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Evaluation and Analysis of Different Aggregation and Hyperparameter Selection Methods for Federated Brain Tumor Segmentation
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Date
2021-9-27
Author
Polat, Görkem
Işık Polat, Ece
Koçyiğit, Altan
Temizel, Alptekin
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Availability of large, diverse, and multi-national datasets is crucial for the development of effective and clinically applicable AI systems in the medical imaging domain. However, forming a global model by bringing these datasets together at a central location, comes along with various data privacy and ownership problems. To alleviate these problems, several recent studies focus on the federated learning paradigm, a distributed learning approach for decentralized data. Federated learning leverages all the available data without any need for sharing collaborators’ data with each other or collecting them on a central server. Studies show that federated learning can provide competitive performance with conventional central training, while having a good generalization capability. In this work, we have investigated several federated learning approaches on the brain tumor segmentation problem. We explore different strategies for faster convergence and better performance which can also work on strong Non-IID cases.
Subject Keywords
Federated Learning
,
Collaborative Learning
,
Brain Tumor
,
Segmentation
,
Medical Imaging
URI
http://www.brainlesion-workshop.org/
https://hdl.handle.net/11511/95182
Conference Name
Brain Lesion 2021 MICCAI Workshop
Collections
Graduate School of Informatics, Conference / Seminar
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G. Polat, E. Işık Polat, A. Koçyiğit, and A. Temizel, “Evaluation and Analysis of Different Aggregation and Hyperparameter Selection Methods for Federated Brain Tumor Segmentation,” presented at the Brain Lesion 2021 MICCAI Workshop, Strasbourg, Fransa, 2021, Accessed: 00, 2022. [Online]. Available: http://www.brainlesion-workshop.org/.