Table 8 Comparison of different feature fusion strategies.
Fusion strategy | OA | Dice | IoU (%) | Parameter increment | FLOPs |
|---|---|---|---|---|---|
Channel concatenation | 97.8% | 94.5% | 89.4% | +0% | 32 |
Weighted average | 96.9% | 93.7% | 88.1% | +0.1% | 35 |
Channel attention weighting | 97.5% | 94.2% | 89.0% | +0.3% | 30 |
Spatial attention weighting | 97.3% | 93.9% | 88.6% | +0.5% | 28 |
