StatMix: Data augmentation method that relies on image statistics in federated learning

• URL: http://arxiv.org/abs/2207.04103v1
• Date: Fri, 8 Jul 2022 19:02:41 GMT
• Title: StatMix: Data augmentation method that relies on image statistics in federated learning
• Authors: Dominik Lewy, Jacek Ma\'ndziuk, Maria Ganzha, Marcin Paprzycki
• Abstract summary: StatMix is an augmentation approach that uses image statistics to improve results of FL scenario(s) In all FL experiments, application of StatMix improves the average accuracy, compared to the baseline training (with no use of StatMix)
• Score: 0.27528170226206433
• License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
• Abstract: Availability of large amount of annotated data is one of the pillars of deep learning success. Although numerous big datasets have been made available for research, this is often not the case in real life applications (e.g. companies are not able to share data due to GDPR or concerns related to intellectual property rights protection). Federated learning (FL) is a potential solution to this problem, as it enables training a global model on data scattered across multiple nodes, without sharing local data itself. However, even FL methods pose a threat to data privacy, if not handled properly. Therefore, we propose StatMix, an augmentation approach that uses image statistics, to improve results of FL scenario(s). StatMix is empirically tested on CIFAR-10 and CIFAR-100, using two neural network architectures. In all FL experiments, application of StatMix improves the average accuracy, compared to the baseline training (with no use of StatMix). Some improvement can also be observed in non-FL setups.

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