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About this paper

Yichen Li, Xiuying Wang, Wenchao Xu, Haozhao Wang, Yining Qi, Jiahua Dong, Ruixuan Li

FedFD addresses model-heterogeneous federated learning by distilling client features, rather than only final class scores, into a server model. It groups features by architecture and aligns them with learned orthogonal projections before distillation. On CIFAR-10 with α=1.0 and client models “a-d-g,” the global model reaches 89.64±0.23% accuracy, above MOON-hetero’s 87.92±0.17%; evidence is limited to tested image-classification benchmarks.

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