Table 3 Steps of the ablation experiment and corresponding accuracy
From: A lightweight CVTC model for accurate Alzheimer’s MRI analysis and lesion annotation
Ablation experiment | Cross-scale embedding layer | Dynamic position bias | Short-range attention | Long-range attention | Depth of transformer layers | Accuracy |
|---|---|---|---|---|---|---|
Complete model | √ | √ | √ | √ | √ | 96.32% |
Convolutional layer | Convolutional layer | √ | √ | √ | √ | 94.38% |
Removing dynamic position bias | √ | × | √ | √ | √ | 93.92% |
Only short-range attention | √ | √ | × | √ | √ | 95.47% |
Only long-range attention | √ | √ | √ | × | √ | 90.78% |
Reducing the depth of transformer layers | √ | √ | √ | √ | ↓ | 94.53% |
Increasing the depth of transformer layers | √ | √ | √ | √ | ↑ | 91.10% |