FedSIR detects noisy-label clients via spectral subspace consistency and relabels their samples using clean-client references, then trains with logit-adjusted loss and distillation to outperform prior FL noise-robust methods on benchmarks.
In this setting, three clients are identified as clean and used to construct the spectral reference model
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FedSIR: Spectral Client Identification and Relabeling for Federated Learning with Noisy Labels
FedSIR detects noisy-label clients via spectral subspace consistency and relabels their samples using clean-client references, then trains with logit-adjusted loss and distillation to outperform prior FL noise-robust methods on benchmarks.