基于人工智能的伤检测模型质量:重新思考IOU和信任值
Dharmi Desai1, Amin Nayebi1, Mehrdad Ghyabi1
1George Mason University, Fairfax, VA.
AMIA ... Annual Symposium proceedings. AMIA Symposium
|February 23, 2026
概括
调整人工智能对象检测模型中的交叉与联盟 (IoU) 和信任值可以减少偏差. 中间门平衡性能和公平性,这对于人工智能驱动的伤检测系统至关重要.
科学领域:
- 计算机科学 计算机科学
- 人工智能的人工智能
- 医疗成像医学成像
背景情况:
- 人工智能对象检测模型 (例如,YOLO,更快的R-CNN) 依赖于交叉与联盟 (IoU) 和性能评估的置信值.
- 固定的门可以在各个子群体中引入偏见和不同的影响,掩盖潜在的公平问题,尽管整体绩效指标强.
研究的目的:
- 调查不同IOU和信任值对标准绩效指标 (精度,回忆,F1得分,mAP) 和公平度指标 (人口平等,均等赔率,机会平等,准确性平等,差异影响) 的影响.
- 探索在不同照明条件下人工智能驱动的伤检测中的公平性和性能权衡.
主要方法:
- 通过使用在自然和替代光源下捕获的伤图像数据集评估AI物体检测模型.
- 分析了系统变化的IOU和信任值对多个绩效和公平性指标的影响.
主要成果:
- 通过选择中间值而不是固定的极端值,观察到公平性和绩效的权衡被减轻了.
- 该研究表明,特定的门选择显著影响模型公平性和绩效结果.
结论:
- 门的动态优化是必要的,以实现高模型性能和AI驱动的伤检测中的公平性.
- 中间值提供了一个有希望的策略,以减轻AI对象检测系统的偏差,用于医疗应用.
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