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English(EN) Information-Based Calibration of Uncertainty Quantification in Product-of-Experts Gaussian Process Models

新的高斯过程模型增强不确定性量化

研究人员开发了 GP-pro-c,这是一种新的产品专家高斯过程(GP)模型,旨在改进不确定性量化。该模型通过利用 GP 中信息增益的单调性和次模性来校准后验方差,减少了在局部专家基于不相交的数据子集进行训练时可能发生的方差高估。实验表明,与未经校准的模型相比,GP-pro-c 在负对数似然和预期归一化校准误差方面取得了显著降低,同时保持了预测准确性和计算效率。这种方法为可扩展高斯过程模型中的不确定性估计提供了一个有前途的解决方案,可能使具有大规模数据集的贝叶斯优化等应用受益。 AI

影响 改进了可扩展高斯过程模型中的不确定性估计,可能使贝叶斯优化受益。

排序理由 该集群包含一篇详细介绍高斯过程模型新方法的学术论文。[lever_c_demoted from research: ic=1 ai=1.0]

在 arXiv cs.LG 阅读 →

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新的高斯过程模型增强不确定性量化

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该集群包含一篇详细介绍高斯过程模型新方法的学术论文。[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) · Yean Hoon Ong, Paolo Barucca, Wei Pan, Jun Wang ·

    基于信息的产品专家高斯过程模型不确定性量化校准

    arXiv:2608.29349v1 Announce Type: new Abstract: Gaussian process (GP) regression with a single global GP (GP-glo) incurs cubic computational cost, limiting scalability to large datasets. Product-of-experts GP models (GP-pro), which combine local GP models to capture global correl…