Cited by 44Privacy-Preserving Technologies in DataCOVID-19 diagnosis using AIArtificial Intelligence in Healthcare and Education

FedSGDCOVID: Federated SGD COVID-19 Detection under Local Differential Privacy Using Chest X-ray Images and Symptom Information

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Ho, Trang-Thi, Tran, Khoa-Dang, Huang, Yennun·2022·Sensors

Abstract

Coronavirus (COVID-19) has created an unprecedented global crisis because of its detrimental effect on the global economy and health. COVID-19 cases have been rapidly increasing, with no sign of stopping. As a result, test kits and accurate detection models are in short supply. Early identification of COVID-19 patients will help decrease the infection rate. Thus, developing an automatic algorithm that enables the early detection of COVID-19 is essential. Moreover, patient data are sensitive, and they must be protected to prevent malicious attackers from revealing information through model updates and reconstruction. In this study, we presented a higher privacy-preserving federated learning system for COVID-19 detection without sharing data among data owners. First, we constructed a federated learning system using chest X-ray images and symptom information. The purpose is to develop a decentralized model across multiple hospitals without sharing data. We found that adding the spatial pyramid pooling to a 2D convolutional neural network improves the accuracy of chest X-ray images. Second, we explored that the accuracy of federated learning for COVID-19 identification reduces significantly for non-independent and identically distributed (Non-IID) data. We then proposed a strategy to improve the model’s accuracy on Non-IID data by increasing the total number of clients, parallelism (client-fraction), and computation per client. Finally, for our federated learning model, we applied a differential privacy stochastic gradient descent (DP-SGD) to improve the privacy of patient data. We also proposed a strategy to maintain the robustness of federated learning to ensure the security and accuracy of the model.

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  • A tradeoff between model accuracy and desired privacy level needs to be considered when using differential privacy.

    “Hence, a tradeoff between model accuracy and desired privacy level needs to be considered [26].”
  • In federated learning for COVID-19 detection using chest X-rays and symptoms across multiple hospitals, non-IID privacy preservation is achieved by adding differential privacy stochastic gradient descent, which provides resilience to adaptive attacks with auxiliary information.

    “In addition to the measures to improve model accuracy for data, non-IID privacy preservation is achieved by adding the differential privacy stochastic gradient descent (DP-SGD) which provides required resilience to adaptive attacks auxiliary information [26].”
  • By increasing the number of participants in the federated learning system, a high differential privacy guarantee can be achieved with minimal effect on model accuracy.

    “The results showed that by increasing the number of participants in the FL system high differential guarantee can be achieved with minimal effect on model accuracy [26].”
  • DP poses all relevant characteristics to mitigate all risks associated with information leakage during model parameter exchange.

    “DP also poses all relevant characteristics to mitigate all risks associated with information leakage during model parameter exchange [26,30,32].”

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Research works printed but not linked: 2

  1. [56]He K. Gkioxari G. Dollár P. Girshick R. Mask r-cnn Proceedings of the IEEE International Conference on Computer Vision Venice, Italy 22–29 October 2017 2961 2969
  2. [65]Mahmood M.R. Abdulazeez A.M. Orman Z. A new hand gesture recognition system using artificial neural network Proceedings of the 2nd International Scientific Conference, Zakho-Duhok Iraq 18 April 2017 1 14

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Authors
Ho, T.-T., Tran, K.-D., & Huang, Y.
Affiliations
Research Center for Information Technology Innovation, Academia Sinica (TW)
Corresponding author
Ho, Trang-Thi
Venue
Sensors
Publisher
MDPI AG
Published
2022-05-13
Volume
22
Issue
10
Pages
3728
ISSN
1424-8220 (ISSN-L)
OpenAlex
W4280580930
Cited by
44
References
83
Citations by year
2026: 7 · 2025: 5 · 2024: 13 · 2023: 16 · 2022: 3
FWCI
3.04
Type
journal article
Language
en
Open access
Locations
  • Sensors (publishedVersion, cc-by)
  • PubMed Central (publishedVersion, cc-by)
  • PubMed (publishedVersion)
  • Tamkang University Institutional Repository (TKUIR) (submittedVersion)
  • DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion, cc-by-sa)
Funders
  • Ministry of Science and Technology of the Republic of China (MOST109-2221-E-001-019-MY3, AS-KPQ-109-DSTCP)
  • Academia Sinica (MOST109-2221-E-001-019-MY3, AS-KPQ-109-DSTCP)
Topics
  • Physical Sciences › Computer Science › Artificial Intelligence › Privacy-Preserving Technologies in Data
  • Health Sciences › Medicine › Radiology, Nuclear Medicine and Imaging › COVID-19 diagnosis using AI
  • Health Sciences › Medicine › Health Informatics › Artificial Intelligence in Healthcare and Education
Keywords
COVID-19 detection, federated learning, differential privacy, DP-SGD, chest X-ray images, non-IID data, spatial pyramid pooling, 2D convolutional neural network, privacy-preserving machine learning, decentralized learning
MeSH terms
COVID-19, Humans, Thorax, X-Rays, Neural Networks, Computer, Privacy

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