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English(EN) Not Just How Much, But Where: Decomposing Epistemic Uncertainty into Per-Class Contributions

新方法将AI不确定性分解为每类贡献

研究人员开发了一种新方法,将贝叶斯深度学习模型中的认知不确定性分解为每类贡献。这种新指标,称为 $C_k(x)$,可以更细致地理解模型的无知,特别是在失败成本不对称的安全关键应用中。通过将互信息(MI)分解为一个按类别加权不确定性的向量,该方法提高了选择性预测的准确性,并与传统的标量MI相比提供了更好的分布外检测。 AI

影响 通过提供对模型不确定性的更清晰理解,这项研究可能导致安全关键领域中更可靠的AI系统。

排序理由 该集群包含一篇研究论文,详细介绍了一种用于分解机器学习模型中认知不确定性的新方法。[lever_c_demoted from research: ic=1 ai=1.0]

在 arXiv cs.LG 阅读 →

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新方法将AI不确定性分解为每类贡献

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该集群包含一篇研究论文,详细介绍了一种用于分解机器学习模型中认知不确定性的新方法。[lever_c_demoted from research: ic=1 ai=1.0]
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报道来源 [1]

  1. arXiv cs.LG TIER_1 English(EN) · Mame Diarra Toure, David A. Stephens ·

    不仅是数量,更是地点:将认知不确定性分解为每类的贡献

    arXiv:2602.21160v3 Announce Type: replace-cross Abstract: In safety-critical classification, the cost of failure is often asymmetric, yet Bayesian deep learning summarises epistemic uncertainty with a single scalar, mutual information (MI), that cannot distinguish whether a model…