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Federated Fusion of Magnified Histopathological Images for Breast Tumor Classification in the Internet of Medical Things

B. L. Agbley,J. Li,A. Haq,E. K. Bankas,C. Mawuli,Sultan Ahmad,Shakir Khan,Ahmad Raza Khan

Published 2023 in IEEE journal of biomedical and health informatics

ABSTRACT

Breast tumor detection and classification on the Internet of Medical Things (IoMT) can be automated with the potential of Artificial Intelligence (AI). Deep learning models rely on large datasets, however, challenges arise when dealing with sensitive medical data. Restrictions on sharing these medical data result in limited publicly available datasets thereby impacting the performance of the deep learning models. To address this issue, we propose an approach that combines different magnification factors of histopathological images using a residual network and information fusion in Federated Learning (FL). FL is employed to preserve the privacy of patient data, while enabling the creation of a global model. Using the BreakHis dataset, we compare the performance of FL with centralized learning (CL). We also performed visualizations for explainable AI. The final models obtained become available for deployment on internal IoMT systems in healthcare institutions for timely diagnosis and treatment. Our results demonstrate that the proposed approach outperforms existing works in the literature on multiple metrics.

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