评估视觉和病理学基础模型用于计算病理学:一个全面的基准研究
Olivier Gevaert1, Rohan Bareja1, Francisco Carrillo-Perez1
1Stanford University School of Medicine.
Research square
|July 9, 2025
概括
对31个AI基础模型的计算病理学的综合基准发现Virchow2表现最好. 病理特异视觉模型 (Path-VM) 表现出色,而模型和数据大小并没有持续提高性能.
科学领域:
- 计算病理学计算病理学
- 医学中的人工智能
- 精确诊断技术的精确诊断
背景情况:
- 推进精准医学需要强大的AI病理学基础模型.
- 目前人工智能模型的性能和在多样化的组织病理学数据的概括性被低估了.
研究的目的:
- 为了对31个AI基础模型进行计算病理学的基准测试.
- 在各种数据集和任务中评估模型性能.
主要方法:
- 基准31个AI基础模型:视觉模型 (VM),视觉语言模型 (VLM),病理特定的VM (Path-VM) 和病理特定的VLM (Path-VLM).
- 评估了来自TCGA,CPTAC,外部和域外数据集的41个任务的模型.
- 根据疾病检测,分类和预后见解评估绩效.
主要成果:
- 一个病理学基础模型Virchow2在多个数据集中实现了最高的性能.
- 路径-VM模型的表现优于路径-VLM和一般VM,在任务中排名高.
- 模型和数据大小并不总是与性能改善相关.
结论:
- Virchow2在各种组织病理学评估中显示出高效率.
- 路径-VM模型显示出强大的潜力,但需要进一步的研究来提高概括性.
- 融合模型整合了顶级执行者,在各种组织和任务中提供了卓越的概括性.
相关概念视频
Model Approaches for Pharmacokinetic Data: Physiological Models
Physiological models in pharmacokinetics are instrumental in understanding the distribution and elimination of drugs within the body. These models describe the drug concentration within target organs, influenced by factors such as drug uptake, tissue volume, and blood flow. Drug uptake is governed by the partition coefficient, which signifies the drug concentration ratio in tissue to that in the blood. The blood flow rate to a specific tissue is expressed as Qt, and the rate of change in tissue...
Pharmacokinetic Models: Comparison and Selection Criterion
Physiological and compartmental models are valuable tools used in studying biological systems. These models rely on differential equations to maintain mass balance within the system, ensuring an accurate representation of the dynamic processes at play.
Physiological models take a detailed approach by considering specific molecular processes. They can predict drug distribution, metabolism, and elimination changes, providing a comprehensive understanding of how drugs interact with the body.
Physiological models take a detailed approach by considering specific molecular processes. They can predict drug distribution, metabolism, and elimination changes, providing a comprehensive understanding of how drugs interact with the body.
Pharmacodynamic Models: Overview
Pharmacodynamic (PD) responses describe the interaction between a drug and its biological target, culminating in a physiological effect. These responses can be classified into different types: continuous variables, such as blood glucose levels; categorical outcomes, like survival rates; and time-to-event metrics, such as disease progression. Understanding and modeling PD responses are critical for optimizing drug efficacy and safety.PD models describe the relationship between drug concentration...


