对比4种病理基础模型,找出高效适配真实临床数据的策略。
Benchmarking Pathology Foundation Models: Adaptation Strategies and Scenarios
- 测试5种微调方法,发现参数高效微调最有效
- 在数据少时,仅测试阶段修改的方法表现更优
- 为临床部署提供可落地的模型适配方案
在计算病理学中,近年出现了多个病理专用基础模型,展现出更强的病理图像分析能力。然而,将这些模型适配到不同下游任务仍具挑战,尤其在数据来源和采集条件差异大、数据量有限的情况下。本研究在14个数据集上,针对一致性评估与灵活性评估两种场景,对4个病理专用基础模型进行了基准测试。在一致性评估场景中,使用5种微调方法,发现参数高效微调在同任务下适配多种数据集时兼具效率与效果。在数据受限的灵活性评估场景中,采用5种少样本学习方法,发现仅在测试阶段进行修改的方法使基础模型获益更多。这些发现有助于指导病理专用基础模型在真实临床环境中的部署,可能提升病理图像分析的准确性和可靠性。代码已开源:https://github.com/QuIIL/BenchmarkingPathologyFoundationModels。
原文摘要 · Abstract (English)
In computational pathology, several foundation models have recently emerged and demonstrated enhanced learning capability for analyzing pathology images. However, adapting these models to various downstream tasks remains challenging, particularly when faced with datasets from different sources and acquisition conditions, as well as limited data availability. In this study, we benchmark four pathology-specific foundation models across 14 datasets and two scenarios-consistency assessment and flexibility assessment-addressing diverse adaptation scenarios and downstream tasks. In the consistency assessment scenario, involving five fine-tuning methods, we found that the parameter-efficient fine-tuning approach was both efficient and effective for adapting pathology-specific foundation models to diverse datasets within the same downstream task. In the flexibility assessment scenario under data-limited environments, utilizing five few-shot learning methods, we observed that the foundation models benefited more from the few-shot learning methods that involve modification during the testing phase only. These findings provide insights that could guide the deployment of pathology-specific foundation models in real clinical settings, potentially improving the accuracy and reliability of pathology image analysis. The code for this study is available at: https://github.com/QuIIL/BenchmarkingPathologyFoundationModels.
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