Fifth, although the ablation analysis confirmed that the dual-stream architecture contributes significantly to discriminative performance (DeLong test: p = 0.004 and p = 0.027 for removing global and local streams, respectively), the AUC contributions of fracture-aware gating and Top-K selection did not reach statistical significance ( p = 0.698 and p = 0.691, respectively).
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FAD-MIL: a weakly supervised fracture detection model based on X-ray images.
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