Federated Learning in radiomics: A comprehensive meta-survey on medical image analysis
Asaf Raza, Antonella Guzzo, Michele Ianni, Rosamaria Lappano, Alfredo Zanolini, Marcello Maggiolini, Giancarlo Fortino
Abstract
Federated Learning (FL) has emerged as a promising approach for collaborative medical image analysis while preserving data privacy, making it particularly suitable for radiomics tasks. This paper presents a systematic meta-analysis of recent surveys on Federated Learning in Medical Imaging (FL-MI), published in reputable venues over the past five years. We adopt the PRISMA methodology, categorizing and analyzing the existing body of research in FL-MI. Our analysis identifies common trends, challenges, and emerging strategies for implementing FL in medical imaging, including handling data heterogeneity, privacy concerns, and model performance in non-IID settings. The paper also highlights the most widely used datasets and a comparison of adopted machine learning models. Moreover, we examine FL frameworks in FL-MI applications, such as tumor detection, organ segmentation, and disease classification. We identify several research gaps, including the need for more robust privacy protection. Our findings provide a comprehensive overview of the current state of FL-MI and offer valuable directions for future research and development in this rapidly evolving field. • Literature on federated learning for radiomics medical image analysis (FL-MI) has been analyzed. • Methods, dominant trends, and research progress emerging from the state-of-the-art survey has been presented. • Strengths and research gaps, pointing out unresolved issues that require further exploration have been highlighted.