一个非互动的在线医疗预诊断系统,基于加密的垂直分区数据
Min Tang1, Yuhao Zhang1, Ronghua Liang2
1Guangxi Key Laboratory of Digital Infrastructure, Guangxi Zhuang Autonomous Region Information Center, Nanning 530000, China; School of Mathematics and Computing Science, Guangxi Colleges and Universities Key Laboratory of Data Analysis and Computation, Guilin University of Electronic Technology, Guilin, 541004, Guangxi, China; Center for Applied Mathematics of Guangxi, GUET, Guilin, 541002, Guangxi, China.
通过解决数据碎片化问题,PPNLR为在线医疗预诊断 (OMPD) 提供了一个安全的框架. 这种方法通过单一的通信提高了诊断准确性和效率,保护了敏感的患者数据.
科学领域:
- 医疗信息学 医疗信息学
- 密码学 密码学 密码学 密码学
- 机器学习 机器学习
背景情况:
- 医疗记录在各机构之间分散,阻碍了在线医疗预诊断 (OMPD) 系统的开发.
- 现有的OMPD联合学习方法涉及频繁的沟通,容易受到推断攻击.
- 医疗保健中的垂直数据碎片化给安全的合作模式带来了挑战.
研究的目的:
- 为OMPD系统提出一个安全和有效的框架,以克服垂直数据碎片化.
- 解决医疗数据隔离与合作模式培训需求之间的冲突.
- 提高OMPD系统的安全性和效率,同时保护患者数据隐私.
主要方法:
- 引入了PPNLR,这是一个结合功能加密和遮因素的安全框架.
- 开发样品特征维度加密和维护隐私的矢量化培训算法.
- 将样本计算与医院与云服务器之间单回合通信的模型培训脱.
主要成果:
- PPNLR对半诚实的推断和勾结攻击表现出抵抗力.
- 对六个现实世界医疗数据集的评估显示,推断准确度与集中式纯文本培训相当.
- 与现有方法相比,实现了至少3.6倍更高的计算效率,并显著降低了通信复杂性.
结论:
- PPNLR通过加密原始码确保数据保护,保持高诊断准确性和模型参数安全性.
- 单一通信架构降低了在资源有限的环境中部署障碍.
- PPNLR为构建OMPD系统提供了一个实用的,对隐私友好的框架.
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