Table 5 Cross-domain ablation results (TCGA → DigestPath)

From: Uncertainty-aware and causal test-time adaptive foundation model for robust colorectal cancer pathology diagnosis

Model variant

Acc

AUROC

Baseline Foundation (UNI)

0.808

0.821

+ Uncertainty

0.828

0.841

+ Calibration

0.835

0.847

+ TTA (entropy-only)

0.848

0.861

+ Full UAD-FM (Causal TTA)

0.889

0.893

  1. Causal TTA contributes the most under domain shift.
  2. Bold values indicate the best performance in each column.
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