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Split Federated Learning (SplitFed) combines federated and split learning to preserve privacy while reducing client-side computation. However, in medical image segmentation, heterogeneous label quality across clients can significantly…

Image and Video Processing · Electrical Eng. & Systems 2026-05-13 Zahra Hafezi Kafshgari , Hadi Hadizadeh , Parvaneh Saeedi

Medical image segmentation plays a vital role in clinic disease diagnosis and medical image analysis. However, labeling medical images for segmentation task is tough due to the indispensable domain expertise of radiologists. Furthermore,…

Image and Video Processing · Electrical Eng. & Systems 2024-03-20 Yubin Zheng , Peng Tang , Tianjie Ju , Weidong Qiu , Bo Yan

Federated learning (FL) is a distributed machine learning technique that enables collaborative model training while avoiding explicit data sharing. The inherent privacy-preserving property of FL algorithms makes them especially attractive…

Current 3D semi-supervised segmentation methods face significant challenges such as limited consideration of contextual information and the inability to generate reliable pseudo-labels for effective unsupervised data use. To address these…

Computer Vision and Pattern Recognition · Computer Science 2023-11-22 Sanaz Karimijafarbigloo , Reza Azad , Yury Velichko , Ulas Bagci , Dorit Merhof

Deep learning has demonstrated significant improvements in medical image segmentation using a sufficiently large amount of training data with manual labels. Acquiring well-representative labels requires expert knowledge and exhaustive…

Computer Vision and Pattern Recognition · Computer Science 2021-06-15 Jinxi Xiang , Zhuowei Li , Wenji Wang , Qing Xia , Shaoting Zhang

Federated learning (FL) has emerged as a promising approach to medical image analysis that allows deep model training using decentralized data while ensuring data privacy. However, in the field of FL, communication cost plays a critical…

Computer Vision and Pattern Recognition · Computer Science 2024-10-22 Yihang Wu , Christian Desrosiers , Ahmad Chaddad

Federated Learning (FL) in Deep Learning (DL)-automated medical image segmentation helps preserving privacy by enabling collaborative model training without sharing patient data. However, FL faces challenges with data heterogeneity among…

Image and Video Processing · Electrical Eng. & Systems 2024-08-22 Philip Schutte , Valentina Corbetta , Regina Beets-Tan , Wilson Silva

Deep learning models for radiology interpretation increasingly rely on multi-institutional data, yet privacy regulations and distribution shift across hospitals limit central data pooling. Federated learning (FL) allows hospitals to…

Machine Learning · Computer Science 2026-01-13 Anay Sinhal , Arpana Sinhal , Amit Sinhal

Machine learning in medical research, by nature, needs careful attention on obeying the regulations of data privacy, making it difficult to train a machine learning model over gathered data from different medical centers. Failure of…

Machine Learning · Computer Science 2021-10-19 Jun Luo , Shandong Wu

Federated learning (FL) can collaboratively train deep learning models using isolated patient data owned by different hospitals for various clinical applications, including medical image segmentation. However, a major problem of FL is its…

Image and Video Processing · Electrical Eng. & Systems 2023-05-24 Xuanang Xu , Hannah H. Deng , Tianyi Chen , Tianshu Kuang , Joshua C. Barber , Daeseung Kim , Jaime Gateno , James J. Xia , Pingkun Yan

Contrastive learning and self-supervised techniques have gained prevalence in computer vision for the past few years. It is essential for medical image analysis, which is often notorious for its lack of annotations. Most existing…

Image and Video Processing · Electrical Eng. & Systems 2022-03-07 Jun Li , Quan Quan , S. Kevin Zhou

Privacy and annotation bottlenecks are two major issues that profoundly affect the practicality of machine learning-based medical image analysis. Although significant progress has been made in these areas, these issues are not yet fully…

Computer Vision and Pattern Recognition · Computer Science 2023-03-13 Soumitri Chattopadhyay , Soham Ganguly , Sreejit Chaudhury , Sayan Nag , Samiran Chattopadhyay

Federated Learning (FL) is a distributed machine learning framework that trains accurate global models while preserving clients' privacy-sensitive data. However, most FL approaches assume that clients possess labeled data, which is often…

Machine Learning · Computer Science 2024-11-01 Seungjoo Lee , Thanh-Long V. Le , Jaemin Shin , Sung-Ju Lee

Pre-training a recognition model with contrastive learning on a large dataset of unlabeled data has shown great potential to boost the performance of a downstream task, e.g., image classification. However, in domains such as medical…

Computer Vision and Pattern Recognition · Computer Science 2021-08-24 Jizong Peng , Ping Wang , Chrisitian Desrosiers , Marco Pedersoli

Federated learning (FL) based magnetic resonance (MR) image reconstruction can facilitate learning valuable priors from multi-site institutions without violating patient's privacy for accelerating MR imaging. However, existing methods rely…

Image and Video Processing · Electrical Eng. & Systems 2023-05-11 Juan Zou , Cheng Li , Ruoyou Wu , Tingrui Pei , Hairong Zheng , Shanshan Wang

Federated learning (FL) has been introduced to the healthcare domain as a decentralized learning paradigm that allows multiple parties to train a model collaboratively without privacy leakage. However, most previous studies have assumed…

Computer Vision and Pattern Recognition · Computer Science 2023-08-28 Zhipeng Deng , Luyang Luo , Hao Chen

Deep learning (DL) has been increasingly applied in medical imaging, however, it requires large amounts of data, which raises many challenges related to data privacy, storage, and transfer. Federated learning (FL) is a training paradigm…

Computer Vision and Pattern Recognition · Computer Science 2025-10-09 Jan Fiszer , Dominika Ciupek , Maciej Malawski

Contrastive learning (CL) aims to learn useful representation without relying on expert annotations in the context of medical image segmentation. Existing approaches mainly contrast a single positive vector (i.e., an augmentation of the…

Computer Vision and Pattern Recognition · Computer Science 2022-03-08 Chenyu You , Ruihan Zhao , Lawrence Staib , James S. Duncan

Federated Learning (FL) is a collaborative learning method that enables decentralized model training while preserving data privacy. Despite its promise in medical imaging, recent FL methods are often sensitive to local factors such as…

Machine Learning · Computer Science 2025-07-29 Youngjoon Lee , Hyukjoon Lee , Jinu Gong , Yang Cao , Joonhyuk Kang

Federated learning (FL) is a distributed learning method that offers medical institutes the prospect of collaboration in a global model while preserving the privacy of their patients. Although most medical centers conduct similar medical…

Machine Learning · Computer Science 2022-07-08 Yousef Yeganeh , Azade Farshad , Johann Boschmann , Richard Gaus , Maximilian Frantzen , Nassir Navab