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English(EN) When Calibration Fails the Vulnerable Hospital: Federated Conformal Risk Control via Risk-Curve Shrinkage

联邦共形风险控制协议解决了医院数据漏洞

研究人员开发了一种新的联邦共形风险控制(CRC)协议,以解决标准CRC在多机构部署中存在的问题。跨机构汇总校准分数的标准方法可以保护平均水平的医院,但无法保证相当一部分个别站点的覆盖率。相反,每个站点的本地CRC方法会将预测集膨胀到无法使用的程度。提出的基于收缩的协议仅将每个站点的经验风险曲线传输到服务器,服务器然后计算每个站点的收缩正则化阈值,从而平衡最坏情况下的覆盖率和预测集的效率。 AI

影响 这项研究可以通过确保参与机构之间更公平的风险分配,来提高联邦学习模型在医疗保健等敏感领域的可靠性和可用性。

排序理由 该集群包含一篇详细介绍联邦机器学习新协议的研究论文。

在 arXiv cs.LG 阅读 →

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联邦共形风险控制协议解决了医院数据漏洞

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报道来源 [2]

  1. arXiv cs.LG TIER_1 English(EN) · Nafis Fuad Shahid ·

    当校准失效时,脆弱医院的联邦一致性风险控制通过风险曲线收缩实现

    arXiv:2606.20115v1 Announce Type: new Abstract: Conformal risk control (CRC) provides distribution-free guarantees on segmentation quality by calibrating a prediction-set threshold on held-out data. In federated deployments, the standard approach pools calibration scores across s…

  2. arXiv cs.LG TIER_1 English(EN) · Nafis Fuad Shahid ·

    当校准失效时,脆弱医院的联邦一致性风险控制通过风险曲线收缩实现

    Conformal risk control (CRC) provides distribution-free guarantees on segmentation quality by calibrating a prediction-set threshold on held-out data. In federated deployments, the standard approach pools calibration scores across sites into a single threshold. We provide the fir…