Paper gives federated DP optimization linear communication cost
The method uses DP rank selection, a DP power method, and a noisy low-rank covariance release under secure aggregation.
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Stories tagged #pca
FurE: Efficient Instance-Specific 3D Fur Reconstruction without Animal-Fur Datasets
FurE reconstructs editable animal fur strands from images without animal-fur datasets, about 10x faster.
Gap-free Differentially Private PCA for Gaussian Data
Researchers present a gap-free differentially private PCA algorithm for Gaussian data.
Learning with Covariance Matrices: Principal Component Analysis Meets Learning with Graphs
Theoretical tutorial establishes equivalence between covariance neural networks and PCA, with stability and transferability bounds and brain-age applications.