通过动态模型分区为医疗保健的低延迟联合学习物联网
IEEE journal of biomedical and health informatics
|July 24, 2023
概括
医疗保健中的联合学习面临训练速度和数据隐私方面的挑战. 本研究引入了分割学习方法,以减少延迟并增强资源有限的设备的医疗数据安全性.
科学领域:
- 医疗保健物联网 (H-IoT) 的物联网
- 人工智能在医学中的应用
- 数据隐私和安全数据隐私和安全
背景情况:
- 联合学习 (FL) 对电子健康服务至关重要,但在医疗设备上面临高培训延迟和隐私风险.
- 资源有限的医疗设备在医疗保健物联网 (H-IoT) 部署中加剧了这些挑战.
研究的目的:
- 通过整合分割学习来减少FL的训练延迟,用于H-IoT.
- 为了尽量减少本地模型训练延迟,同时确保医疗数据的隐私.
- 解决医疗器械的能源消耗限制问题.
主要方法:
- 开发了一个三层的FL架构,包括分割学习.
- 制定了一个关于延迟和隐私的长期优化问题.
- 提出了一个使用Lyapunov优化理论的隐私警模型分区算法 (PMPA).
- 医疗设备和边缘服务器之间的PMPA分区模型,使用KL对隐私的分歧和Lyapunov对能源效率的优化.
主要成果:
- 与传统的FL相比,拟议的PMPA显著减少了本地培训延迟时间.
- 在医学图像分类任务中提高了效率.
- 确保敏感医疗数据的安全和隐私.
结论:
- 新的FL架构有效地解决了H-IoT中的延迟和隐私问题.
- 对于资源有限的医疗器械,PMPA提供了一个可行的解决方案.
- 这种方法提高了电子健康服务的性能和安全性.
相关概念视频
Model Approaches for Pharmacokinetic Data: Distributed Parameter Models
96
Pharmacokinetic models are mathematical constructs that represent and predict the time course of drug concentrations in the body, providing meaningful pharmacokinetic parameters. These models are categorized into compartment, physiological, and distributed parameter models.
The distributed parameter models are specifically designed to account for variations and differences in some drug classes. This model is particularly useful for assessing regional concentrations of anticancer or...
The distributed parameter models are specifically designed to account for variations and differences in some drug classes. This model is particularly useful for assessing regional concentrations of anticancer or...
96
Model Approaches for Pharmacokinetic Data: Compartment Models
137
Compartmental analysis is a widely adopted approach to characterizing drug pharmacokinetics. It uses compartment models that conceptualize the body as a collection of reversibly communicating compartments, each representing a group of tissues exhibiting similar drug distribution characteristics. The movement rate of the drug between these compartments is typically described by first-order kinetics.
Two primary types of compartment models are recognized: mammillary and catenary. The more...
Two primary types of compartment models are recognized: mammillary and catenary. The more...
137
Issues And Trends In Healthcare Delivery System
5.7K
The issues and trends in healthcare delivery are constantly changing. The COVID-19 pandemic is one recent issue that wreaked havoc on healthcare systems, causing a shortage of healthcare workers, high demand for medicines and supplies, and increased medical expenditure due to a lack of insurance. Other issues include rising healthcare costs and care fragmentation.
Cost Containment
Payment for healthcare services has historically promoted adoption of costly and often unnecessary or inefficient...
Cost Containment
Payment for healthcare services has historically promoted adoption of costly and often unnecessary or inefficient...
5.7K
Multicompartment Models: Overview
182
Multicompartment models are mathematical constructs that depict how drugs are distributed and eliminated within the body. They segment the body into several compartments, symbolizing various physiological or anatomical areas connected through drug transfer processes such as absorption, metabolism, distribution, and elimination.
These models offer a more comprehensive representation of drug behavior in the body than one-compartment models. They accommodate the complexity of drug distribution,...
These models offer a more comprehensive representation of drug behavior in the body than one-compartment models. They accommodate the complexity of drug distribution,...
182
Model-Independent Approaches for Pharmacokinetic Data: Noncompartmental Analysis
95
Noncompartmental analyses offer an alternative method for describing drug pharmacokinetics without relying on a specific compartmental model. In this approach, the drug's pharmacokinetics are assumed to be linear, with the terminal phase log-linear. This assumption allows for simplified analysis and interpretation of the drug's behavior in the body.
One important characteristic of noncompartmental analyses is that drug exposure increases proportionally with increasing doses. This...
One important characteristic of noncompartmental analyses is that drug exposure increases proportionally with increasing doses. This...
95
Model Approaches for Pharmacokinetic Data: Physiological Models
78
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...
78


