (+0.4) | 89.6 (-2.1) | 56.4 (+5.3) |
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