Author

S. Hossain-McKenzie

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Preprint Aug 2026

GCA: Global Centroid Alignment in Federated Learning

Global Centroid Alignment (GCA), a latent-code-mediated FL protocol that coordinates clients without transmitting AE parameters or gradients, achieves extraction defense comparable to DP-FedAvg, remains effective when DP-FedAvg does not reduce target resemblance, and lowers per-round communication.

Jong-Ik Park, Harry H. Jiang, Logan Blakely et al. · 0 citations