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FedSC: Provable Federated Self-supervised Learning with Spectral Contrastive Objective over Non-i.i.d. Data
May 8, 2024, 4:41 a.m. | Shusen Jing, Anlan Yu, Shuai Zhang, Songyang Zhang
cs.LG updates on arXiv.org arxiv.org
Abstract: Recent efforts have been made to integrate self-supervised learning (SSL) with the framework of federated learning (FL). One unique challenge of federated self-supervised learning (FedSSL) is that the global objective of FedSSL usually does not equal the weighted sum of local SSL objectives. Consequently, conventional approaches, such as federated averaging (FedAvg), fail to precisely minimize the FedSSL global objective, often resulting in suboptimal performance, especially when data is non-i.i.d.. To fill this gap, we propose …
abstract arxiv challenge cs.lg data eess.sp equal federated learning framework global self-supervised learning ssl sum supervised learning type unique
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