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%