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Investigating the impact of data heterogeneity on the performance of federated learning algorithm using medical imaging

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  • Muhammad Babar
  • Basit Qureshi
  • Anis Koubaa

Abstract

In recent years, Federated Learning (FL) has gained traction as a privacy-centric approach in medical imaging. This study explores the challenges posed by data heterogeneity on FL algorithms, using the COVIDx CXR-3 dataset as a case study. We contrast the performance of the Federated Averaging (FedAvg) algorithm on non-identically and independently distributed (non-IID) data against identically and independently distributed (IID) data. Our findings reveal a notable performance decline with increased data heterogeneity, emphasizing the need for innovative strategies to enhance FL in diverse environments. This research contributes to the practical implementation of FL, extending beyond theoretical concepts and addressing the nuances in medical imaging applications. This research uncovers the inherent challenges in FL due to data diversity. It sets the stage for future advancements in FL strategies to effectively manage data heterogeneity, especially in sensitive fields like healthcare.

Suggested Citation

  • Muhammad Babar & Basit Qureshi & Anis Koubaa, 2024. "Investigating the impact of data heterogeneity on the performance of federated learning algorithm using medical imaging," PLOS ONE, Public Library of Science, vol. 19(5), pages 1-33, May.
    • Handle: RePEc:plo:pone00:0302539
    DOI: 10.1371/journal.pone.0302539
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    References listed on IDEAS

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    1. Vishnu Kumar Kaliappan & Sundharamurthy Gnanamurthy & Abid Yahya & Ravi Samikannu & Muhammad Babar & Basit Qureshi & Anis Koubaa, 2023. "Machine Learning Based Healthcare Service Dissemination Using Social Internet of Things and Cloud Architecture in Smart Cities," Sustainability, MDPI, vol. 15(6), pages 1-15, March.
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