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Subgroup Performance Analysis in Hidden Stratifications

delete2026-01-01
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PRE
AI
B
Bissoto, Alceu
H
Hoang, Trung-Dung
F
Fliihmann, Tim
S
Sun, Susu
C
Christian F. Baumgartner
K
Koch, Lisa M. *
DOI:10.1007/978-3-032-05185-1_57delete
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摘要

摘要

En 中文
机器学习(ML)模型在不同患者群体间可能存在显著性能差异。通过在细粒度层面监测性能来识别此类差异,对于安全地将ML部署到每位患者至关重要。基于元数据的传统亚组分析只有在可用元数据(如患者性别)足以反映性能变异的主要因素时,才能揭示性能差异,但这并不常见。基于学习特征表示识别凝聚亚组的亚组发现技术似乎是一种潜在解决方案:它们可以揭示隐藏的分层并提供更细粒度的亚组性能报告。然而,亚组发现即使作为独立任务也难以评估,因为真实数据中不存在地面真实分层标签。因此,亚组发现既未被应用于亚组性能监测,也未被评估。在此,我们将亚组发现应用于胸部X光和皮肤病变分类中的性能监测。我们提出了新的评估策略,并表明一种简化的亚组发现方法(无需分类标签或元数据)可以揭示比传统基于元数据的亚组分析更大的性能差异。我们提供了首个令人信服的证据,表明亚组发现可以作为全面性能验证和监测可信医疗AI的重要工具(代码可访问https://github.com/alceubissoto/hidden-subgroup-perf)。
Keyword:
Subgroup discovery
performance monitoring

期刊

M
MEDICAL IMAGE COMPUTING AND COMPUTER ASSISTED INTERVENTION - MICCAI 2025, PT XIV
IF:
0
论文数:
59
被引数:
0

机构

E
Eberhard Karls University of Tubingen
学者数:
843
论文数: 341
被引数: 0
U
University of Bern
学者数:
4.0W
论文数: 3.1W
被引数: 4.8W
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