组织概念:计算机病理学的监督基础模型
Till Nicke1, Jan Raphael Schäfer1, Henning Höfener1
1Fraunhofer Institute for Digital Medicine MEVIS, Bremen/Lübeck/Aachen, Germany.
Computers in biology and medicine
|January 10, 2025
概括
一种新的监督培训方法显著降低了开发人工智能 (AI) 病理学基础模型的成本. 这种方法使用多任务学习训练一个联合编码器,以更少的数据和计算实现高性能.
科学领域:
- 数字病理学数字病理学
- 医学中的人工智能
- 计算生物学是一种计算生物学.
背景情况:
- 病理学家的工作量正在增加,推动了对自动诊断支持的需求.
- 基础模型提供了通用性,但训练成本昂贵.
- 专门的人工智能模型的数据效率开发至关重要.
研究的目的:
- 为基础模型提出一个受监督的培训方法,大大减少数据,计算和时间费用.
- 介绍组织概念编码器,通过多任务学习进行训练.
- 为了评估编码器的性能和跨中心的通用性.
主要方法:
- 多任务学习在912,000个补丁上训练一个联合编码器.
- 组合了16个分类,细分和检测任务.
- 在乳腺,结肠,肺癌和前列腺癌的整张幻灯片图像上进行评估.
主要成果:
- 组织概念模型使用仅6%的训练贴片实现了与自我监督模型相似的性能.
- 在域内和域外数据上超越了ImageNet预训练的编码器.
- 在不同癌症类型和中心中表现出强大的通用性.
结论:
- 拟议的监督多任务学习方法为培训数字病理学的基础模型提供了一种经济有效的方法.
- 组织概念编码器显示了改善癌症诊断中的AI模型开发的巨大潜力.
- 该方法为病理学家提供了强大的和可通用的AI工具.
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