Table 11 Ablation study of VertebraFormer components on the MultiSpine validation set

From: Structure-aware multi-task learning with domain generalization for robust vertebrae analysis in spinal CT

 

Segmentation + identification

Lesion detection

Configuration

Dice (%)

ID Acc (%)

mIoU

Dice (%)

ID Acc (%)

Lesion AP (%)

UNETR Baseline19

88.1

79.5

72.4

–

+Multi-head ID Branch15

88.4

83.2

74.6

–

+Lesion Detection Head16

88.5

83.1

74.5

88.5

83.1

65.8

+Dynamic Modulation13

89.3

85.6

76.1

89.3

85.6

68.7

  1. Progressive addition of components shows consistent improvements across all metrics. UNETR19 serves as the baseline for comparison.
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