基于对医疗保健物联网设备改进的粒子群集优化增强的联合学习
Essam H Houssein1, Awny Sayed2
1Faculty of Computers and Information, Minia University, Minia, Egypt.
Computers in biology and medicine
|July 2, 2023
概括
这项研究介绍了FedImpPSO,一种改进的联合学习方法,提高了医疗保健AI的准确性和稳定性. 它在不稳定的网络中性能优于现有的方法,改善了患者护理和数据隐私.
科学领域:
- 计算机科学 计算机科学
- 人工智能的人工智能
- 医疗保健技术 技术 医疗保健 技术
背景情况:
- 随着各种医疗保健数据的可用性不断增加,需要可靠的机器学习 (ML) 模型.
- 患者数据隐私问题和有限的设备功能有利于分散的ML方法,如联合学习 (FL).
- 由于高数据传输量,当前的FL聚合方法在不稳定的网络条件下难以准确.
研究的目的:
- 提出FedImpPSO,一种使用粒子集群优化 (PSO) 的增强联合学习聚合方法.
- 在不稳定的网络环境中提高FL模型的准确性和稳定性.
- 评估FedImpPSO在医疗保健应用中的有效性,特别是疾病分类.
主要方法:
- 开发了FedImpPSO,这是FL模型聚合的改进PSO算法,专注于分数值而不是原始权重.
- 修改了数据交换格式,以提高FL网络的速度和效率.
- 用CIFAR-10/100数据集与卷积神经网络 (CNN) 和两个医疗病例研究 (COVID-19分类,心血管疾病预测) 评估FedImpPSO.
主要成果:
- 在基准数据集上,FedImpPSO实现了比FedAvg平均8.14%的精度改善,比FedPSO平均2.5%的精度改善.
- 在医疗保健案例研究中,FedImpPSO表现出强的表现:77.90%的COVID-19 (超声波) F1得分,92.16%的COVID-19 (X射线) F1得分,91.18%的心脏病预测准确度.
- 拟议的方法在不稳定的网络条件下显著提高了准确性和稳定性.
结论:
- FedImpPSO有效地提高了联邦学习的准确性和稳定性,特别是在具有挑战性的网络环境中.
- 这种方法具有很大的潜力,可以在医疗保健中推进保护隐私的人工智能,改善诊断和患者的治疗结果.
- 在数据敏感领域,FedImpPSO为安全可靠的ML应用提供了一个有前途的解决方案.
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